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3 years ago

3 to the −1 power ⋅(4⋅6)⋅2 to the −3 power

Mathematics

1 answer:

love history [14]3 years ago

3 0

3^-1 *(24)*2^-3 = 1/3*24* 1/8 =24/24 = 1

formulas used x^-a = 1/x^a

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Which expressions are equivalent to − 56 z + 28 −56z+28minus, 56, z, plus, 28? Choose 2 answers: Choose 2 answers: (Choice A) A

Dmitrij [34]

Answer:

$(D)-2(28z-14) \: and\:\\(E) -7(8z-4)$

Step-by-step explanation:

We are to determine which of these expressions are equivalent to: $-56 z + 28$

$(A)\frac{1}{2}\cdot(-28z+14) \\(B)(-1.4z+0.7)40\\(C)(14-7z)\cdot(-4)\\(D)(8z-4)(-7)\\(E)-2(-28z-14)$

$-56 z + 28$

If we factor out -2

$-56 z + 28=-2(\frac{ -56 z}{-2} + \frac{28}{-2})=-2(28z-14)$

If we factor out -7

$-56 z + 28=-7(\frac{ -56 z}{-7} + \frac{28}{-7})=-7(8z-4)$

Therefore, the two equivalent expressions are:

$-2(28z-14) \: and\: -7(8z-4)$

5 0

2 years ago

Shelly ordered the following items below for herself and 5 teammates:

MaRussiya [10]

Answer:

Step-by-step explanation:

5 0

2 years ago

Given f(x)= 3x+21. A. F(4)=B. F(X)= 50, X=2. C. F(-5)=D. F(X)= -34, X=

nignag [31]

The given function is

$f(x)=3x+2$

A . f(4) means we have to evaluate the function when x = 4.

$f(4)=3(4)+2=12+2=14$ <h2>Therefore, f(4) = 14.</h2>

B. f(x) = 50 means we have to evaluate the function when y = 50.-

$\begin{gathered} 50=3x+2 \\ 50-2=3x \\ x=\frac{48}{3} \\ x=16 \end{gathered}$ <h2>Therefore, f(16) = 50.</h2>

C. f(-5) means we have to evaluate the function when x = -5.

$f(-5)=3(-5)+2=-15+2=-13$ <h2>Therefore, f(-5) = -13.</h2>

D. f(x) = -34.

$\begin{gathered} -34=3x+2 \\ -34-2=3x \\ x=\frac{-36}{3} \\ x=-12 \end{gathered}$ <h2>Therefore f(-12) = -34.</h2>

4 0

1 year ago

PLEASE HELP I CANT SOLVE THIS

vladimir2022 [97]

Formula for volume = length × width × height

21 * 7 = 147

9 1/3 = 28/3

147 * 28 /3 = 4116/3

Simplify :

4116/3 = 1372

Volume = 1372 cm³.

Hope this helped☺☺

8 0

3 years ago

Read 2 more answers

The ratio of men to womenworking for a company is 3 to 2. If there are 54 women working for the company, what is the total numbe

e-lub [12.9K]

Solution:

Men:Woman = 3:2
54 women = Total woman in a company

<u>3:2 can also be written as 3x:2x.</u>

=> Men:54 = 3x:2x
=> 54 = 2x
=> x = 27
=> Men = 3x
=> Men = 3(27) = 81
=> Total employees: 81 + 54
=> Total employees: 135

There are 135 employees in total.

5 0

2 years ago

Read 2 more answers