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3 years ago

15

Explain how you use a net to find the surface area of a prism.

1 answer:

weeeeeb [17]3 years ago

5 0

Answer:

Hello, Here is your answer.

Finding the areas of each of the rectangles and squares of the net of a rectangular prism and adding up those areas gives the surface area or total surface area of the prism. For example, if the length of one side of the cube 4 units then the area of one its face is 4 × 4 = 16 square units.

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Give the equation of the circle centered at the origin and passing through the point (0,-8)

Norma-Jean [14]

Answer:

The answer to your question is x ² + y² = 64

Step-by-step explanation:

Process

1.- Find the length of the radius

C (0, 0)

P (0, -8)

d = $\sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2} }$

d = $\sqrt{(0- 0)^{2}+ (-8 - 0)^{2} }$

d = $\sqrt{64}$

d = 8

2.- Find the equation of the circle

$(x - h)^{2} + (y - k)^{2} = r^{2} \\$

h = 0 and k = 0

$(x - 0)^{2} + (y - 0)^{2} = 8^{2}$

x² + y² = 64

5 0

3 years ago

Find the following product.<br> (4a +6) (3a? - 3a+6)<br> (4a + 6) (3a2- 3a +6) =

katen-ka-za [31]

Answer:

12a^3+6a^2+6a+36

Step-by-step explanation:

Sana makatulong!

3 0

2 years ago

Find the unknown angle in tye guven figure with reason

Sunny_sXe [5.5K]

Step-by-step explanation:

the opposite angles are always same.

8 0

3 years ago

ryan has a balance of $75 in his savings account and deposits $25 each week. He needs at least $300 to buy the gift he wants for

horsena [70]

Answer:

25x + 75 ≥ 30

Hope this helps!

4 0

2 years ago

Please please help me ! I’m on my final part of the test and I need to finish this question ! I will mark you as brainliest!!

Fittoniya [83]

Answer:

90°

i went on a whim and guessed it was a right angle, sorry I can't provide reasoning! but it is for sure 90°

Step-by-step explanation:

14x + 5 + 90 = 165

14x + 95 = 165

-95 -95

14x = 70

/14 /14

x = 5

14(5) + 5 +90 = 165

70 + 95 = 165

165 = 165

8 0

3 years ago