Answer:
max.600,000
min.595,000
Step-by-step explanation:
PLEASE HELP ME ASAP NEED THIS FOREAL!! picture shown below
help asap will give BRAINLIEST
a. < 2 and < 8
b. < 3 and < 7
c. < 2 and < 4
d. < 1 and < 8
The answer: d. < 1 and < 8
Eric uses 1 3/4 cups of granola for every 1/3 cup of chocolate chips when making a snack mix. Enter the number of
cups of granola Eric uses for 1 cup of chocolate chips
Answer:
Step-by-step explanation:
Set this up as a proportion with granola on the top and chocolate chips on the bottom:
[tex]\frac{g}{cc}:\frac{1.75}{\frac{1}{3} }=\frac{x}{1}[/tex] and cross multiply to solve for x:
1/3x = 1.75 Multiply both sides by 3 to get
x = 5.25
This means for every 1 cup of chocolate chips, he needs 5 1/4 cups of granola.
23.6-2×3÷2 what is the answer to this question
Answer:
20. 3
Step-by-step explanation:
23.6 - 2 × 3 ÷ 2 = 23.6 - 3
= 20.3
Find the value of x that makes A || B.
Answer:
x = 90.
Step-by-step explanation:
< 1 and < 4 are corresponding angles and are congruent if line a is parallel to line b. So:
3x - 160 = x + 20
2x = 180
x = 90.
HELP FAST PLS
What is the difference between the Pythagorean Theorem and its converse?
A. The Pythagorean Theorem states that the sum of the squares of the two shortest sides of a right triangle equals the square of the longest side. The converse of the Pythagorean Theorem states that the sum of the squares of the two shortest sides of a triangle that is not a right triangle does not equal the square of the longest side.
B. The Pythagorean Theorem states that the sum of the two shortest sides of a right triangle equals the square of the longest side. The converse of the Pythagorean Theorem states that the sum of the two shortest sides of a triangle that is not a right triangle does not equal the square of the longest side.
C. The Pythagorean Theorem states that the sum of the squares of the two shortest sides of a right triangle equals the square of the longest side. The converse of the Pythagorean Theorem states that if the sum of the squares of the two shortest sides of a triangle equals the square of the longest side, then the triangle is a right triangle.
D. The Pythagorean Theorem states that the sum of the two shortest sides of a right triangle equals the square of the longest side. The converse of the Pythagorean Theorem states that if the sum of the two shortest sides of a triangle equals the square of the longest side, then the triangle is a right triangle.
Answer:
The converse of the Pythagorean theorem states that if the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.
Answer:
its C basically
Step-by-step explanation:
Solve this system of linear equations. Separate
the x- and y-values with a comma.
- 14x = -1 - 9y
17x = 7 +9y
NEED HELP ASAP!!
Step-by-step explanation:
making x subject in eq 1
x= (-1-9y)/-14
substituting the value of x in eq 2
17(-1-9y/-14)=7+9y
(-17-153y)/-14=7+9y
-17-153y=-98-126y
-17+98=153y-126y
81=27y
y=3
substituting this value of y in eq 1
-14x=-1-9(3)
-14x=-28
x=2
(x,y) = (2,3)
What is the distributive property of 8(y-7)=-16
Step-by-step explanation:
[tex]\text{The distributive property:}\\\\a(b-c)=ab-ac\\\\8(y-7)=(8)(y)-(8)(7)=8y-56\\\\\text{If you want whole solution:}\\\\8(y-7)=-16\\8y-56=-16\qquad\text{add 56 to both sides}\\8y-56+56=-16+56\\8y=40\qquad\text{divide both sides by 8}\\\dfrac{8y}{8}=\dfrac{40}{8}\\\boxed{y=5}[/tex]
Answer:
y=5
Step-by-step explanation:
8(y-7)= -16
(8)y-(8)7= -16
8y-56= -16
-16+56= 40
40/8= 5
y=5
(when you get y by itself)
hoped this helped a little bit.
