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ololo11 [35]
3 years ago
5

Simplify the following expression: 5(2x-4)-4(2-5x)

Mathematics
1 answer:
USPshnik [31]3 years ago
8 0

Answer:

30x - 28

Step-by-step explanation:

distribute

5(2x) - 5(4) -4(2) - 4(-5x)

10x - 20 - 8 + 20x

30x - 28

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Work out<br> 8x1/3<br><br> Give your answer as a mixed number.
Tatiana [17]

2 2/3

Step-by-step explanation:

multiply eight times one

it will be eight over three

the divide eight by three and put in a mixed number

7 0
3 years ago
What is an example of a commutative property
pochemuha

Answer:

B. -13 + 27 = 27 + (-13)

Step-by-step explanation:

HOPE IT HELPS YA

6 0
3 years ago
Read 2 more answers
Evaluate.<br><br> 10*10+6⋅7+8<br><br><br> 70<br><br> 142<br><br> 150<br><br> 190
algol [13]

Hi there! :)

<em><u>Answer:</u></em>

<em><u>=150</u></em>

<em><u>*The answer must have a positive sign.*</u></em>

Step-by-step explanation:

<h2><u><em>Lesson: Order of operations</em></u></h2>

Stands for:

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

Left to right.

First, you do multiply from left to right.

10*10=100

100+6*7+8

6*7=42

100+42+8

Then, you add from left to right.

100+42+8

100+42=142

142+8=150

<u><em>Final answer is 150</em></u>

I hope this helps you!

Have a nice day! :)

-Charlie

:D

8 0
3 years ago
What is the value of y?
Fiesta28 [93]

Answer:

y = 126.43

Step-by-step explanation:

Essentially what you have is the Cosine(50)

Cos(50) = adjacent / hypotenuse

adjacent = 122

hypotenuse = ?? = y

Solve

Cos(50) = 122/y         Multiply both sides by y

y*cos(50) = 122         Divide by cos(50)

y = 122 / cos(50)       Find the value of cos(50)

y = 122 / 0.96497     Divide

y = 126.43



6 0
4 years ago
Solve by substitution 5x-y=5 and-4x 5y=17
andriy [413]
I think you r qrong no offense
6 0
3 years ago
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