Take -4 + 3a 2 from 7a - a 2

Answers

Answer 1
the answer would be from -a²+4a+4 this is the combined form

then to simplify this to get 2

to simpify you must move all terms to the left side,then set equal to 0 then set each factor to equal zero


Answer 2

Subtracting [tex]\( -4 + 3a^2 \)[/tex] from [tex]\( 7a - a^2 \)[/tex] yields [tex]\( 7a - 3a^2 + 4 - a^2 \)[/tex], after distributing the subtraction and combining like terms.

To subtract [tex]\( -4 + 3a^2 \)[/tex] from [tex]\( 7a - a^2 \)[/tex], we need to distribute the subtraction across both terms in [tex]\( 7a - a^2 \)[/tex] and then combine like terms:

[tex]\[ (7a - a^2) - (-4 + 3a^2) \][/tex]

Distributing the subtraction:

[tex]\[ 7a - a^2 + 4 - 3a^2 \][/tex]

Now, combine like terms:

[tex]\[ (7a - 3a^2) + (4 - a^2) \][/tex]

So, the result of subtracting [tex]\( -4 + 3a^2 \)[/tex] from [tex]\( 7a - a^2 \)[/tex] is [tex]\( 7a - 3a^2 + 4 - a^2 \)[/tex].

Comlpete Question:

Take [tex]\( -4 + 3a^2 \)[/tex] from [tex]\( 7a - a^2 \)[/tex]


Related Questions

a group of 10 people ran an average of 2.7 miles in one week. if the first 4 people in the group averaged 3 miles, what did the last 6 people average

Answers

In this question, 10 people average running distance is 2.7miles. Then the sum of their running distance would be: 10 people * 2.7 miles/people= 27 miles.

The group then divided into 2, 4 people with 3 miles average and 6 people with unknown average. Since the people are same like the 10 people group, their total running distance would be the same. The calculation would be:

total distance = group1 * average1 + group2 * average2
27 miles= 4 people * 3 miles/people + 6 people* average2
6 people * average2 = 27 miles -12 miles = 15 miles
average2= 15 miles/6people= 2.5 miles/people

y+6x=11; x= -1, 0, 4

solve the equation for y then find the value of y for each value of x

Answers

y+6(-1)=11, y+(-6)=11, y=17

y+6(0)= 11, y= 11


y+6(4)= 11, y+24= 11, y= -13

That's all I got. Hope its helpful
minus 6x from both sides

y=-6x+11

ok, so when x=-1
y=-6(x)+11
y=-6(-1)+11
y=6+11
y=17
when x=-1, y=17

when x=0
y=-6(0)+11
y=-6(0)+11
y=0+11
y=11
when x=0, y=11

when x=4
y=-6(x)+11
y=-6(4)+11
y=-24+11
y=-13
when x=4, y=-13

Angle A and angle B are supplementary. The measure of angle A is 4 less than 7 times the measure of angle B. Find the measure of A and B.

Answers

A = 157, B = 23 The definition of supplementary angles is that they add up to 180 degrees. So A+B = 180. And A = 7B - 4. So write down the formula A + B = 180 Substitute the formula for A in terms of B 7B - 4 + B = 180 Combine terms 8B - 4 = 180 Add 4 to both sides 8B = 184 Divide both sides by 8 B = 23 Now calculate A in terms of B A = 7B - 4 A = 7 * 23 - 4 = 161 - 4 = 157 Verify that A and B add up to 180 157 + 23 = 180

I have 3 pieces of candy to place in 4 lunch boxes. In how many ways can I do this if: (a) The candies are all the same and the lunch boxes are all different? (b) The candies are all different and the lunch boxes are all the same? (c) Exactly two of the candies are the same (but the third is different) and all of the lunch boxes are different? Please explain your work IN DETAIL. Thanks!

Answers

It would be impossible because u don't have 3
The answer to this question is:

I have 3 pieces of candy to place in 4 lunch boxes. In how many ways can I do this if: (a) The candies are all the same and the lunch boxes are all different? (b) The candies are all different and the lunch boxes are all the same? (c) Exactly two of the candies are the same (but the third is different) and all of the lunch boxes are different? Please explain your work IN DETAIL. Thanks!?.

A).4^3 = 64 

B).(3+4-1)C3 = 6c3 = 20 

C).3c3 +3c2 + 3c1 = 7 

The last Question). 4!/2! ways = 4+24+12 = 40 ways 

Hoped This Helped Alialbaghdadi6
Your Welcome :) 

How to determine the domain and range of a rational function?

