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4 years ago

I need to know the answer please

Mathematics

1 answer:

Sunny_sXe [5.5K]4 years ago

5 0

4 square root of 66 gh^2

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Pls help due in 10 minutes!!!!!!!!!!!!!!1

AlladinOne [14]

Answer:

Step-by-step explanation:

Given expression:

$27 \cdot \left(\left(3^3\right)^{-1}\right)$

Following the <u>order of operations</u>, carry out the operations inside the parentheses first:

$\implies 27 \cdot \left(\left(3 \cdot 3\cdot 3\right)^{-1}\right)$

$\implies 27 \cdot \left(27^{-1}\right)$

$\textsf{Apply exponent rule} \quad a^{-n}=\dfrac{1}{a^n}:$

$\implies 27 \cdot \left(\dfrac{1}{27^1}\right)$

$\implies 27 \cdot \left(\dfrac{1}{27}\right)$

Convert 27 to a fraction:

$\implies \dfrac{27}{1} \cdot \dfrac{1}{27}$

Cross cancel the common factor:

$\implies \dfrac{\diagup\!\!\!\!\!27}{1} \cdot \dfrac{1}{\diagup\!\!\!\!\!27}$

$\implies \dfrac{1}{1}$

$\implies 1$

5 0

2 years ago

Which phrase could be represented by this expression?

malfutka [58]

Answer:

eight more than a fifth of a number

Step-by-step explanation:

k/5 is one-fifth of a number. When 8 is added to it, the result is ...

eight more than a fifth of a number

_____

There is no multiplication by 5, so any phrasing with "five times" is incorrect.

The one-fifth multiplier is applied only to k, not to any sum.

8 0

3 years ago

I don’t know the answer or how to do this, help!

makvit [3.9K]

Answer:

Step-by-step explanation:

y = x^2 - x - 12

y = (x-4)×(x+3) that means x it either 4 or -3

y = x + 3

for x = 4 ➡ y = 3+4 ➡7

for x = -3 ➡ y = -3 + 3➡0

(the answer key is most probably faulty there's no way for y to be 0 in both scenarios)

6 0

3 years ago

Can anyone help me with the ones I got wrong I need help please

harkovskaia [24]

I can read it take a better picture

4 0

4 years ago

The calories , c, in a snack and the amount of the snack , a ... How do u identity the dependent variable and the independent va

zepelin [54]

A would me independent… because the amount of calories you have depends on the amount of food you have

3 0

2 years ago