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2 years ago

Need help I don’t understand how do this

Mathematics

1 answer:

scoundrel [369]2 years ago

3 0

Answer:

look at each equation take equation I for example y = 2x then look at each table take the x value plug it in for the equation and see if you get the y value if you don't move on. so on this instance y = 2x I'm just going to plug in 2 * -2 gives me - 4, 2 * - 1 gives me -2, 2 * 0 gives me 0, 2 * 1 gives me 2 so the answer to table c is table c matches with equation i. keep doing that on your own and you should be able to get the rest

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2 years ago

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Solve<br> -31-4x=-5-5(1+5x)

MrRa [10]

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3 years ago

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Please help me if you don't mind

RoseWind [281]

Answer:

qp is congruent to hg

Step-by-step explanation:

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3 years ago

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$700 is invested at 4% per annum. How long will it take for the amount to reach $784?

Blababa [14]

Answer:

3yrs

Step-by-step explanation:

Given parameters:

Capital = $700

Percentage interest = 4% per annum

Unknown:

Time it will take for amount to be = $784

Solution:

To find the simple interest on an amount;

I = $\frac{PRT}{100}$

P is the principal

R is the rate

T is the time

I is the interest

Insert the parameters:

I = $\frac{700x 4 x T}{100}$

I = 28T

So;

At the end of the duration:

Principal + Interest = Amount

700+28T = 784

28T = 784 - 700

28T = 84

T = 3yrs

5 0

3 years ago

Helena wants to paint a box in the shape of a cube with sides that are 18 inches long. what is the surface area that Helena will

yan [13]

Answer:

1944 Inches Squared

Step-by-step explanation:

Surface area Formula for a Cube:

$A = 6a^2$

The "edge", which is also the side, is 18 inches.

$a = 18$

Solve the formula.

$A= 6a^2 = 6(18)^2 = 6 * 18^2\\18^2 = 324\\324 * 6 = 1944\\A=1944$

The cube's surface area should be 1944 square inches.

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3 years ago