3 years ago

To simplify the expression 3+5×3-8÷4

Mathematics

1 answer:

oee [108]3 years ago

5 0

Answer:

5x3

Step-by-step explanation:

this is the first step

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McKenzie has her two books including 12 books by her favorite author. Express as a decimal the number of books by her favorite a

lisov135 [29]

Answer:

0.1666666666666666666666666....

The decimal is repeating because it goes on forever and never ends.

Step-by-step explanation:

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2 years ago

What is -4x+4y=12 in elimination

Alborosie

I might be wrong but don’t you need two equations to do the elimination process?

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2 years ago

What is the value of x in the equation 2x + 1/2x + 2(1+x) = 29?

erica [24]

Answer:

Step-by-step explanation:

$2x + \frac{1}{2} x + 2(1 + x) = 29$

Multiply through by 2

That's

$4x + x + 4(1 + x) = 58$

<u>Expand</u>

That's

5x + 4 + 4x = 58

9x = 58 - 4

9x = 54

Divide both sides by 9

That's

$\frac{9x}{9} = \frac{54}{9}$

We have the final answer as

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2 years ago

For a population with a mean of u = 40 and a standarddeviation of o = 8, find the z-score corresponding toeach of the following

ivann1987 [24]

Solution:

Given the mean and standard deviation;

$\mu=40,\sigma=8$

The z-score formula is;

$z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

(a)

$\begin{gathered} x=34,n=1 \\ \\ z=\frac{34-40}{\frac{8}{\sqrt{1}}} \\ \\ z=-0.75 \end{gathered}$

(b)

$\begin{gathered} x=34,n=4 \\ \\ z=\frac{34-40}{\frac{8}{\sqrt{4}}} \\ \\ z=-1.5 \end{gathered}$

(c)

$\begin{gathered} x=34,n=16 \\ \\ z=\frac{34-40}{\frac{8}{\sqrt{16}}} \\ \\ z=-3 \end{gathered}$

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1 year ago

One letter is selected from the word " UNNECESSARY" .Find the probability of (a)an 'R' (b)an'E' (c)an 'O' (d)a 'C

Alona [7]

Answer: A. 1/11

B. 2/11

C. 0

D. 1/11

Hope this helps!

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2 years ago

To simplify the expression 3+5×3-8÷4​

To simplify the expression 3+5×3-8÷4