Please help me ASAP I really need help 15 points
Answer:
45,2316
Step-by-step explanation:
You have to move the numbers to their new respective places as told by the description of the new place
Given the following points, write the equation of the line that goes through them. ( -12,56), (0,8), and (8,-24).
Answer:
[tex]y=-4x+8[/tex]
Step-by-step explanation:
step 1
Find the slope
The formula to calculate the slope between two points is equal to
[tex]m=\frac{y2-y1}{x2-x1}[/tex]
take two points from the data
(0,8), and (8,-24).
substitute
[tex]m=\frac{-24-8}{8-0}[/tex]
[tex]m=\frac{-32}{8}[/tex]
[tex]m=-4[/tex]
step 2
Find the equation of he line in slope intercept form
[tex]y=mx+b[/tex]
we have
[tex]m=-4[/tex]
[tex]b=8[/tex] ----> the y-intercept is given
substitute
[tex]y=-4x+8[/tex]
Bank Card is charging 1.7% monthly interest on credit card charges. If you charged a $175 pair of running shoes on the card and did not pay it off this month, what would be the interest for the shoe charge?
$298
$5.96
$2.98
$23.84
Denzel is coming web sites for downloading music. One charges a 50 membershy lee plus
160.50 per song. Another Charges & 1.00 per song but has no membership fee. Write and solve an equation to find how many songs Denzel would have to buy to spend the same amount at both web site
Question is not proper, Proper question is given below.
Denzel is comparing websites for downloading music. One charges a $5 membership fee plus $0.50 per song. Another charges $1.00 per song, but has no membership fee. Write and solve an equation to find how many songs Denzel would have to buy to spend the same amount at both websites.
Answer:
Denzel would have to buy 10 songs to spend the same amount at both websites.
Step-by-step explanation:
Let the number of songs be 'x'.
Given:
One charges a $5 membership fee plus $0.50 per song.
So the total cost at one site will be membership cost plus charges per song multiplied by number of songs.
framing in equation form we get;
Total Cost at one site = [tex]5+0.5x[/tex]
Another website charges $1.00 per song, but has no membership fee.
So the total cost at Another site will be charges per song multiplied by number of songs.
framing in equation form we get;
Total Cost at Another site = [tex]1\times x=1x[/tex]
To find the number of songs that results in same cost we should equate the two expression and solve.
[tex]5+0.5x=x[/tex]
Combining like terms we get;
[tex]5 = x-0.5x\\\\5=0.5x[/tex]
Now Dividing both side by 0.5 we get;
[tex]\frac{0.5x}{0.5} = \frac{5}{0.5} \\\\x=10\ songs[/tex]
Hence Denzel would have to buy 10 songs to spend the same amount at both websites.
A square playground is surrounded by a sidewalk on all sides. The sidewalk is 2n+3 yards along each side. The sidewalk is 0.5 yard wide. What is the perimeter of the playground? Write two equivalent expressions for the perimeter of the playground.
Final answer:
The perimeter of the square playground can be found by adding the lengths of all four sides. Two equivalent expressions for the perimeter are 8n + 8 and 4(2n + 2).
Explanation:
To find the perimeter of the playground, we need to add up the lengths of all four sides. Since the playground is a square, all four sides are equal in length.
The length of each side of the playground can be found by subtracting twice the width of the sidewalk from the overall length of the sidewalk. This is because the sidewalk wraps around the playground on all sides.
So, the length of each side of the playground is (2n+3) - 2(0.5) = 2n + 2.
The perimeter of the playground is then 4 times the length of each side, which is 4(2n + 2) = 8n + 8 yards.
Two equivalent expressions for the perimeter of the playground are 8n + 8 and 4(2n + 2).
Rewrite as a simplified fraction.
