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xxTIMURxx [149]
3 years ago
7

The soccer team collected $800 at a car wash fundraiser. They charged $5.00 for small vehicles and $10.00 for larger vehicles. T

he amount collected can be modeled by the equation 5 x plus 10 y equals 800, where x represents the number of small vehicles and y represents the number of larger vehicles. If the number of larger vehicles washed was 60, how many small vehicles were washed in total?
40

100

-10

50


Answer quickly please, brainliest to who answers correctly! <3
Mathematics
1 answer:
Flauer [41]3 years ago
4 0

Answer:

40

Step-by-step explanation:

Do 60 × 10.00 to get 600. Then do 800-600 to get 200. Then do 200÷5.00 to get 40.

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What is the area of the composite figure
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To find the area of a composite figure, separate it into the regular parts which make the irregular shape. This shape is composed of a semi-circle and a rectangle. Find the area by finding the area of each shape.

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The semi-circle has a diameter of 2 + 4 + 2 = 8. The area this figure uses the radius which is half the diameter. The radius is 4. To find the area substitute r = 4 into \pi r^2 = \pi 4^2 = 16\pi. However the semi-circle has a smaller circle cut out of it with radius 2. The area of the smaller circle is \pir^2 = \pi 2^2=4\pi. The semi circle in the shape is the areas subtracted which equals 12π.

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The area of the rectangle is found using A = b*h = 2*5 = 10.

The total area is 12π + 10 meters squared.

5 0
3 years ago
A company has two manufacturing plants with daily production levels of 7x + 19 items and 5x -2 ​items, respectively. The first p
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Read 2 more answers
Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 9xy3 â€"" 4y4 â€"" 10x2y
Aleksandr-060686 [28]

The first option is correct here: -13y^4 + 3x^4 - 8x^2y^2 + x^3y + 9x y^3

<h3>Given the polynomial:</h3>

9xy^3 - 4y^4 - 10x^2y^2 + x^3y + 3x^4 + 2x^2y^2 - 9y^4

<h3 /><h3>Simplification:</h3>

Combine the like terms together as shown below:

9xy^3 - 4y^4 - 10x^2y^2 + x^3y + 3x^4 + 2x^2y^2 - 9y^4\\= (-4y^4 - 9y^4)  + 9xy^3 + (-10x^2y^2 + 2x^2y^2) +x^3y +3x^4\\= -13y^4 +9xy^3 -8x^2y^2 + x^3y + 3x^4\\= -13y^4 +3x^4  -8x^2y^2 + x^3y + 9xy^3

Thus, the first option is correct here: -13y^4 + 3x^4 - 8x^2y^2 + x^3y + 9x y^3

For more information, refer to:

brainly.com/question/10689855

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