Answers

The domain is essentially what x can equal, so unless there's a square root (where x has to be positive as anything squared is positive) or division (in division, the denominator can't be 0) you should be good for the most part. For the range, it's what y (the output) can equal, so I'd suggest getting the domain then figuring out what the highest and lowest y points are (as well as if y can't be anything)

Oliver is working on a puzzle of the Eiffel Tower. The tower in the puzzle is 28.5 in. tall. The packaging lists the scale as 1:415. What is the height of the actual Eiffel tower to the nearest foot?

Answers

In the puzzle 1 is equivalent to 415 in reality.

If you have 28.5 in tall, you need to multiply by 415

( 28.5 in ) ( 415 ) = 11827.5 in 

The heigh of the actual eiffel tower is: 11827.5 in

1 foot = 12 in.

11827.5 in / 12 in = 985.625 ft   

The heigh of the actual eiffel tower is: 986 ft


Find the area of the figure.
*50 ft2
*41 ft2
*42 ft2
*38 ft2

Answers

the answer is 38 ft2. Make it into to rectangles. One 2 by 4 ad the other 3 by 10


We start by splitting the shape into two rectangles as shown in the diagram below:

Area of shape A = 10' × 3' = 30'
Area of shape B = 6' × 2' = 12'

Total area = 30' + 12' = 42'

The table shows the annual profits (in thousands of dollars) of a county fair from 2008 to 2012. What must the 2012 profit be (in hundreds of dollars) to break even over the five-year period?

Answers

Answer:

In year 2012, 0.45 thousands dollars will bring the break even for the company.

Step-by-step explanation:

The table shows the annual profits of a county fair from 2008 to 2012.

We have to calculate the profit in 2012 to get the break even over the five year period.

Total profit in four years = profit in year (2008 + 2009) = 2.5 + 1.75 = 4.25 thousand dollars

Total loss in four years = loss in year (2010 + 2011) = 3.3 + 1.4 = 4.7 thousand dollars

Net profit or loss = Net profit - net loss = 4.25 - 4.7 = -0.45

There is a net loss of 0.45 thousand dollars.

If we get a profit of 0.45 thousand dollars in year 2012, we will be in the situation of no profit and no loss (break even).

Therefore, profit of 0.45 thousands of dollars is the answer.

Seven years ago, kodi found a box of old baseball cards in the garage. since then, he has added a consistent number of cards to the collection each year. he had 52 cards in the collection after 3 years and now has 108 cards. kodi looking into his box of baseball cards. how many cards were in the original box? is this t(0) or t(1)? write the first few terms of the sequence. kodi plans to keep the collection for a long time. how many cards will the collection contain 10 years from now? write an equation that determines the number of cards in the collection after n years. what does each number in your rule represent?

Answers

(3,52)(7,108)
slope = (108 - 52) / (7 - 3) = 56/4 = 14

y = mx + b
slope(m) = 14
(3,52)...x = 3 and y = 52
sub and find b, the y int (the original amount of cards)
52 = 3(14) + b
52 = 42 + b
52 - 42 = b
10 = b

so ur equation is y = 14x + 10....with x being the number of years and y being the total cards. <== ur equation is y = 14x + 10

He started with 10 cards....and has been adding 14 cards every year.

so after 10 years...
y = 14(10) + 10
y = 140 + 10
y = 150 <== after 10 years, he will have 150 cards

The required equation is y = 14x + 10 which is the number of cards in the collection and he will have 150 cards after 10 years

What is the slope of the line?

The slope of the line is defined as the gradient of the line. It is denoted by m

Slope m = (y₂ - y₁)/(x₂ -x₁ )

As per the question, we take the two points are (3,52) (7,108)

So slope = (108 - 52) / (7 - 3) = 56/4 = 14

y = mx + b

slope(m) = 14

Substitute the value of x = 3 and y = 52 in the equation

52 = 3(14) + b

52 = 42 + b

52 - 42 = b

10 = b

So the original amount of cards is 10

If x represents the number of years, while y is the total number of cards.

y = 14x + 10

He began with 10 cards and has added 14 cards every year thereafter.

So after 10 years

y = 14(10) + 10

y = 140 + 10

y = 150

Therefore, he will have 150 cards after 10 years

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How many times as heavy is the Golden Eagle as the Red Tailed Hawk? The Golden Eagle weighs 13 9/10 lbs and the red tailed hawk weighs 3 1/2 lbs?

