Answer:
C
Step-by-step explanation:
maths - simultaneous equations
Answer:
knife = £5.52
Step-by-step explanation:
The 2 equations are
k = 3s → (1)
9s + 12k = 82.8 → (2)
Substitute k = 3s into (2)
9s + 12(3s) = 82.8
9s + 36s = 82.8
45s = 82.8 ( divide both sides by 45 )
s = 1.84
Substitute s = 1.84 into (1)
k = 3 × 1.84 = 5.52
The cost of 1 knife is £5.52
Which of the following is an example of a raw goods producer?
Answer:
c prt i suppose
Step-by-step explanation:
Answer:
A Lumber company
Step-by-step explanation:
Which expression can be used to find the surface area of the following rectangular prism?
Answer:
Option B
Step-by-step explanation:
help me I really need it
Tropical rainy is forests close to the water. Dry is outback and steppes. Temperate marine is savannas. Temperate continental is forests far from water. Polar is tundra and ice caps. Finally, highlands is mountains.
Kelly plans to take juice on her camping trip. Which will hold more juice 14 cans , where 1 can is 150ml or 2 2 liter bottles? How much more?
Answer:
14 150ml cans will hold more juice.
Step-by-step explanation:
14*150ml = 2100ml
2100ml = 2.1 liters
Please help me with this :(
Answer:
One less than 25, 24, times five is 120, and that is 4 times as much as 30 so you already know it is wrong.
Step-by-step explanation:
Jodi rents a car for 2 weeks. It costs $210 for each week plus $0.10 per mile.
Which equation represents the relationship between the number of miles traveled, m, and the total rental cost, r?
O A r = 2(210+ 0.10m)
B. r= 210 + 2 (0.10m)
C. r = 2 (210) (0.10m)
D. r= 2(210) +0.10m
The equation represents the relationship between the number of miles traveled, m, and the total rental cost, r is r = 2(210) + 0.10m.
What is the equation?An equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.
Jodi rents a car for 2 weeks.
It costs $210 for each week plus $0.10 per mile.
Let, the number of miles traveled, m, and the total rental cost, r.
The rent of the car for 2 weeks is;
[tex]= 2 \times 210[/tex]
The equation represents the relationship between the number of miles traveled, m, and the total rental cost, r is;
r = the rent of the car for 2 weeks + the total rental cost
r = 2(210) + 0.10m
Hence, the equation represents the relationship between the number of miles traveled, m, and the total rental cost, r is r = 2(210) + 0.10m.
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Consider the system of equations, x - 2y = 8 and -2x+4y=-16.
What is x - 2y = 8 in slope-intercept form?
What is -2x + 4y = –16 in slope-intercept form?
How many solutions will there be?
What will the graph of the system look like?
Answer:
Consider the system of equations, x – 2y = 8 and –2x + 4y = –16.
What is x – 2y = 8 in slope-intercept form?
y=(1/2)x - 4
What is –2x + 4y = –16 in slope-intercept form?
y=(1/2)x - 4
How many solutions will there be?
infinitely many solutions
What will the graph of the system look like?
the lines are exactly the same
(I answered using the other answer and it was incorrect. It autocorrected it to these answers. This answer is correct.)
Slope intercept form of the equation
[tex]x - 2y = 8 \\ y=\frac{1}{2}x-4[/tex]
Slope intercept form of the equation
[tex]-2x+4y=-16 \\y=\frac{1}{2}x-4[/tex]
Solution is infinite
Graph of the system are the lines that lies one above the other.
Given :
System of equations
[tex]x - 2y = 8 \\ -2x+4y=-16[/tex]
slope intercept form of the equation is y=mx+b
Lets solve each equation for y
[tex]x - 2y = 8 \\-2y=-x+8\\y=\frac{1}{2}x-4[/tex]
Slope intercept form of the equation
[tex]x - 2y = 8 \\ y=\frac{1}{2}x-4[/tex]
Lets solve the second equation for y
Slope intercept form of the equation
[tex]-2x+4y=-16\\4y=2x-16\\y=\frac{1}{2}x-4[/tex]
The slope intercept form of both the equations are same
So there are infinite solutions for the given system of equations.
