2 years ago

Simplify the expression. -2 4 A. -8 B. 16 C. -16 D. 8

Mathematics

2 answers:

Sonbull [250]2 years ago

8 0

The answer is -8 because -2 * 4

zaharov [31]2 years ago

4 0

What? -2_4. What is inthe middle?

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Simplify y^-3 a.3/y b.1/y^3 c.-3y d.-1/y^3

nignag [31]

Answer:

b. $\frac{1}{y^3}$

Step-by-step explanation:

Here we are given $y^{-3}$ and are asked to simplify it. We are going to apply the law of exponents which says that

$a^{-n}=\frac{1}{a^n}$

Hence applying this rule in our problem we get, where a=y and n=3

$y^{-3}=\frac{1}{y^3}$

Hence our C) Option is correct

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3 years ago

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2 years ago

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2 years ago

7) If £1 = €1.14. Work out what €144 is in pounds.

jonny [76]

Answer:

$126\frac{6}{19}$ £

Step-by-step explanation:

£1 = €1.14 / $*\frac{144}{1.14}$

£ $\frac{144}{1.14}$ =144€= $126\frac{6}{19} \\$ £

8 0

2 years ago

What is -4(x+3)=16-4x

nignag [31]

Answer:

There is no solution

Step-by-step explanation:

-4(x+3)=16-4x

expand

−4x−12=16−4x

cancel out

−12=16

because −12=16 is false there is no solution.

Hope this helps :)

8 0

2 years ago