Answers

In order to figure out the ration of the Golden Eagle to the Red Tailed Hawk you would need to convert their numbers a decimal. In this case you would convert 13 9/10lbs to 13.9 and 3 1/2lbs to 3.5. So now you would divide 13.9 by 3.5 and you get 3.9. So in other words you could have 3.9 Red Tailed Hawks to make one Golden Eagle. So the Golden Eagle is 3.9 times heavier than the Red Tailed Hawk.
Final answer:

The Golden Eagle, weighing 13.9 lbs, is approximately 4 times as heavy as the Red Tailed Hawk, which weighs 3.5 lbs.

Explanation:

To find out how many times as heavy the Golden Eagle is compared to the Red Tailed Hawk, we need to divide the weight of the Golden Eagle by the weight of the Red Tailed Hawk. The Golden Eagle weighs 13 9/10 lbs, which can be converted into an improper fraction as 139/10 or a decimal as 13.9 lbs. The Red Tailed Hawk weighs 3 1/2 lbs, which can be converted into an improper fraction as 7/2 or a decimal as 3.5 lbs.

To perform the division, we'll use the decimal form of the weights:

Golden Eagle: 13.9 lbsRed Tailed Hawk: 3.5 lbs

Dividing the Golden Eagle's weight by the Red Tailed Hawk's weight:

13.9 lbs ÷ 3.5 lbs = 3.9714 (approximately)

So, the Golden Eagle is approximately 4 times as heavy as the Red Tailed Hawk.

is someone can help me please please i will give 20 points please

Answers

With an inverse function, we essentially solve for x and then switch f(x) (which can be called y) with x. For y=x/8-7, we add 7 to both sides to get y+7=x/8. Multiplying both sides by 8, we get 8*(y+7)=x. Switching y and x, we get 8*(x+7)=y. This is shown as the third option.

For y=20-0.25x, we can subtract 20 from both sides to get y-20=-0.25x. Next, we can multiply both sides by -1 to get 0.25x=-y+20=20-y. Multiplying both sides by 4 (since 1/4=0.25 and we want to find x), we get x=4(20-y). Switching x and y, we get y=4(20-x), which is the first option. I challenge you to do the other two based off of the techniques I used!

I need help with #12. I have to show work too.

Answers

Answer: SR is 69 units long.

------------------------------------------------------------
------------------------------------------------------------

Explanation/Work Shown:

SR is the distance from R to S (or S to R; order doesn't matter). In other words, it's the length of segment SR. In this case, SR = 7x-8 for now. Your teacher wants you to find a numeric value for SR. To do that, we need to find x first.

ST is a similar story: it's the length of segment ST. In this case, ST is the algebraic expression 3x-5. 
Finally, RT = 8x+9

So far we have these three equations:
SR = 7x-8
ST = 3x-5
RT = 8x+9

Because SR and ST combine to form RT (and because S is on line RT), this means we can say
SR + ST = RT
by the segment addition postulate

Let's plug in the equations found earlier to get...
SR + ST = RT
(7x-8) + ST = RT ... replace SR with 7x-8
(7x-8) + (3x-5) = RT ... replace ST with 3x-5
(7x-8) + (3x-5) = 8x+9 ... replace RT with 8x+9

Now let's solve for x
(7x-8) + (3x-5) = 8x+9
7x-8 + 3x-5 = 8x+9
(7x+3x)+(-8-5) = 8x+9
10x-13 = 8x+9
10x-13+13 = 8x+9+13 ... add 13 to both sides
10x = 8x+22
10x-8x = 8x+22-8x ... subtrat 8x from both sides
2x = 22
2x/2 = 22/2 ... divide both sides by 2
x = 11

Now that we know x, we can find the length of SR
SR = 7x-8
SR = 7*x-8
SR = 7*11-8 ... replace x with 11 (since x = 11)
SR = 77-8
SR = 69

Why does the slope formula not work for vertical lines?

Answers

because vetical lines have a 0 slope, a vertical line looks like
 
x=7   

Rae earns $60 for playing music on saturday nights at the local coffee house. she makes an average of $5.25 in tips per hour. write the function of rae's earnings, and solve for how much she would make after 4 hours. y = 5.25x + 60; $65.25 y = 60x + 5.25; $85.75 y = 5.25x + 60; $81.00 y = 60x + 5.25; $185.25

Answers

Okay. So for this equation, she would make $60, plus $5.25 in tips each hour. So for this, she would get $60 + 5.25h. Plug in 4 hours, and she would make $21 off of tips, plus the $60, which brings her up to $81 total. The answer is C.

