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stepladder [879]
3 years ago
12

29 80 60 NOTE: Angles not necessarily drawn to scale. *HELP NEEDED*

Mathematics
1 answer:
Schach [20]3 years ago
8 0

Step-by-step explanation:

Hope it helps.

Please rate and mark as brainlist.

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What is the complementary angle of 15​
Igoryamba

Answer:

step by step

Step-by-step explanation:

90 degrees is complementary

4 0
3 years ago
A triangular pyramid has lateral faces with bases of 6 meters and height of 9 meters. The area of the base of the pyramid 15.6 m
jasenka [17]
To find surface area, you can find the area od all sides and add them together
First, area of an triangle is 1/2 length times width
So you do 1/2 6*9= 1/2 54=  27  The area of the three triangles are 27
27 times 3 is  81
81 plus the base of 15.6 is 96.6
The surface area is 96.6 meters squared

7 0
3 years ago
A rectangular prism has a volume of 137.54ft the length is 2.3 feet and the height is 13 feet. Write and solve an equation to de
patriot [66]
All you have to do is multiply 2.3 by 13 together to get 29.9. Then you would subtract that by the total volume which would get 107.64. That's the width.
6 0
3 years ago
on Thursday, 30 students went to after-school tutoring. On Friday, 6 students went. What is the percent decrease in the number o
joja [24]
Hey there! :)

The answer is 80%

6 ÷ 30 = 0.2 = 20%

100 - 20 = 80

Hope this helped :)
4 0
3 years ago
Identifying a constant of variation question<br><br> R= ?
jek_recluse [69]
Pressure and Volume are inversely related as:

P= \frac{R}{V}

We can also write it as:

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R is the constant of proportionality. Using the first row of given table, we can write:

2(4.155)=R \\  \\ &#10;R=8.31

Thus, the value of R, the universal gas constant is 8.31
4 0
3 years ago
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