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anastassius [24]
4 years ago
6

What is the solution to the system of equations?

Mathematics
2 answers:
frez [133]4 years ago
4 0
(-19,55) x is equal to -19 and y is equal to 55
dimaraw [331]4 years ago
3 0
<span>(–19, 55)
Replacing y in the second equation gives;
5x+2(-3x-2)=15
5x-6x-4=15
-x-4=15
-x=19
x=-19

y=-3(-19)-2
y=57-2
y=55

(-19, 55)</span>
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A store that buys and sells used video games buys a game at a cost of ​$9 and sells it at a selling price of ​$13. Find the mark
Bingel [31]
Markup = $4
b) markup as a percentage of cost is 33.3%
Step-by-step explanation:
Markup
markup = selling price - cost
= $13 - 9
... markup = $3
Markup as a Percentage of Cost
To find the percent markup, divide the markup by the reference value and multiply the ratio by 100%. The reference value for markup is usually cost price, but sometimes may be selling price.
... markup / cost × 100% = 3/9×100% = 33 1/3% ≈ 33.3%
4 0
3 years ago
Read 2 more answers
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Natasha_Volkova [10]

Answer:

50 lbs

Step-by-step explanation:

UPS: 8 + .20p

FedEx: 3 + .30p

8 + .20p = 3 + .30p

8  = 3 + .10p

5  =  .10p

p = 50

4 0
3 years ago
A candy bar box is in the shape of a triangular prism. The volume of the box is 3,240 cubic centimeters.
andrezito [222]

Answer:

s

Step-by-step explanation:

4 0
3 years ago
A cake decorator can bake and decorate 3 wedding cakes in 8 hours. How long will it take him to complete 2 cakes?
Daniel [21]
8/3 =2.6666
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5 0
4 years ago
The table below shows the fourth powers of different numbers: Number (x) 1 −1 2 −2 Fourth power of the number (y) 1 1 16 16 Part
Dvinal [7]

Number (x) 1 -1 2 -2

Fourth power of the number (y) 1 1 16 16

(a) Does the table represent y as a function of x?

From the table we can see that every x value has a corresponding y value

The x values are not repeating. So It is a function.

If we graph the table then it will pass vertical line test.

B: The total cost f(x), in dollars, for renting a truck for x hours is shown below: f(x) = 17x + 50 What is the value of f(30) and what does f(30) represent?

Total cost f(x) = 17x + 50

To find f(30), we plug in 30 for x

f(30)= 17(30) + 50 = 560

The rent of the truck for 30 hours is $560

8 0
4 years ago
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