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Aneli [31]
3 years ago
14

Find the surface area of the prisim

Mathematics
1 answer:
Rufina [12.5K]3 years ago
6 0

Answer: 180 cm²

Step-by-step explanation:

You  calculate the surface area of the prism as following:

1- The surface area of both right triangles:

SA_{t}=2(\frac{b*h}={2}= 2(\frac{12cm*5cm}{2})=60cm^{2}

(The sum of the surface area of both triangles).

2- The surface area of the rectangles:

SA_1=5cm*4cm=20cm^{2}\\SA_2=4cm*13cm=52cm^{2}\\SA_3=12cm*4cm=48cm^{2}

3. Add all the areas.

The result is:

SA=60cm^{2}+20cm^{2}+52cm^{2}+48cm^{2}=180cm^{2}

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Svet_ta [14]

Answer:

B. A sample in which the subjects themselves decide whether to be included in the study.

Step-by-step explanation:

In other words a voluntary response sample is a sample made up of volunteers o people who choose to be inlcuded.

5 0
3 years ago
PLEASE HELP!!
olga_2 [115]

The value of a = 2.17 and b = 1.95.

<h3>What is regression line?</h3>

A regression line is a graphic representation of the regression equation expressing the hypothesized relationship between an outcome or dependent variable and one or more predictors or independent variables;

y=2.01*1.93^{x}

Correlation:

r=0.964

R-squared:

r²=0.9292

Hence, value of a and b is 2.17 and 1.95.

learn more about regression line here:

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8 0
2 years ago
What is the distance from L1 to D? That is, what is the measure of the line segment L1D? Hint: review the diagram in "The Race C
velikii [3]

A line segment in geometry is the part of a line which is bounded by two distinct end points.

<h3>What is line segment?</h3>

Your information is incomplete. Therefore, an overview will be given. A line segment simply means a part of a line that has two endpoints.

A line segment contains end points and the points if the line that's between them. A segment is typically named by two endpoints like AB.

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6 0
2 years ago
Can some one helppppppppppp
alexdok [17]

Answer:

66 ft

Step-by-step explanation:

L ∝ n

L = kn , k -> number of sections

Length of 3 sections=  18 ft

3n = 18

 n = 18/3

n = 6 ft

Length of 1 section of fence = 6 ft

Length of 11 sections of fence = 6* 11 = 66 ft

5 0
3 years ago
Read 2 more answers
Please help , i dont get this at all literally at all
dlinn [17]

Answer:

The total angle (Angle FGH) = 141 degrees

Angle 1 = 59 degrees

To find this, all you need to do is subtract 59 degrees from 141 degrees.

Because Angle 1 and Angle 2 make up Angle FGH, which - 141 degrees.

141 degrees is your (considered) total amount of degrees, and 59 degrees is apart of it. So, 141 - 59 = 82 degrees.

Angle 2 = 82 degrees.

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
5 0
3 years ago
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