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Alexeev081 [22]
4 years ago
14

3(6+3(8*5-17) please help me

Mathematics
2 answers:
Finger [1]4 years ago
7 0

Equation:

3(6 + 3) * (8 * 5 - 17)

Follow the rules of PEMDAS and solve:

(18 + 9) * (40 -17)

(27) * (23) = <u>621</u>

Varvara68 [4.7K]4 years ago
4 0

Answer:

\huge\boxed{225}

Step-by-step explanation:

PEMDAS

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

First thing you do is parenthesis.

\displaystyle(8*5-17)

\displaystyle8*5=40

\displaystyle40-17=23

\displaystyle6+3*23

Then multiply from left to right.

\displaystyle 3*23=69

Add from left to right.

\displaystyle69+6=75

3*75

Multiply from left to right to find the answer.

\displaystyle 3*75=225

\displaystyle 225, which is our answer.

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Which ordered pairs are solutions to the inequality 2x-y&gt;1?
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Any points in the shaded region including (2,-2) and (-3,-8)

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8 0
4 years ago
If three quarters of a number decreased by twenty is equal to eighty two, what is that number?
Studentka2010 [4]

A number is :

x

_________________________________

Three quarters of it means :

\frac{3}{4}x \\

_________________________________

Decrease by 20 means :

\frac{3}{4}x - 20 \\

_________________________________

Equals to 82 means :

\frac{3}{4}x - 20 = 82 \\

_________________________________

What is that number ?

x asked so we must solve the above equation for x.

Let's do it....

\frac{3}{4}x - 20 = 82 \\

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\frac{3}{4}x = 82 + 20 \\

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Multiply sides by 4

3x = 102 \times 4

Divided sides by 3

x =  \frac{102 \times 4}{3} \\

x =  \frac{102}{3} \times 4 \\

Simplify

x = 34 \times 4

x = 136

So that number is 136 .

_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

5 0
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