0.67 where 7 repeats forever
Answer:
[tex]\frac{61}{90}[/tex]
Step-by-step explanation:
We require to create 2 equations with the repeated value 7 after the decimal point
Let x = 0.6777777... ← multiply both sides by 10 and 100
10x = 6.777...... → (1)
100x = 67.777..... → (2)
Subtract (1) from (2) thus eliminating the repeating value
90x = 61 ( divide both sides by 60 )
x = [tex]\frac{61}{90}[/tex]
The decimal 0.67 with the repeating 7 can be written as the simplified fraction 2/3.
Rewriting as a simplified fraction 0.67 where 7 repeats foreverTo rewrite the decimal 0.67 with the repeating 7 as a simplified fraction, we can use the concept of infinite geometric series.
Let x = 0.677777...
Multiply both sides of the equation by 10 to shift the decimal point:
10x = 6.777777...
Now, subtract the original equation from the shifted equation to eliminate the repeating 7s:
10x - x = 6.777777... - 0.677777...
Simplifying, we get:
9x = 6
Divide both sides of the equation by 9 to solve for x:
x = 6/9
The fraction 6/9 can be further simplified by dividing both the numerator and denominator by their greatest common divisor, which is 3:
x = (6/3) / (9/3)
x = 2/3
Therefore, the decimal 0.67 with the repeating 7 can be written as the simplified fraction 2/3.
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A circular oil spill continues to increase in size. The radius of the oil spill, in miles, is given by the function r(t) = 0.5 + 2t, where t is the time in hours. The area of the circular region is given by the function A(r) = πr2, where r is the radius of the circle at time t.
Explain how to write a composite function to find the area of the region at time t.
Answer:
The area at time t is given by [tex]A(t) =\pi (4t^2+2t+0.25).[/tex]
Step-by-step explanation:
We know the radius [tex]r(t)[/tex] of the oil spill as a function of time, and we know the area [tex]A(r)[/tex] as a function of radius, and we want the area at time t. In other words we are looking for area as a function of time [tex]A(t)[/tex]
We find [tex]A(t)[/tex] by putting [tex]r(t)[/tex] into [tex]A(r)[/tex] as a substitute to r:
[tex]A(t) = A(r(t))= \pi r(t)^2 =\pi (0.5 + 2t)^2={\pi (4t^2+2t+0.25).}[/tex]
[tex]\boxed{A(t) =\pi (4t^2+2t+0.25).}[/tex]
Which is our answer.
To find the composite function for the area of the oil spill over time, replace 'r' in A(r) = πr2 with the function r(t). The function becomes A(t) = π(0.5 + 2t)2.
Explanation:In order to find the function that represents the area of the oil spill over time, we need to write a composite function. This means we plug the function r(t) into A(r). Since r(t) = 0.5 + 2t, you can replace every instance of 'r' in A(r) = πr2 with (0.5 + 2t) to get the area as a function of time 't'. So, the composite function becomes A(t) = π(0.5 + 2t)2. Now we have a composite function that represents the area of the oil spill, denoted by A(t), as a function of time. The function is: A(t) = π(0.5 + 2t)2.
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You decide to put $2,000 in a savings account to save for a $3,000 downpayment on a new car. If the account has an interest rate of 4% per year and is compounded monthly, how long does it take until you have $3,000 without depositing any additional funds?
