$40\%x + x = 14 \\ \\ \\ \frac{40}{100} x + x = 14 \\ \\ \\ \frac{4}{10} x + x = 14 \\ \\ 0.4x + x = 14 \\ \\ 1.4x = 14 \\ \\ x = \frac{14}{1.4} \\ \\ \\ x = \frac{140}{14} \\ \\ \\ x = 10$

I hope I helped you^_^

3 0

3 years ago

HELLLPPPP FASTTTTT !!!!!!! When working with scientific Notation What does a negative exponent let you know about the size of th

Nimfa-mama [501]

Answer:

A negative exponent means that the number will be a decimal.

so 4 X 10^-9 (-9 being the exponent of 10)

the answer to this equation would be 0.000000004 because the decimal moves 9 times to the left

8 0

3 years ago

How do I solve 5 1/2 divided by -2 3/4

rusak2 [61]

$5\frac{1}{2}:(-2\frac{3}{4 })= \frac{11}{2}:(-\frac{11}{4})= \frac{\not11^1}{\not2^1}*(-\frac{\not4^2}{\not11^1})=-2$

7 0

3 years ago

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The sum of nine times a number, and 4, is equal to eight times the number.

pishuonlain [190]

Answer:

-4

Step-by-step explanation:

Let's put this in math notation. We can call the number x:

9x+4=8x

Subtract 8x from both sides:

x+4=0

Subtract 4 from both sides:

x=-4

4 0

2 years ago

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