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3 years ago

Which of the following expressions has a value of 4?

Mathematics

2 answers:

balu736 [363]3 years ago

3 0

Answer:

-6 ÷ -2 and (-1)(-3)

Step-by-step explanation:

we need to find the expression that gives the value of 3

-6 ÷ -2 , is 3 because negative and negative is positive

4 - (-1), which is not equal to 3

(-1)(-3), negative times negative is positive

(-2) - 1, which is not equal to 3

15 ÷ -5 ,, not equal to 3

4 + 1,

-6 ÷ -2 and (-1)(-3) gives us the value of 3

Read more on Brainly.com - brainly.com/question/11474174#readmore

Step-by-step explanation:

1. -6 ÷ -2 = 3

(Negative divided by a Negative = Positive)

3.(-1)(-3) = 3

(Same rule as division)

As far as im concerned the rest came out to be negative answers or not even 3

bonufazy [111]3 years ago

3 0

Answer:

-6 ÷ -2 (-1)(-3)

Step-by-step explanation:

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3 years ago

Rewrite in simplest radical form square root of x times the fourth root of x. Show each step of your process.

Ipatiy [6.2K]

Answer:

$\sqrt[4] {x^3}$

Step-by-step explanation:

At this point, we can transform the square root into a fourth root by squaring the argument, and bring into the other root:

$\sqrt x \cdot \sqrt[4] x =\sqrt [4] {x^2} \cdot \sqrt[4] x = \sqrt[4]{x^2\cdot x} = \sqrt[4] {x^3}$

Alternatively, if you're allowed to use rational exponents, we can convert everything:

$\sqrt x \cdot \sqrt[4] x = x^{\frac12} \cdot x^\frac14 = x^{\frac12 +\frac14}= x^{\frac24 +\frac14}= x^\frac34 = \sqrt[4] {x^3}$

5 0

2 years ago

Simplify the following rational expression and express in expanded form.

VladimirAG [237]

Answer:

D m = $-\frac{3}{8}$

Step-by-step explanation:

factor the expressions in the denominator and the numerator to simplify the expression:

=> $\frac{2(-2m + 1)(2m - 1)}{2(2m - 1)(8m + 3)}$

=> $-\frac{2m + 1}{8m + 3}$

to make a fraction undefined, the numerator should be 0, thus, we substitute the values of m from the options into the denominator to make the denominator equals to 0:

=> $-\frac{2m + 1}{8(-\frac{3}{8} ) + 3}$ = $-\frac{2m + 1}{-3 + 3}$ = $-\frac{2m + 1}{0}$

in this case, the values of m from option D make the denominator of the fraction equals 0.

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3 years ago

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4 years ago

At a school, 1 out of every 3 girls who tried out for basketball made the

nikdorinn [45]

Answer:

1:2

Step-by-step explanation:

because only one gets into the team

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8 0

3 years ago