121.862 years
12.1862 years
10.155 years
1.0155 years
It takes 10.155 years until you have $3,000 ⇒ 3rd
Step-by-step explanation:
The formula for compound interest, including principal sum is:
[tex]A=P(1+\frac{r}{n})^{nt}[/tex] , where
A is the future value of the investment/loan, including interestP is the principal investment amount r is the annual interest rate (decimal)n is the number of times that interest is compounded per unit tt is the time the money is invested or borrowed for∵ You decide to put $2,000 in a savings account
∴ P = 2000
∵ You want to save for $3,000
∴ A = 3000
∵ The account has an interest rate of 4% per year and is
compounded monthly
∴ r = 4% = 4 ÷ 100 = 0.04
∴ n = 12 ⇒ compounded monthly
- Substitute all of these values in the formula above to find t
∵ [tex]3000=2000(1+\frac{0.04}{12})^{12t}[/tex]
- Divide both sides by 2000
∴ [tex]1.5=(1+\frac{1}{300})^{12t}[/tex]
∴ [tex]1.5=(1\frac{1}{300})^{12t}[/tex]
- Change the mixed number to an improper fraction
∴ [tex](1.5)=(\frac{301}{300})^{12t}[/tex]
- Insert ㏒ for both sides
∴ [tex]log(1.5)=log(\frac{301}{300})^{12t}[/tex]
- Remember [tex]log(a)^{n}=nlog(a)[/tex]
∴ [tex]log(1.5)=(12t)log(\frac{301}{300})[/tex]
- Divide both sides by [tex]log(\frac{301}{300})[/tex]
∴ 121.84 = 12 t
- Divide both sides by 12
∴ 10.155 = t
It takes 10.155 years until you have $3,000
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Susie works out in the gym three times a week. Her heartbeat
increased to 94 beats per minute during one workout. If she
maintained this rate for 25 minutes, how many times did her heart
beat during the 25-minute workout?
Answer:
Step-by-step explanation:
94 beats per minute during one workout.
If the rate was maintained for 25 minutes, the heart beats = 94×25
= 2350 beats
Help?
Would the answer for this be (-9,3) or (3,9) or (9,-3) or (-9,-3)???
Answer:
(-9, 3)
Step-by-step explanation:
To rotate a point 270°:
R₂₇₀ (x, y) = (y, -x)
So the answer would be (-9, 3).
Manny has 48 feet of wood. He wants to use all of it to create a border around a garden. The equation 2 l plus 2 w equals 48 can be used to find the length and width of the garden, where l is the length and w is the width of the garden. If Manny makes the garden 15 feet long, how wide should the garden be?
9 feet
18 feet
30 feet
33 feet
Answer:
The Width of the garden will be 9 feet.
Step-by-step explanation:
Given:
Manny has wood =48 feet
Length of the garden = 15 feet
The equation which can be used [tex](2l+2w) = 48[/tex].
We need to find the width of the garden.
Solution :
Now Length of the garden is given we will substitute in the given equation to find the width.
[tex]2l+2w=48\\\\2\times15+2w=48\\\\30+2w=48[/tex]
Now Using Subtraction property we will subtract both side by 30 we get;
[tex]30+2w-30=48-30\\\\2w =18[/tex]
Now Using Division Property we will divide both side by 2 we get;
[tex]\frac{2w}{2}=\frac{18}{2}\\\\w= 9\ ft[/tex]
Hence the Width of the garden will be 9 feet.
Answer:
its A 9 ft
Step-by-step explanation:
i know things...
Given AFGH is a cyclic quadrilateral, find the value below:
Answer:
238°
Step-by-step explanation:
In a cyclic quadrilateral, the pair of opposite angles add up to 180 degrees.
So, the angle "21x - 2" and the angle "38x + 5" add up to 180.
So, we can write an equation and solve for x first:
[tex]21x-2+38x+5=180\\59x+3=180\\59x=180-3\\59x=177\\x=3[/tex]
x = 3
Now, Arc FGH is DOUBLE of Angle A. Angle A is "38x + 5". We know x, so angle A is:
Angle A = 38x + 5 = 38(3) + 5 = 119
Thus, Arc FGH = 2 * 119 = 238°
Are the numbers (2,3)(1,5)(2,7) a function ?
Firstly they are not numbers, they are ordered pairs or points with a form [tex](x,f(x))[/tex] yes they probably lie on a function graph but that would be rather impossible to find out. The function may be linear, exponential, logarithmic etc. we can't tell. All we can tell is that if these ordered pairs [tex]P_{1,2,3}[/tex] lie on a function graph [tex]P_{1,2,3}\in G_f[/tex] where [tex]G_f=\{(x,f(x)):\forall x\in D_f\wedge f(x)\in T_f\}[/tex] where D is definition set of function defined x's and T a transformation set of f(x)'s for this function. So yes they may lie on some lambda function but they themselves are nothing but an ordered pairs with no meaningful connection.
