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3 years ago

9

explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value. Which property of addition states

that these sums are equivalent?

1 answer:

brilliants [131]3 years ago

5 0

They are able to have the same value as the negative sign is simply transferred to the inside. Either way 4 is being subtracted from 3.

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What is -7 = x/2 + 1

marusya05 [52]

-7 = x/2 + 1

Subtract one from both sides

-8 = x/2

Multiply two on both sides

-16 = x

Answer, x = -16

Checking,

-7 = (-16/2) + 1

-7 = -8 + 1

-7 = -7

7 0

3 years ago

riya obtained the following score (out of 100) in a vocabulary test: 80,85,90,71,60,100. what is her mean score

Greeley [361]

Answer:

85

Step-by-step explanation:

3 0

3 years ago

I really need help on this question <br>7+4÷5b=9÷10b

DerKrebs [107]

The answer is I believe b=70

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3 years ago

if you horizontally shift the square root parent function, F(x) = <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D" id="TexFormu

Juli2301 [7.4K]

ANSWER

$g(x) = \sqrt{x + 4}$

EXPLANATION

The parent square root function is

$f(x) = \sqrt{x}$

The translation

$g(x ) = \sqrt{x + k}$

Will shift the graph of f(x) k units to left.

The translation

$g(x) = \sqrt{x -k}$

will shift the graph of f(x) to the right by k units.

Therefore if f(x) is shifted 4 units to the left its new equation is:

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3 years ago

What is the factorization of the polynomial below? -x^2-15x-54

amid [387]

To factor a polynomial we need to find 2 numbers that add up to -15 and multiply into -54.
(-x -18)(x +3) Will be your answer.

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3 years ago