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Hatshy [7]
3 years ago
9

Simplify the expression. 5/8*(18*3+(-22))+(-45)

Mathematics
1 answer:
lubasha [3.4K]3 years ago
3 0
Using PEMDAS
(Parenthesis)(Exponents)(Multiplication/Division)(Addition/Subtration)
So:
\frac{5}{8} * ((54-22)-45) =  \frac{5}{8}*(32-45) =  \frac{5}{8}(-13)
=  \frac{-65}{8}= -8.125
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X*2+1=10 then x=? Tell me the value of x
Trava [24]

Answer:

<h2>4.5</h2>

Step-by-step explanation:

x \times 2 + 1 = 10

2x +  1 = 10

Move constant to R.H.S and change its sign

2x = 10 - 1

Subtract the numbers

2x = 9

Divide both sides of the equation by 2

\frac{2x}{2}  =  \frac{9}{2}

Calculate

x = 4.5

Hope this helps..

Best regards!!

6 0
3 years ago
In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle. Find the measure
soldi70 [24.7K]

Given:

In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle.

To find:

The measures of the 2 acute angles of the triangle.

Solution:

Let x be the measure of one acute angle. Then the measure of another acute is (2x+12).

According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees. So,

x+(2x+12)+90=180

3x+102=180

3x=180-102

3x=78

Divide both sides by 3.

x=\dfrac{78}{3}

x=26

The measure of one acute angle is 26 degrees. So, the measure of another acute angle is:

2x+12=2(26)+12

2x+12=52+12

2x+12=64

Therefore, the measures of two acute angles are 26° and 64° respectively.

8 0
3 years ago
Find the percent of change from the original price of $184 to the sale price of $138.
Rzqust [24]

Answer: 25%

Step-by-step explanation:

184-138= 46

184*.25=46

7 0
3 years ago
Help please!! i have 54:40 left!
DanielleElmas [232]

Answer:

4/7 (first one)

Step-by-step explanation:

6-(2)/(2)+5=4/7

hope this helps

5 0
3 years ago
Read 2 more answers
2. Find the slope of the line graphed below!<br> Remember<br> Rise<br> Run<br> 10
Ivenika [448]

Answer:

-1/3

Step-by-step explanation:

4 0
3 years ago
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