Hope this helps.
Answer:
no
Step-by-step explanation:
there are two coordinates with the same x value
In the diagram m ∠ 3 = x + 30 and m ∠ 4 = 2x - 80. What is the measure of angle 3?
50
80
110
140
Answer:
140 degrees
Step-by-step explanation:
Due to ∠3 and ∠4 being vertical angles (they are across from one another) their measures are the same, therefore:
⇒ m∠3=m∠4
and since their measures are given in terms of x to find x just substitute:
⇒ x+30=2x-80 ⇒ x=110
We substitute x in m∠3=x+30 and find that m∠3=140 degrees
Answer:
The answer is 140 i just did the lesson
Step-by-step explanation:
PLZ HELP ME!!!!! I will give u 5 stars and a thank u. and i will friend u.
( I DO NOT NEED HELP ON PART ONE JUST ON PART TWO I PUT PART ONE IN TO HELP YOU ANSWER PART TWO)
It cost $0.50 to download an individual song and $4 to downlad an album. Jada has $15 to spend downloading music.
PART ONE:
EXAMPLE: individual songs, numbers of albums...
6,3
22,1
30,0
PART 2:
Create a graph to show a visual representation of the solutions for the answers to the problem above. With albums as the y axis and songs on the x axis. Upload a photo of your graph and with a short summary for your explanantion.
Answer:
Graph is attached below.
The graph illustrates the music that Jada may have downloaded with the $15 (s)he spent. The x-axis represents the number songs and the y-axis represents the number of albums. The data shows what combination of music she may have downloaded. The number of songs and albums have a negative correlation because if more money is spent on one variable, there is less money available to spend on the other.
Step-by-step explanation:
How to create a graph:
Using the data from part 1, plot the points (6, 3) (22, 1) and (30, 0) onto the graph. Label the x and y axis as the question asks. The axis should have arrows at the end. Include a title for the graph.
Do not connect the points because this indicates that all the space between the points are possible. Connecting the points includes decimal numbers and you can't buy part of a song or album, only a whole song or album.
if 10 custom engraved pens cost $100, how much will 8 of the same pens cost?
Answer:
They will cost $80.
Step-by-step explanation:
First, find the out how much 1 pen cost(unit rate).
To do that, divide 100 by 10.
100÷10= 10
So, each pen cost $10.
Now, multiply the cost of 1 pen times 8.
10×8= 80
This concludes that 8 of the same pens cost $80.
Julia exercises at the gym. For every 333 minutes she spends running, she spends 555 minutes lifting weights.
Question is Incomplete, Complete question is given below.
Julia exercises at the gym. For every 3 minutes she spends running, she spends 5 minutes lifting weights.
Which of the following could be how Julia spends time at the gym?
A Run for 10 mins and lifting weights for 12 mins.
B Run for 15 minutes and lift weights for 25 mins.
C Run for 20 mins and lift weights for 30 mins.
D Run for 24 mins and lift weights for 48 mins.
E Run for 30 mins and lift weights for 50 mins.
Answer:
B Run for 15 minutes and lift weights for 25 mins.
E Run for 30 mins and lift weights for 50 mins.
Step-by-step explanation:
Given:
Julia Spend s 3 minute for running and weight lifts for 5 mins.
We need to find which choices are correct match for the given data.
Hence we will check each.
A Run for 10 mins and lifting weights for 12 mins.
Since given that she runs for 3 mins and in the above choice the given date is she is running for 10 mins it is neither 3 nor multiple of 3.
Hence this is Choice is Incorrect.
B Run for 15 minutes and lift weights for 25 mins.
Now Given in choice is that she runs for 15 minutes and in given data she runs for 3 minutes hence 15 is multiple of 3 and is multiplied by 5 also given lift weights for 25 mins and in given data she lift weights for 5 mins since 25 is multiple of 5 and is multiplied by 5.
Hence the above Choice is Correct.
C Run for 20 mins and lift weights for 30 mins.
