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Nastasia [14]
3 years ago
6

I need an answer to this question please

Mathematics
2 answers:
Maksim231197 [3]3 years ago
7 0
D. 5 faces, 5 vertices, 8 edges!
vekshin13 years ago
5 0
First,, let's count how many vertexes our figure has. To find this out,, we need to count how many corners the figure has. On the bottom of the figure we have 4 vertexes,, and on the top we have 1 vertex which means we have 5 total vertexes. Now lets count how many faces our figure has. Since it is a 3D shape,, we have one face on the bottom and 4 faces around the triangle. This tells us that we have 5 faces. Finally,, we can count the edges by looking at lines of our triangle. Edges are the long corner lines that lead to the tip of the triangle,, which means that we have only 4 edges. This means that we have 5 faces,, 5 vertices,, and 4 edges making the correct answer option C.
Let me know if you have any further questions.
:)
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Write the equation of the line in slope-intercept form.
Alex Ar [27]
The answer is B.
Slope-intercept line is written as:
y=mx+b
m=slope
b=y-intercept
4 is the y-intercept because the line crosses the y-axis at 4.
The slope is -2 over 5, because slope is written as y over x.
So, if you start at the point at the 4, count 2 spaces down and 5 spaces right. The line crosses the point exactly, which is how you know the slope is accurate.
5 0
3 years ago
NO LINKS PLEASEEEEEEE
Sedbober [7]
The answer would be 6. 21/3.5=6
6 0
3 years ago
Read 2 more answers
What is the simplified form of each expression?<br>1.7m + 6.5n - 4n + 2.rn^2 - n
Alona [7]

1. 7m² + 6.5n - 4n + 2.5m² - n

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    9.5m² + 2.5n - n

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4 0
4 years ago
There were 56 runners to start a race. In the first half of the race, h of them dropped out. In the second half of the race, z o
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Answer:

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7 0
3 years ago
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2 of the walls are 14 ft by 9 ft....
A = L * W
A = 14 * 9 = 126 sq ft.....and since there is 2 of them...2(126) = 252 sq ft

2 of the walls are 20 ft by 9 ft
A = L * W
A = 20 * 9
A = 180 sq ft....and since there are 2 of them ..2(180) = 360 sq ft

so for all 4 walls, we have : 252 + 360 = 612 sq ft

54 * 11 = 594 sq ft...so we need 11 double rolls...which costs 11(40) = $ 440
18 * 1 = 18 sq ft ....and we need 1 single roll...which costs $ 20

so we have 612 sq ft to cover....11 double rolls cover 594 sq ft and cost 440...and 1 single roll which covers 18 sq ft and cost 20
for a total cost of : $ 460 <==




8 0
4 years ago
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