When the solution is infinite then the graph of equation are the lines that lies one above the other .
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If 2/x+ 3/y =13 and 5/x- 4/y = -2, then x+y equals (a) 1/6 (b) -1/6 (c) 5/6 (d) -5/6
Answer:
c
Step-by-step explanation:
Let 1/x = a &
1/y = b
So, now the equation:
2a +3b = 13 --------------------(i)
5a - 4b = -2 --------------------(ii)
To eliminate a, Multiply equation (i) by 5 and multiply (ii) by (-2)
(i)*5 10a + 15b = 65
(ii)*(-2) - 10a + 8b = 4 ( Now add, a will be eliminated}
23b = 69
b= 69/23
b = 3
Plug in the value of b in equation (i)
2a + 3*3 = 13
2a + 9 = 13
2a = 13 - 9
2a = 4
a= 4/2
a = 2
Now a = 1/x ------>x = 1/a = 1/2
b = 1/y ----------->y = 1/b = 1/3
[tex]x+y=\frac{1}{2}+\frac{1}{3}\\\\=\frac{1*3}{2*3}+\frac{1*2}{3*2}\\\\=\frac{3}{6}+\frac{2}{6}\\\\=\frac{5}{6}[/tex]
kevin estimated the differncle between of 9/10 minus 4/8 to be 0 is his estimate reasonable explain
Answer:
No, it is not reasonable
Step-by-step explanation:
Writing 9/10 and 4/8 as fractions out of 100, and then as decimals
9/10 = 90/100 = 0.9
4/8 = 1/2 = 50/100 = 0.5
0.9 - 0.5 = 0.4
Not 0, like Kevin estimated
Answer: 4/8 = 0.5 and 9/10= 0.9. If you subtract 0.9 by 0.5, you end up with 0.4. I would say not reasonable.
Step-by-step explanation:
What if you subtract the angle measures?
45°-(-3159) =
Find the area of the shaded regions:
Answer:
41 Degrees
Step-by-step explanation:
So basically you add the 72 and the other 72 to get 148.You obviously know the angle in between 72 and 72 is a right angle or 90 degrees.Then you add 148 and 90 to get 238.Then 360 - 238 is 122.Now you know all the angles.So we have to ask ourselves what is 148/360 simplified.It is 37/90.Now that we know that and we know that the radius is 10.We have to find the regular area which is 10 times 10 which is 100.Finally we need to figure out what part of 100 is 37/90 and it is 41.111111111111.Rounded it is 41.
The shoes are on sale for 39.99. If they were marked down 20%, what was the original price?
Final answer:
The original price comes out to $49.99 when rounded to the nearest cent.
Explanation:
To determine the original price of an item that has been marked down by 20%, we need to understand that the current price represents 80% of the original price (100% - 20% = 80%).
Therefore, the sale price is 80% of the original price. If the shoes were on sale for $39.99, we can set up an equation where the original price is represented by x, and the sale price is 80% of x, or 0.80x.
The equation would be 0.80x = $39.99.
To find the original price, we divide both sides by 0.80:
x = $39.99 / 0.80
x = $49.9875
Therefore, the original price of the shoes was $49.99 when rounded to the nearest cent.
Which value is closets to 8 11/20 A)8 B)8 1/2 C)8 3/4 D) 9
Final answer:
The value 8 3/4 (option C) is closest to 8 11/20 because it has the smallest difference when compared to the other options after converting 11/20 to its decimal form.
Explanation:
The value closest to 8 11/20 is 8 3/4 (option C). To determine which value is closest, convert 11/20 to its decimal equivalent by dividing 11 by 20, which is 0.55. When added to 8, this gives us 8.55. Now let's compare the options: Option A (8) is 0.55 away, option B (8 1/2) equals 8.5 and is 0.05 away, option C (8 3/4) equals 8.75 and is 0.20 away, and option D (9) is 0.45 away. Thus, 8 3/4 is the closest value to 8 11/20 since it has the smallest difference.
Which table represents a function?