Since given that she runs for 3 mins and in the above choice the given date is she is running for 20 mins it is neither 3 nor multiple of 3.
Hence this is Choice is Incorrect.
D Run for 24 mins and lift weights for 48 mins.
Now Given in choice is that she runs for 24 minutes and in given data she runs for 3 minutes hence 24 is multiple of 3 and is multiplied by 8 also given lift weights for 48 mins and in given data she lift weights for 5 mins and 48 is not the multiple of 5.
Hence this is Choice is Incorrect.
E Run for 30 mins and lift weights for 50 mins.
Now Given in choice is that she runs for 30 minutes and in given data she runs for 3 minutes hence 30 is multiple of 3 and is multiplied by 10 also given lift weights for 50 mins and in given data she lift weights for 5 mins since 50 is multiple of 5 and is multiplied by 10.
Hence the above Choice is Correct.
What is the remainder of 28,254 divided by 52?
Answer:
18
Step-by-step explanation:
Finding the remainder of 28254 divided by 52.
Steps1. Use calculator to divide 28254 by 52:
28254/52= 543.346...2. Take whole part of the quotient and multiply by divisor:
543*52= 282363. Subtract this number from the initial dividend:
28254 - 28236 = 18This is the remainder: 18
Final answer:
The remainder when 28,254 is divided by 52 is 9. This is found by dividing the number step by step until no more digits can be brought down, leaving the remainder.
Explanation:
The student is asking for the remainder when 28,254 is divided by 52. To solve this, we perform the division process until we reach a point where we cannot divide any further without going into decimals. The number that is left over at this point is the remainder. Below is a step-by-step explanation of the process.
Begin dividing 28,254 by 52.52 goes into 282 five times (since 52 x 5 = 260), with a remainder of 22.Bring down the next digit, 4, to make 224.52 goes into 224 four times (since 52 x 4 = 208), with a remainder of 16.Bring down the final digit, 5, to make 165.52 goes into 165 three times (since 52 x 3 = 156), with a remainder of 9.Since there are no more digits to bring down, we have our final remainder.The remainder when 28,254 is divided by 52 is 9.
URGANT NEEDED RIGHT NOW MUCH APPRECIATED:
A fair spinner has 9 equal sections: 3 red, 4 blue and 2 green.
It is spun twice.
What is the probability of getting blue both times?
Answer:
Probability of getting blue both times = [tex]\frac{16}{81}[/tex]
Step-by-step explanation:
A fair spinner has 9 equal sections: 3 red, 4 blue and 2 green.
It is spun twice.
We have to find the probability of getting blue both times?.
For both times , the probability of getting blue is the same.
Probability = [tex]\frac{number of favorable cases}{total number of cases}[/tex]
The number of favorable cases for blue = 4
Total number of cases = 9
Hence the probability = [tex]\frac{4}{9}[/tex]
We have to get it two times so final probability = [tex]\frac{4}{9}\times \frac{4}{9} = \frac{16}{81}[/tex]
Find domain of the function (f/g)(x), given f(x)=x^2-3x-18 and g(x)=x^2-36
Answer:
[tex]\displaystyle \mathbb{R}-\left \{ -6,\ 6 \right \}[/tex]
Step-by-step explanation:
Domain of Functions
Given a function h(x), we call the domain of h, all the values x can take so h exists. It's commonly easier to find the values of x for which h does NOT exist and then exclude them from the general domain of the real numbers.
The question provides us with the following functions
[tex]\displaystyle f(x)=x^2-3x-18[/tex]
[tex]\displaystyle g(x)=x^2-36[/tex]
[tex]\displaystyle h(x)=\frac{x^2-3x-18}{x^2-36}[/tex]
We called h(x) to the newly created function f/g(x)
To investigate the possible points of nonexistence for h, we factor h(x)
[tex]\displaystyle h(x)=\frac{(x-6)(x+3)}{(x-6)(x+6)}[/tex]
We can clearly see the denominator has two zeros at
[tex]\displaystyle x=6,\ x=-6[/tex]
A rational function cannot exist where the denominator is zero, regardless of the possible simplification with the numerator, as in this case. For example, for x=6 the function gets the value 0/0 and it's not defined there. We cannot simplify the common factor because they are part of the original function.
