2 years ago

When 9x = 3y - 27 is graphed in the standard (x,y)

Mathematics

1 answer:

Wewaii [24]2 years ago

8 0

The answer is (0,9) can you ask more questions relating to this

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Which expression is equivalent to 8 (9 + x)?

jasenka [17]

Answer:

72 + 8x

you would multiply 8 by 9 + x

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2 years ago

Last month, Jerald bought 70 bags of candy for $8 each. How much did Jerald spend on bags of candy?

kaheart [24]

He spent 560. Just multiply 70 with 8

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2 years ago

A ramp 17 1/2 feet in length rises to a loading platform that is 3 1/2 feet off the ground. Find the angle that the ramp makes w

faltersainse [42]

Answer:

The angle that the ramp makes with the ground is 11.54°

Step-by-step explanation:

From the image attached, we can see that the length of 17 1/2 ft corresponds to the hypotenuse in a right triangle, the length of 3 1/2 ft corresponds to the opposite side.

We can use the fact that the sin(θ) = $\frac{Opposite}{Hypotenuse}$ to find the angle that the ramp makes with the ground.

$sin(\theta)=\frac{3.5}{17.5}$

The angle is equal to

$\theta = sin^{-1}(\frac{3.5}{17.5} )\\\theta = 11.54\°$

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2 years ago

Solve the system of equations.

Helga [31]

The answer is x=1 y=-1 and z=1. If you plug in the variables you get
4-3+5 and that equals 6. So that’s the answer

7 0

2 years ago

a record store is having a sale during which all items will be sold at 25% less then marked prices. How much will a CD marked $1

BARSIC [14]

Answer:

$12

Step-by-step explanation:

If you're taking off 25% of the regular cost, "taking off" means subtracting. So if we subtract 25% OF 16, the word "of" means to multiply here. So our expression then becomes:

16 - .25(16)

16 - 4 = 12

So the CD will sell for $12.

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2 years ago