There are 3 consecutive integers with a sum of 69. what are they?

Answers

The integers can be represented by x, x+1 and x+2

x+x+1+x+2=69
3x+3=69
3x=66
x=22

Final answer, 22+23+24

What is the value of m?
1
_m =12-m
3

Answers

[tex]\bf \cfrac{1}{3}m=12-m\impliedby \textit{now, if we multiply both sides by }3 \\\\\\ \boxed{3}\cdot \cfrac{1}{3}m=\boxed{3}\cdot 12-\boxed{3}\cdot m\implies m=36-3m\implies 4m=36 \\\\\\ m=\cfrac{36}{4}\implies m=9[/tex]

The volume of a rectangular box is 2160 in cubes. It is 10 in. wide and 18 in. long. What is the height of the box?

Answers

height=voulme/length and width 
2160/18*10=12
12=height

34 days to 2 weeks the ratio is

Answers

Work: 34 days to 2 weeks ratio
34 days to 2×7 =14 days
34:14
Simplify
17:7
Answer: 17:7

The ratio of 34 days to 2 weeks is [tex]\(\frac{34}{2 \times 7}\)[/tex].

To find the ratio of 34 days to 2 weeks, we first need to convert 2 weeks into days, since there are 7 days in a week. Therefore, 2 weeks is equivalent to [tex]\(2 \times 7\)[/tex] days, which is 14 days.

Now, we can set up the ratio of 34 days to 14 days (2 weeks):

[tex]\[ \text{Ratio} = \frac{34 \text{ days}}{14 \text{ days}} \][/tex]

To simplify this ratio, we can divide both the numerator and the denominator by their greatest common divisor (GCD). The GCD of 34 and 14 is 2.

Dividing both by 2, we get:

[tex]\[ \text{Ratio} = \frac{34 \div 2}{14 \div 2} = \frac{17}{7} \][/tex]

So, the simplified ratio of 34 days to 2 weeks is [tex]\(17:7\) or \(\frac{17}{7}\)[/tex].

What types of triangles can have an obtuse angle?

Scalene
Right
Acute
Isosceles

Answers

Scalene = yes it is possible (example: 105 degrees, 5 degrees, 70 degrees)

Right = No, the reason why is because the remaining angles must add to 90 which is less than a right angle. So it's impossible to have one angle over 90 degrees. 

Acute = Also no. All three angles are less than 90 degrees

Isosceles = Yes. It is possible. One example would be 120 degrees, 30 degrees, 30 degrees.

Find the equation of the line which is perpendicular to the line y=− 1 3 x+6 through the point (2,4). answer:

Answers

y=1/13x +50/13
.......................

Which of the following is not included in the five number summary?


A- median

B- maximum

C- mean

D- minimum

Answers

The answer is C. mean 

The mean is not included in the five number summary.

It is required to choose the following is not included in the five number summary.

What is statistics ?

Statistics are defined as numerical data, and is the field of math that deals with the collection, tabulation and interpretation of numerical data. It is the study and manipulation of data, including ways to gather, review, analyze, and draw conclusions from data.

Given:

Actually its the mean. The 25th percentile is Q1 which is used to calculate inter-quartile range i.e.

[tex]IQR=Q_{1} -Q_{3}[/tex]

The mean has nothing to do with the five number summary or box and whisker plot.

The  five number summary consists of five values: the most extreme values in the data set (the maximum and minimum values), the lower and upper quartiles, and the median.

Therefore, the mean is not included in the five number summary.

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Of the ice cream cones sold yesterday at percy's ice cream shop, 1/3 were chocolate and another 1/2 were vanilla. what fraction of the ice cream cones sold were either chocolate or vanilla

Answers

Fraction of either vanilla or chocolate = 1/3 + 1/2 = 2/6 + 3/6 = 5/6

The required fraction of the ice cream cones sold were either chocolate or vanilla is 5/6.

What is  Least Common Denominator?

The lowest common denominator is defined as the set of fraction denominators with the lowest common multiple. The lowest positive integer with more than one denominator in the set is LCD.

We have been given that of the ice cream cones sold yesterday at Percy's ice cream shop, 1/3 were chocolate and another 1/2 were vanilla.

We have to determine the fraction of the ice cream cones sold were either chocolate or vanilla

1/3 equals 2/6

According to the given question,

The fraction of either vanilla or chocolate will be:

⇒ 1/3 + 1/2

Change into a lowest common denominator,

⇒  2/6 + 3/6

Apply the addition operation to get

⇒  5/6

Therefore, the required fraction of either vanilla or chocolate is 5/6.

