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Irina18 [472]
4 years ago
8

How do you find the value of X?

Mathematics
2 answers:
GenaCL600 [577]4 years ago
6 0
X + 10 + x + 20 = 180


2x + 30 = 180 


2x = 150


x = 75


A straight line is equal to 180 degrees so you set the equation equal to 180 and use algebra to solve for x. Hope this helps!
sammy [17]4 years ago
3 0

A straight line is equal to 180 degrees so you set the equation equal to 180 and use algebra to solve for x.

th answer is 180


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Is this in scientific notation? Thank you!
kari74 [83]
No because the number has to be between 1 and 10 so it should be 2.6x10^3
5 0
3 years ago
The red strip will be cut into <br>pieces that are 1/2 foot long. How many pieces will there be?
SashulF [63]

15 pieces will there be.

<h3> How many pieces will there be?</h3>

 .5 is the same as  1/2, while 7.5 is the same as 7 1/2. To determine how many strips may be cut, use the following expression:

.5x = 7.5

This is due to the fact that the ribbon length that has to be cut is .5 feet, and we are attempting to determine how many pieces of that length might be cut from a roll of ribbon that is 7.5 feet long.

Divide both sides by 2.5 to separate the variable, and that's all there is to it.

7.5/.5 is 15.

x = 15.

Eli is able to slice a ribbon into three pieces that are each .5 feet long.

The complete question is: The red strips that are  1/2 feet long. The roll of ribbon is 7 1/2 feet long. Which expression could be one of the steps in determining how many strips can be cut?

To learn more about length refer to:

brainly.com/question/7221283

#SPJ1

7 0
1 year ago
How would u find 4 1\5 divided by 2 1\3
Over [174]
Remmber
(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)
conver to improper

4 and 1/5=20/5+1/5=21/5
2 and 1/3=6/3+1/3=7/3

(21/5)/(7/3)=(21/5)(3/7)=63/35=9/5=1 and 4/5
3 0
3 years ago
Read 2 more answers
Find the area of the circle.<br> r = 14 m<br> Round answer to the nearest tenths,<br> am
Xelga [282]

Answer:

615.8

Step-by-step explanation:

7 0
3 years ago
The Monument in Santiago measures 175 meters. A child measures 87.5 centimeters. How much is the Monument taller than the child?
Sedbober [7]

Answer:

The Monument is taller than the child by 174.125 meters

Step-by-step explanation:

The Monument in Santiago measures 175 meters. A child measures 87.5 centimeters.

Step 1

Convert child's height to meters

100cm = 1 m

87.5 cm = x

Cross Multiply

100cm × x = 87.5 cm × 1m

x = 87.5 cm × 1m/100cm

x = 0.875m

Step 2

How much is the Monument taller than the child?

This is calculated by subtracting Child's height from Monument height

= 175 m - 0.875m

= 174.125 m

Therefore, the Monument is taller than the child by 174.125 m

3 0
3 years ago
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