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hram777 [196]
3 years ago
9

Two square pyramids have the same volume. The first pyramid has base edge 20 in. and height 21 in. The second pyramid has height

84 in. What is the base edge of the second pyramid?
Mathematics
1 answer:
BaLLatris [955]3 years ago
7 0
Here is the work.......<span>Vof Pyramid=1/3*b^2*h V1=V2 1/3*(20)^2*21=1/3*b*84

your answer is 10.....I know it has to be one of your option......rate this answer please!</span>
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The average wage for an electrician in CA is $25.47/hour. That is 11% above the national average. What is the national average?
romanna [79]

Answer:

$22.95

Step-by-step explanation:

4 0
3 years ago
Brice wants to build a table and put a border around it. The table and border must have an area of 3,006 square inches. The tabl
SVEN [57.7K]
B is the correct answer.

We are adding the border of x thickness to all 4 sides of the table.  This makes the new width of the table 36+x+x = 36+2x and the new length of the table 72+x+x=72+2x.  To find the area, we multiply the length and width:

(36+2x)(72+2x) = 3006

Multiplying the binomials, we get:
36*72 + 36*2x + 2x*72 + 2x*2x = 3006
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Subtract 3006 from both sides:
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4x²+216x-414=0
8 0
4 years ago
Plz need help. I’m stuck on this one
Ghella [55]

Answer:

The product of 3\sqrt{8} (4 \sqrt{3}) is 24\sqrt{6}

The answer is A.

8 0
3 years ago
A square piece of fabric is the side length of 3.2 cm find the area of the piece of the fabric
Sauron [17]

The area of square fabric piece is 10.24 cm^2

Step-by-step explanation:

Square is a four-sided shape where all sides are equal. The area of square is calculated by using its side.

Given

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The area of square is given by:

Area = A = s^2

Putting s= 3.2

Area = (3.2)^2\\= 10.24\ cm^2

Hence,

The area of square fabric piece is 10.24 cm^2

Keywords: Square, area

Learn more about area of square at:

  • brainly.com/question/8224301
  • brainly.com/question/8180193

#LearnwithBrainly

7 0
3 years ago
Slope intercept form -6×+3y=9
Mars2501 [29]

Answer:

m=-3 b=6

Step-by-step explanation:

3y= -6x + 9

divide everything by 3

y=-3x+6

m=-3 b=6

4 0
4 years ago
Read 2 more answers
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