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geniusboy [140]
3 years ago
6

HELP ME PLS! IT'S DUE TOMORROW!!

Mathematics
1 answer:
RoseWind [281]3 years ago
8 0

Answer:

20x+25y

Step-by-step explanation:

First, let's solve for the cars. For one car, a wash and a wax would cost $20, but instead, we're solving for X cars. so instead of 1(20), we would have x(20), which we can simplify to 20x. Now for the trucks, we're going to add the 10 and the 15, which is 25, for one car, and 25y for Y cars.

I hope this helps! If you have any questions just comment on this answer!

<em>P.S. I'm sure it would be really helpful if you guys rated the comment so others know if it's right! </em>

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Whoever answers first i will mark as brainiest
bija089 [108]

Answer:

B. 7 inches

Step-by-step explanation:

The surface area of a cube is denoted by: A = 6s², where s is the side length.

Here, we know that A = 294 in², so plug this into the equation to solve for s:

A = 6s²

294 = 6s²

s² = 49

s = √49 = 7

The answer is thus B, 7 inches.

7 0
3 years ago
The measure of angle 1 is 39 degrees. What is the measure of the angle adjacent to angle<br> 1?
Bogdan [553]

Answer:

51

Step-by-step explanation:

90-39 = 51

6 0
3 years ago
Carissa also has a sink that is shaped like a half-sphere. The sink has a volume of 3617 in3. One day, her sink clogged. She has
Oxana [17]

Answer:

864

Step-by-step explanation:

Volume of cup = ⅓pi×r²×h

Diameter = 2, radius = 1

= ⅓×3.142 × 1² × 4 = 4.1893333333 in³

To empty the sink, 864 scoops will be required

(3617/4.1893333 = 863.383)

3 0
4 years ago
A roof is shaped like a cone with a diameter of 12 feet. One bundle of shingles covers 32 square feet. How many bundles should y
max2010maxim [7]

Answer:

113.04 (6 + g) / 32

Step-by-step explanation:

We know that the total area of a cone is:

A = Pi * r * (r + g), let g be the generatrix.

The radius is half the diameter, therefore, 12/2 = 6 feet.

Replacing:

A = 3.14 * (6) * (6 + g) = 113.04 (6 + g) square feet.

To know the total number of tiles package, we must divide the area of the cone by the area occupied by a package. So:

113.04 (6 + g) / 32

The problem statement does not have a height or the value of the generatrix therefore it is not possible to calculate the number of packages.

3 0
3 years ago
What is the slope for (−10,1) And (0,−4)<br> A -2<br> B - 1/2<br> C 2<br> D 1/2
alukav5142 [94]

Answer:B

Step-by-step explanation: dy/dx = (1--4)/(-10-0)

= 5/-10

=-1/2

5 0
3 years ago
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