Answer:
first one
Step-by-step explanation:
same x value can't have more than one y value
each person gets 1/5 of a cake at a birthday party there are 3 cakes total how many people will eat cake
Answer:
15
Step-by-step explanation:
There are 15/5 in 3 cakes, since 1 cake has 5/5, so 3 is 15/5. if everybody gets one fifth, 15 people get the cake
Answer:
A total of 15 people will eat cake
Plz help will give brainliest
Answer: C because if it says less than that means after
What is the area of this title?
Is it in. or in2
Answer:
A = 12 in^2
Step-by-step explanation:
The formula for area is
A = l*w
A = 2in * 6 in
A = 12 in^2
How many times greater is the
value of the digit 4 in 4,560 than
in 241?
Answer:
100x
Step-by-step explanation:
4 in 4560 = 4000
4 in 241 = 40
4000 div by 40 = 100
Answer:
100
Step-by-step explanation:
i thihk
80° r=9 What is the length of the indicated arc?
*25 points* What is the average rate of change of g over the interval 0≤x≤9?
Answer:
10/9
Step-by-step explanation:
y increases by 10 while x increases by 9
The average rate of change of a function over an interval is calculated by finding the difference in the function values at the endpoints and dividing it by the difference in the x-values.
Explanation:The average rate of change of a function over an interval is calculated by finding the difference in the function values at the endpoints of the interval and dividing it by the difference in the x-values.
In this case, we are given the interval 0 ≤ x ≤ 9. We need to find the difference in the function values of g at x = 0 and x = 9, and then divide it by the difference in the x-values, which is 9 - 0 = 9.
So, the average rate of change of g over the interval 0 ≤ x ≤ 9 is (g(9) - g(0)) / (9 - 0).
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In a taste test, 50 participants are randomly given a beverage to sample.
There are 20 samples of Drink A, 10 samples of Drink B, 10 samples of Drink
C, and 10 samples of Drink D. Write the probability of a participant NOT
sampling Drink A.
Answer:
20 out of the 50 participants are assigned to consume Drink A.
However, it is asking us the probability that a participant did NOT consume Drink A, so there are 30 participants that consumed another drink.
The probability is 30/50, or 60%, that a participant did not sample Drink A.
Answer:
3/5
Step-by-step explanation:
of the 50 participants 20 of them will get drink A. This probability is 20/50 which simplified is 2/5. The other 30 participants will get drinks B, C, or D. As a fraction this is equal to 30/50 or 3/5. Therefore the probability of a participant not sampling drink A is 3/5.
In Ben's state, the weekly unemployment compensation is 55% of the 26-week average for
the two highest-salaried quarters. A quarter is three consecutive months. For July, August,
and September, Ben earned a total of $22,400. In October, November, and December, he
earned a total of $22,800. Determine Ben's weekly unemployment compensation.
Ben's weekly unemployment compensation is $956.15
What is percentage?A percentage is a number or ratio expressed as a fraction of 100. It is generally denoted using the percent sign ''%''.
Now it is given that,
Weekly unemployment compensation = 55%
Ben earned a total in July, August, and September = $22,400
And in October, November, and December = $22,800
Therefore, his total compensation for the six month period = $22,400 + $22,800 = $45,200
his average weekly salary = $45,200 / 26 weeks = $1,738.46
Ben's unemployment compensation = $1,738.46 x 55% = $956.15
Hence,Ben's weekly unemployment compensation is $956.15
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To determine Ben's weekly unemployment compensation, we need to calculate the average of his two highest-salaried quarters and then multiply it by 55%.
Therefore, Ben's weekly unemployment compensation is $4,106.67.
Explanation:To determine Ben's weekly unemployment compensation, we need to calculate the average of his two highest-salaried quarters and then multiply it by 55%. First, let's calculate the average for each quarter:
Next, let's determine the two highest averages:
The highest average: $7,600The second highest average: $7,466.67Now, we can calculate the weekly unemployment compensation:
The highest average * 55% = $7,600 * 0.55 = $4,180
The second highest average * 55% = $7,466.67 * 0.55 = $4,106.67
Therefore, Ben's weekly unemployment compensation is $4,106.67.
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Colleen went to the store. She bought 4 pounds of
gummy bears. How much did she spend?
