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geniusboy [140]

3 years ago

14

Solve for X!? PLEASE HELP MEE!!!!!!!

2 answers:

IgorC [24]3 years ago

7 0

4x = 2x + 30
6x = 30
x = 5

zepelin [54]3 years ago

3 0

Answer:

x=15

Step-by-step explanation:

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Kyle divided two numbers in scientific notation using the interactive calculator and found a solution of 3.5E4. If the numerator

Maru [420]

Answer:

a=2, b=5

Step-by-step explanation:

Let

n -----> the denominator

we have

$3.5*10^4=\frac{7*10^9}{n}$

Solve for n

That means -----> isolate the variable n

Multiply by n both sides

$3.5*10^4(n)=7*10^9$

Divide by 3.5*10^4 both sides

$n=\frac{7*10^9}{3.5*10^4}=(\frac{7}{3.5})(\frac{10^9}{10^4})=2*10^5$

therefore

a=2, b=5

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Sholpan [36]

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3 years ago

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