3 years ago

What is 32⋅(12)x+1=2x−14?

Mathematics

1 answer:

vazorg [7]3 years ago

5 0

Answer:

$x=-\frac{15}{382}$

Step-by-step explanation:

32 × 12x + 1 = 2x - 14

384x + 1 = 2x - 14

384x + 1 - 1 = 2x - 14 - 1

384x = 2x - 15

384x - 2x = 2x - 2x - 15

382x = - 15

382x ÷ 382 = - 15 ÷ 382

$x=-\frac{15}{382}$

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mrs. li bought some crackers. she gave 30% of the crackers to her neighbor and ate 50% of the remaining crackers. mrs. li had 42

snow_tiger [21]

Answer:
She bought 120 crackers

Explanation:
Assume that the number of crackers she originally bought was x

We know that she gave her neighbor 30% of the crackers.\This means that:
amount left with her = x - 30%x
amount left with her = x - 0.3 x
amount left with her = 0.7x crackers

Now, we know that she ate 50% of that amount.
This means that:
she ate 50%(0.7x) = 0.5(0.7x) = 0.35x crackers
amount left with her = 0.7x - 0.35x = 0.35x crackers

Finally, we know that the number of crackers left with her is 42 crackers.
This means that:
0.35x = 42
x = $\frac{42}{0.35}$
x = 120 crackers

Hope this helps :)

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3 years ago

What is the only function that allows us to pull the variable out of the exponent?

Vilka [71]

Answer: isolate the exponent term on one side of the equation, and then apply the appropriate radical to both sides of the equation.

Step-by-step explanation:

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3 years ago

Read 2 more answers

sarah competes in a long jump competion. her first jump is 4.25m. her best jump is 12% more than this. however, her best jump is

maxonik [38]

Best jump=4.25+0.12(4.25)=4.76
best jump=75% of winning jump
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