So, the domain of h is
[tex]\displaystyle (-\infty,\ -6 )\bigcup (-6,\ 6)\bigcup (6,+\infty )[/tex]
Or equivalently
[tex]\displaystyle \mathbb{R}-\left \{ -6,\ 6 \right \}[/tex]
The domain of the function (f/g)(x), given f(x)=x^2-3x-18 and g(x)=x^2-36, is all real numbers except x = 6 and x = -6. This is because we can't have g(x) equals to zero in (f/g)(x). Hence the domain is (-∞, -6) U (-6, 6) U (6, ∞).
Explanation:In Mathematics, when dealing with the domain of the function (f/g)(x) it is important to understand that the domain is the set of all possible x values that we can input into the function. For the function (f/g)(x), given f(x)=x^2-3x-18 and g(x)=x^2-36, the denominator g(x) cannot be zero as this would mean dividing by zero, which is undefined in Mathematics. So we need to find the values of x for which g(x) ≠ 0. To do this, we set g(x) equal to zero and solve for x. So, x^2-36=0. Simplifying this, we get (x+6)(x-6) = 0. Hence the roots of the equation are x = 6, x = -6.
These are the values for which g(x) will become zero. Since we can't have g(x)=0 in (f/g)(x), the domain of the function (f/g)(x) is all real numbers except x = 6, x = -6. So, the domain of (f/g)(x) is (-∞, -6) U (-6, 6) U (6, ∞).
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the average annual income, /, in dollars, of a lawyer with an age of x years is modeled with with the following function: I=-425x^2+45,500x-650,000 what is the youngest age for which the average income of a lawyer is $250,000?
Answer:
26 years of age.
Step-by-step explanation:
The average annual income, I, in dollars, of a lawyer with an age of x years is modeled with with the following function:
I = - 425x² + 45500x - 650000 .......... (1)
If the average annual income of the lawyer at the age of x years is $250000, then from the equation (1) we can write
- 425x² + 45500x - 650000 = 250000
⇒ - 425x² + 45500x - 900000 = 0
⇒ - 17x² + 1820x - 36000 = 0
Now, using the quadratic formula,
[tex]x = \frac{- 1820 \pm \sqrt{(1820)^{2} - 4(-17)(- 36000) } }{2(- 17)} = \frac{-1820 + 929.73}{- 34} = 26[/tex] years (Approximate)
{We have neglected the other root as we need the youngest age}(Answer)
Answer: 27
Step-by-step explanation:
Other answer is wrong
Brent has a shopping bag with 8 similar size containers of yogurt: 2 strawberry, 3 cherry, and 3 raspberry. If he randomly takes 2 yogurt containers from the bag
without replacement, what is the probability that neither will be strawberry yogurt?
Answer:[tex]\frac{15}{28}[/tex]
Step-by-step explanation:
Number of strawberry = 2
Number of cherry = 3
Number of = 3
Total number = 8
Brent randomly takes 2 yogurt containers from the bag
without replacement ,we are to find the probability that hat neither will be strawberry yogurt.
Let r represent raspberry and c represents Cherry ,then Bent selection could be :
{ rr , cc , rc , cr}
Calculating this , we have
([tex]\frac{3}{8}[/tex] x [tex]\frac{2}{7}[/tex] ) + ([tex]\frac{3}{8}[/tex] x [tex]\frac{2}{7}[/tex] ) + ([tex]\frac{3}{8}[/tex] x [tex]\frac{3}{7}[/tex] ) + ([tex]\frac{3}{8}[/tex] x [tex]\frac{3}{7}[/tex] )
= [tex]\frac{30}{56}[/tex]
= 15/28
Therefore , the probability that neither will be strawberry yogurt= 15/28