How are you supposed to find that out if you don't have a base price for at least 1 pound of gummy bears? Can you provide more info?
Find the length of HD
if entering your answer as a decimal, round your final answer to the nearest hundredth.
HD = units
Answer:
11 units
Step-by-step explanation:
HPO and DPI are similar triangles
HP/DP = PO/PI
HP/9 = 6/27
HP = 9×6/27
HP = 2
HD = HP + PD
HD = 2 + 9 = 11
Answer:
11 units
Step-by-step explanation:
Find the distance between the two points (4, 1) and (10,9)
The distance between the two points (4, 1) and (10,9) is 10 units
CoordinatesAssume the points are A and B
The coordinates of the points are given as:
Point A = (4,1)Point B = (10,9)DistanceThe distance (d) between two points A and B is calculated as:
[tex]d = \sqrt{(x_1 -x_2)^2 + (y_1 -y_2)^2}[/tex]
So, the above equation becomes
[tex]d = \sqrt{(4-10)^2 + (1 -9)^2}[/tex]
[tex]d = \sqrt{100}[/tex]
Take the positive square root of 100
[tex]d = 10[/tex]
Hence, the distance is 10
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If the trapezoid below is reflected across the x-axis, what are the coordinates
of B?
68
86 42
Answer:
4, -8
Step-by-step explanation:
Add the equations.
3x - y = -1
+ - 3x + 3y= 27
O A. 2y = 26
O B. -2y=-28
O c. 4y= 28
O D. 6x - 4y= -28
Answer:
Step-by-step explanation:
3x - y = -1
-3x + 3y = 27
2 y = 26
When adding, 3x + (-3x) = 0
3y - y = 2y
27- 1 = 26
Answer:
2y = 26
Step-by-step explanation:
Just did it.
Write a quadratic function f whose zeros are 6 ad 5
The quadratic function f whose zeros are 6 and 5 is represented by the formula f(x) = (x - 6)(x - 5). This formula utilizes the fact that the zeros of a quadratic function, also known as the roots, are the x-values for which the function equals zero.
Explanation:To write a quadratic function f whose zeros are 6 and 5, we first identify the zeros. These zeros are the roots of the equation, meaning the points at which the curve of the function hits the x-axis.
A quadratic function is in the form f(x) = a(x - p)(x - q), where p and q are the zeros. Therefore, if the zeros are 6 and 5, our function becomes f(x) = a(x - 6)(x - 5), with 'a' being any real number. If we take 'a' as 1 (for simplicity), the function becomes f(x) = (x - 6)(x - 5).
So the quadratic function with zeros 6 and 5 is f(x) = (x - 6)(x - 5).
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Plot the image of point B under a dilation about point P
with a scale factor of
Please find the attached file.
We have been given am image of point B on coordinate plane. We are asked to plot the mage of point B under a dilation about point P with a scale factor of [tex]\frac{1}{2}[/tex].
To solve our given problem, we need to find vertical distance and horizontal distance between point B and point P.
We can see that vertical distance is 4 units as shown in the attachment and horizontal distance is 6 units.
Since the scale of dilation is [tex]\frac{1}{2}[/tex], so the vertical distance between point P and B' would be [tex]\frac{1}{2}[/tex] of 4 that is [tex]\frac{1}{2}(4)=2[/tex].
The horizontal distance between point P and B' would be [tex]\frac{1}{2}[/tex] of 6 that is [tex]\frac{1}{2}(6)=3[/tex].
Now we will count 3 units to left of point P and 2 units upwards. That will be the position of point B'.
The below-attached graph represents the image of point B under a dilation about point P with a scale factor of 1/2.
To plot the image of point B under a dilation about point P with a scale factor of 1/2, follow these steps:
Draw point P on the coordinate plane at any location.From point P, move vertically 6 units up and label the new point as B.From point P, move horizontally 4 units to the left and label the new point as B'.The point where this line intersects the vertical line through point C will be the image of point B under the dilation with a scale factor of 1/2.
Thus, the image of point B will be half as far away from point P as point B.
Hence, the below-attached graph represents the image of point B under a dilation about point P with a scale factor of 1/2.
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