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sweet-ann [11.9K]
3 years ago
10

NEED HELP FOR THIS QUICK (WILL SEND MONEY IF DONE)

Mathematics
1 answer:
lilavasa [31]3 years ago
6 0

Answer:

_Area top_= √1/4(a+b+c)(b+c−a)(c+a−b)(a+b−c) + _Area bottom_ √1/4(a+b+c)(b+c−a)(c+a−b)(a+b−c)+ Area lateral =h(a+b+c)

1) Surface Area: 76,017.691

√V=1/4h(a+b+c)(b+c−a)(c+a−b)(a+b−c)

2) Volume: 631,332.519

Volume - given empty space

3) 631,332.519 - 335,954.96= 295,377.559

Percentage of 335,954.96 in 631,332.519=

Bonus Question) 53.21%

Step-by-step explanation:

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(3x-4)(x+5)= I need help with this fast
natali 33 [55]

Answer:

3x^2+11x-20

Step-by-step explanation:

step 1 3x(x+5)-4(x+5)

step 2 3x(x+5)-4(x+5)= 3x^2+15-4(x+5)

step 3 3x^2+15x-4x+20

4 0
3 years ago
Solve: (x + 5)^2 + 15 = 64
Anna [14]
(x + 5)^{2} + 15 = 64   Subtract 15 from both sides
<span>(x + 5)^{2} = 49   Find the square root of both sides to cancel out the </span>(x + 5) ^{2}
x + 5 = 7   Subtract 5 from both sides
x = 2
<span>
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3 0
3 years ago
A square is cut into two congruent triangles by drawing the diagonal between two corners. If the area of each triangle is 162 cm
Pavel [41]
Ok so area=162
since the triangles sides were cut out of a square, base=height
area=1/2bh=162
b=h
area=1/2b^2=162
times 2 both sides
b^2=324
sqrt both sides
b=18=h
the legnth of one side is 18cm
see diagram

another way, is total aera of square=areas of  both triangles=162+162=324
remember area of square=side^2 so
324=side^2
sqrt both sides
18=side

answer is 18cm

5 0
3 years ago
Select the equation that represents the graph above.
Klio2033 [76]

Answer:

                                                          _

just did the test and got it right its /x + 2

Step-by-step explanation:

just did the test i cant make the simble though but the right answer is the one where the line is only above the x oh wait actually i see your questions know my delete key broke soooo its the 2nd option

5 0
2 years ago
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emmainna [20.7K]
It's going to be a 5.00 dollar bill
7 0
3 years ago
Read 2 more answers
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