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3 years ago

Allison car can drive 450 miles on just 12 gallons of gas what is the mileage per gallon

Mathematics

1 answer:

kirza4 [7]3 years ago

4 0

37.5 if you divide 450 by 12

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Explain why the product of a nonzero rational number and an irrational number is irrational

spayn [35]

Answer:

If you multiply any irrational number by the rational number zero, the result will be zero, which is rational. Any other situation, however, of a rational times an irrational will be irrational.

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3 years ago

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slava [35]

Answer:

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3 years ago

Simplify each of the expression (x-7)(x+3)

emmainna [20.7K]

Answer:

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Step-by-step explanation:

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2 years ago

If the test is worth 50 and you score 84% how many questions did you get wrong? Write the proportion?

quester [9]

You got 8 questions wrong.

10% of 50 is 5.
x8 x8
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80% of 50 is 40.
84% of 50 is 42.

50-42= 8 questions wrong.

8 0

3 years ago

Read 2 more answers

Simplify the rational expression. State any restrictions on the variable.

ExtremeBDS [4]

we are given

$\frac{(n^4-10n^2+24)}{(n^4-9n^2+18)}$

Firstly, we will factor numerators and denominators

$\frac{(n^4-10n^2+24)}{(n^4-9n^2+18)}=\frac{(n^2-6)(n^2-4)}{(n^2-3)(n^2-6)}$

we can see that

n^2 -6 is factor on both numerator and denominator

so, it will get cancelled

and n^2 -6 can not be equal to 0

so, one of restriction is

$n^2-6\neq 0$

$n\neq -+ \sqrt{6}$

we can simplify it

$\frac{(n^4-10n^2+24)}{(n^4-9n^2+18)}=\frac{(n^2-4)}{(n^2-3)}$

we know that denominator can not be zero

$n^2-3\neq 0$

$n\neq -+ \sqrt{3}$

so, option-B.......Answer

3 0

3 years ago