3 years ago

The elongation E of a spring balance varies directly with the applied weight W. if E=2 when W=15, find E when W=10

Mathematics

2 answers:

Mumz [18]3 years ago

7 0

Answer:

2.25

Step-by-step explanation:

3 : 20 = E : 15

E = (3*15)/20

E = 2.25

maks197457 [2]3 years ago

7 0

When the bird and the fly were a thing people forgot about the itsy bitsy spider

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GenaCL600 [577]

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3 years ago

3x - 20 = 4 PLEASE EXPLAIN HOW YOU GOT THE ANSWER IN STEPS!

sammy [17]

Answer:

x = 8

Step-by-step explanation:

3x - 20 = 4

add 20 to both sides

3x - 20 + 20 = 4 + 20

3x = 24

divide both sides by 3

$\frac{3x}{3}$ = $\frac{24}{3}$

x = 8

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2 years ago

What does common factors mean?

bearhunter [10]

Factors are the numbers you multiply together to get another number. when you find the factors of two or more numbers, and then find some of the numbers (factors) are the same (common) you have common factors.

example: 12 and 36

12: 1x12, 2x6, 3x4
36: 1x36, 2x18, 3x12, 4x9, 6x6

the common factors in these numbers are 1, 2, 3, 4, 6 and 12

hope this helped you out!

6 0

3 years ago

Solve using the square root property.X^2=-12

Alla [95]

Answer:

x = ± 2i $\sqrt{3}$