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3 years ago

10 points for whoever can solve this for my brother

Mathematics

2 answers:

olganol [36]3 years ago

6 0

Answer:

27.5 miles

Step-by-step explanation:

Set up a proportion: $\frac{412.5}{15} = \frac{x}{1}$
Cross multiply, then divide: 412.5 × 1 = 412.5, 412.5 ÷ 15 = 27.5
So, Carla's car can travel 27.5 miles on 1 gallon of gas

I hope this helps!

Ainat [17]3 years ago

5 0

Answer:

27.5

Step-by-step explanation:

divide 412.5 by 15 to receive 27.5 wich in word form is

twenty seven and five tenths hope this help and good luck to your bother

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a woman is 10 times as old as her daughter. In 8 years she will be 4 times as old as her daughter. How okd is her mother now?

Bond [772]

Answer:

48 yr. old

Step-by-step explanation:

Assume daughter is 4 and mom is 10 times her age, so mom is 40.

10 (woman) * 4 (daughter's age) = 40 yr. old mom

Present day...

40 (yr old mom) + 8 (yrs later) = 48 yr. old mom today

4 (yr old daughter) + 8 (yrs later) = 12 yr. old daughter today

So, if mom is 4 times as her daughter's age today...

48 (yr. old mom) / 12 (yr. old daughter) = 4

5 0

2 years ago

Please help!<br> Will give brainliest

zhuklara [117]

Answer:

16 nickels

Step-by-step explanation:

I just divided 32 by 2 I don't know if its completely right though

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3 years ago

Which decimal is less than 0.24 and greater than 0.007 is it 0.31 or 0.27 or 0.26 or 0.12

Monica [59]

The answer is 0.12. Hope I helped! please mark as the brainliest!

6 0

3 years ago

Read 2 more answers

Which expression is equivalent to 1/4y−1/2? 1/4(y−1/2) 1/4(y−2) −1/4(y−12) −1/4(y−2)

V125BC [204]

It’s only 8 points -_-

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2 years ago

Please help me please will give brainliest to anyone

DaniilM [7]

Answer:

$x^4+x^2-12$

Step-by-step explanation:

We'll write the polynomial using only the roots required to simplify calculations. However, it states the final answer should not have a radical or complex number in. Therefore, we need to rid them:

$(x+\sqrt{3})(x-\sqrt{3})(x-2i)(x+2i)$

Expanding this, we get:

$(x^2-3)(x^2+4),\\\fbox{$x^4+x^2-12$}$ .

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3 years ago