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Explain why the equation 6|x| + 25 = 15 has no solution. When one solves, they arrive at a step where |x| is equal to a negative number. Since | x| can never be negative, there is no solution. When one solves, they arrive at a step where |x| is equal to a fraction that may not be represented as an integer. Since | x| must be an integer, there is no solution. When one solves, they arrive at a step where x is equal to a negative number. Since x can never be negative inside of the absolute value bars, there is no solution. The statement is false. There is a solution.

Answers

Final answer:

The equation 6|x| + 25 = 15 has no solution because it implies that |x| equals a negative number after simplification, and absolute values cannot be negative.

Explanation:

The equation 6|x| + 25 = 15 has no solution because the absolute value of x, denoted by |x|, represents the distance of x from zero on the number line, and as such, it can never be negative. When we solve the given equation, we isolate the absolute value on one side which gives us 6|x| = -10 after subtracting 25 from both sides. Dividing by 6, we obtain |x| = -10/6, which is a negative number. However, since an absolute value cannot equal a negative number, this indicates that there is no valid solution to the equation.

The sum of three fourths of a number and 1 is 5

Answers

Do you need to solve for "a number"? 

Let's call it x. So (3/4)x + 1 = 5.
Subtract 1 from both sides because we want to separate that x from everything else. 

(3/4)x = 4.

Multiply both sides by 4.
3x = 16.

Divide both sides by 3. x = 16/3.

To test it, (16/3)(3/4) + 1
(48/12) + 1
4 + 1
5

The Porter family has a net income of $5,000. If they want to reduce their food budget by $50, how much would the new food budget be? $

Answers

The answer will be 1,200

The new food budget is $400, the difference in the savings is $50 and the amount of money saved now is $2700.

What is an Equation?

An equation is a mathematical statement formed when two algebraic expressions are equated using an equal sign.

The equations are useful in determination of unknown parameters.

The Porter family has a net income of $5000.

The food budget of the family is $450

The budget is reduced by $50

The new food budget is $450 - $50

The new food budget is $400

Initially they used to save,

= $5000 - $450-  $1900

= $2650

Now as the expense has been reduced by $50,

The new savings will be,

= $2650 + $50

= $2750

It seems that your question is incomplete, the complete question is :

The Porter family has a net income of $5,000. They have a monthly food budget of $450 and $1900 is extra expenses, If they want to reduce their food budget by $50, how much would the new food budget be and what will be the difference in the savings.

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Answers

she would have a weekly gross pay of $404.

Plzzzz Help mee with the there questions i dont like math :P

Answers

-6 on the first term...and on the next 3 turns..
-6 + 3(-6) = -6 - 18 = - 24 <==
=====================
declines 3 degrees every hr for 5 hrs..
5(-3) = -15 <==
=====================
200 - 18(8) = 200 - 144 = 56 <=

17 − 2v = 41 solve v

Answers

Final answer:

To solve the equation 17 - 2v = 41, subtract 17 from both sides to get -2v = 24. Then divide both sides by -2 which gives v = -12.

Explanation:

To solve the equation 17 - 2v = 41 for v, first we need to isolate v on one side of the equation. We can start by subtracting 17 from both sides to rid the left side of numbers without the variable v. This gives us the equation:

-2v = 41 - 17

-2v = 24

Now, to solve for v, we divide both sides of the equation by -2:

v = 24 / (-2)

v = -12

Therefore, the solution to the equation is v = -12.

can someone help me out

Answers

I don't see in the problem what she is paid for over time but it is normally 1.5 times per hour

 so 40 hours at 25 = 1000

51-40 = 11 hours of over time

25 *1.5 = 37.50 per hour for over time

11 * 37.50 = 412.50

1000+412.50 = 1412.50 total

The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h
A=H(A+B)/2
Solve for b.
A. B=Ah/2-a
B. B=2A/h+a
C. B=2A/h-a
D. B=2A-a/h

Answers

Given that the formula for a trapezoid that relates the area A, the two bases, a and b, and the height, h is given by:

[tex]A= \frac{h(a+b)}{2} [/tex]

To solve for b, first multiply both sides by 2 to get:

2A = h(a + b) = ah + bh

Next, subtract ah from both sides to get:

2A - ah = bh

Next, divide both sides by h, to get:

[tex] \frac{(2A-ah)}{h} =b \\ \\ \therefore b=\frac{2A-ah}{h}[/tex]

Answer:

The answer is b=2A/h-a

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