3 years ago

Given the equation y = 3x + 2 , what is the value of x when y = 8? A:2 B:4 C:6 D:9

Mathematics

1 answer:

stiv31 [10]3 years ago

3 0

Answer:

Step-by-step explanation:

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If you take a number multiply by 7 then takeaway 1. You get the same as if you took the number multiply by 5 then takeaway 8. Wh

muminat

7x - 1 = 5x - 8
Minus 5x on each side
2x -1 = -8
Plus 1 on each side
2x = -7
Divide by 2 on each side
x = -7/2

The number is most likely -7/2

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2 years ago

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Find two positive numbers whose difference is 17 and whose product is 1410

Dafna11 [192]

Answer:

30 and 47

their difference is 17 and when multiplied equal 1410

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3 years ago

Sara said, "If you divide my age by 3 and then add 8 years, the result is my age."

kaheart [24]

Answer:

Sara is 12

Step-by-step explanation:

12÷3=4 4+8=12

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3 years ago

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What is the length of the longest side ?

exis [7]

Answer:

11 feet (Option C)

Step-by-step explanation:

Let the longer side be l and the shorter side be b.

We know that,

→ Perimeter of rectangle = 2 ( longer side + shorter side )

Here,

Perimeter of rectangle is 32 feet.

→ 32 = 2 (l + b)

→ 32 = 2l + 2(5)

→ 32 = 2l + 10

→ 32 - 10 = 2l

→ 22 = 2l

→ $\sf \dfrac{22}{2}$ = l

→ 11 = l

→ 11 feet = longer side

$\therefore$ Length of the longer side is 11 feet.

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2 years ago

If the volume of a full sphere is 4/3×3.14 R^3 what is the volume of a half sphere, also called a hemisphere?

MArishka [77]

$\frac{ \frac{4}{3} \times \pi \times {r}^{3} }{2}$

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3 years ago

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