3 years ago

Which bedt describes the solutions to 4-7?

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

4 0

Answer:

4-7

this gives us answer of -4

hope it helps

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Solve the formula <br> 2x − 3y = 18 for y.

tensa zangetsu [6.8K]

Answer:

y = $\frac{2}{3}$ x - 6

Step-by-step explanation:

2x - 3y = 18 ( subtract 2x from both sides )

- 3y = - 2x + 18 ( divide terms by - 3 )

y = $\frac{2}{3}$ x - 6

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3 years ago

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How would you describe an angle to someone who had never heard of one before? How would you describe how it is measured? Is it t

valkas [14]

An angle is where two lines intersect at a point. It is measured by the distance between the two lines in degrees. Boom. Did it without math-ey words. i'm da best

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3 years ago

A square piece of plastic has a perimeter of 8 cm. how long is each side of the piece of plastic?

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

Since it is a square, all four sides are equal and its perimeter is just

P=4s, so if P=8 then

4s=8, dividing each side by 4 we get

s=2

So each side of the plastic square is 2 centimeters.

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3 years ago

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If D = Z + 6 and C = -2 + Z - Z^2, find an expression that equals 3D + C in standard form

kykrilka [37]

Answer:

4Z+16-Z²

Step-by-step explanation:

Given that,

D = Z+6

C = -2 + Z - Z²

We need to find the value of 3D+C.

So,

3D+C = 3(Z + 6)+(-2 + Z - Z²)

= 3Z+18-2+Z-Z²

= 4Z+16-Z²

So, the required expression is 4Z+16-Z².

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3 years ago

What is the constant rate of change of (5,80) (4,64) and (6,96)

sveticcg [70]

Answer:

Step-by-step explanation:

The existence of the constant rate of change is given the ratio of y to x is the same. Then:

$k_{1} = \frac{80}{5}$

$k_{1} = 16$

$k_{2} = \frac{64}{4}$

$k_{2} = 16$

$k_{3} = \frac{96}{6}$

$k_{3} = 16$

In consequence, the constant rate of change is 16.

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3 years ago