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3 years ago

Find the value of x. A. 3 B. 2 C. 6 D. 5

Mathematics

1 answer:

solmaris [256]3 years ago

3 0

To solve this, you use the rule where AK x KC = DK x KB. In this case, 14(3+3X) = 12(4X+1). Then you solve like it's basic algebra. Your answer is then x=5. Or in this case answer choice D.

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If, in 7 years, Susan will be 2 times as old as she was 3 years ago, what is Susan’s present age?

pochemuha

Answer:

Step-by-step explanation:

Set Susan's present age as x, her age from 3 years ago as x-3, and her age in three years as 2(x-3)

Since her age in seven years = 2 times as old as she way 3 years ago, set up the equation:

x+7 = 2(x-3)

x+7 = 2x-6

x = 13

3 0

2 years ago

What is the value of x?<br><br> x = ___

Shalnov [3]

Answer:

x = 24

Step-by-step explanation:

The triangle is split into two similar triangles. They have the same shape but not the same size. To solve, write a proportion.

$\frac{56}{44.8}=\frac{35}{x+4}$

Cross multiply to solve for x.

56(x+4) = 44.8(35)

56x + 224 = 1,568

56x = 1,344

x= 24

4 0

3 years ago

A family pays $45 each month for cable television. the cost increases 7%.a. how many dollars is the increase?the increase is $.b

yKpoI14uk [10]

It increased by $3.15
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3 0

2 years ago

!!PLEASE HELP!! CAN GIVE BRAINLIEST!!

lara31 [8.8K]

Answer:

'The closest distance between Earth and Jupiter is greater than the closest distance between Earth and Mercury by approximately 7.66 times'.

Step-by-step explanation:

We are given that,

Distance between Earth and Jupiter = 5.9 × 10⁸ kilometers

Distance between Earth and Mercury = 7.7 × 10⁷ = 0.77 × 10⁸ kilometers

So, we see that,

5.9 × 10⁸ > 0.77 × 10⁸

Also, Ratio = $\frac{5.9\times 10^8}{0.77\times 10^8} =7.66$

That is,

'The closest distance between Earth and Jupiter is greater than the closest distance between Earth and Mercury by approximately 7.66 times'.

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3 years ago

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iogann1982 [59]

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3 years ago