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vredina [299]
2 years ago
12

Convert the following mixed number to an improper fraction: 8 4/7

Mathematics
2 answers:
Leokris [45]2 years ago
7 0

Answer:

=\frac{60}{7}

Step-by-step explanation:

Given the following question:

8\frac{4}{7}

In order to convert the mixed number into an improper fraction multiply the denominator by the whole number and then add the numerator. While of course keeping the denominator the same.

8\frac{4}{7}
8\frac{4}{7}=7\times8=56+4=60=\frac{60}{7}
=\frac{60}{7}

Your answer is indeed "60/7."

Hope this helps.

dusya [7]2 years ago
4 0

Answer:

60/7

Step-by-step explanation:

8x7=56

56+4=60

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-3(10+-5)/(10-(-5))^2
marysya [2.9K]

Answer:

Step-by-step explanation:

-3(10 + (-5) / (10 - (-5))^2 =

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3 years ago
What are the roots of the quadratic equation 2x2+7x+4=0? Select all that apply.
skad [1K]

Answer:

option A and B

x=\frac{-7+\sqrt{17}} {4}

and

x=\frac{-7-\sqrt{17}} {4}

Step-by-step explanation:

we have

2x^2+7x+4=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

2x^2+7x+4=0

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a=2\\b=7\\c=4

substitute in the formula

x=\frac{-7\pm\sqrt{7^{2}-4(2)(4)}} {2(2)}

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2 years ago
Which choices are equivalent to the exponential expression below? Check all that apply. (4/5)^3​
VladimirAG [237]

Answer:

A, C, D

Step-by-step explanation:

Remember: Exponents are simply repeated multiplication.

The exponent determines how many times to multiply the base number by itself.

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Option D applies because:

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2 years ago
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