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3 years ago

1. Which of the following is a true statement?

Mathematics

2 answers:

saw5 [17]3 years ago

4 0

B.taking the cube root of a number is the inverse operation of raising number to the 3rd power

e-lub [12.9K]3 years ago

3 0

maybe leter c

Step-by-step explanation:

bacause its multiplying cube

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Describe a situation that the expression -15÷(-15) can represent

FrozenT [24]

-15 so that is negative. so that is negative 15÷15 so 15 ÷15 is 1 so it would be -15÷-15=-1

7 0

3 years ago

PLEASE HELP WITH EXPLAINING I WILL MARK BRAINIES!!!

Drupady [299]

Answer: 3 mph

Step-by-step explanation:

1. 1/2 mph for 1/2 an hour as they said, meaning that they would've walked for 3 miles kn an hour.

2. 4 and 1/2 miles.

3 + 1 2/4. = 4 1/2

3. 1 3/4 hours.

3 + 2.25 = 5.25

3 x .75 = 2.25

3 miles per hour.

8 0

3 years ago

On peux m'aider svp

Alona [7]

Answer hey i dunno if you still need this but if you did could you translate to english

3 0

2 years ago

2. what value of b makes the following equation true

Svetradugi [14.3K]

Answer:

2. 10

3. D. 1 for all n

Step-by-step explanation:

2. The applicable rules of exponents are ...

(a^b)(a^c) = a^(b+c)

a^b = 1/a^-b

$\dfrac{4^8}{(4^2)^{-3}}\div 4^4=\dfrac{4^8}{4^{-6}\cdot4^4}=\dfrac{4^8}{4^{-2}}\\\\=4^8\cdot4^2=4^{10}$

The value of n is 10.

3. Using the above rules of exponents, the expression simplifies to ...

6^(-n+n) = 6^0 = 1

The value is 1 for any n.

4 0

3 years ago

Factorise 3x^2-22x+7

Svet_ta [14]

Answer:

(3x+7)(x+5)

Step-by-step explanation:

i think lol

3 0

3 years ago