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ss7ja [257]
3 years ago
15

A gift in a cubic box with 12 in. edge lengths needs to be wrapped. How many square inches of wrapping paper will be needed to c

over the box? 36 in² 72 in² 144 in² 864 in²
Mathematics
2 answers:
Komok [63]3 years ago
8 0
864 in^2 as total surface area of the cube= 6 x side^2 = 6 x 12 x 12 in^2
anzhelika [568]3 years ago
4 0

Answer: It was right. 864 in2 is right. I just took the quiz and got a 100%

Step-by-step explanation:

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What are the x and y intercepts of this problem y=-3/8x-9
likoan [24]

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y=-3/8.0-9 y=1/3 y intercept and for the x intercept is zero

Step-by-step explanation:

3 0
3 years ago
What’s bigger 10 to the -11 power or 10 to the -9 power ?
Stella [2.4K]

Answer:

I believe its 10 to the -9th power.

Step-by-step explanation:

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4 years ago
The earth is about 150 million kilometers from the sun. The orbit around the sun is not a perfect circle, but is approximately a
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x² + y² = (150,000,000)² is the answer

Step-by-step explanation:

3 0
3 years ago
One leg of a right triangle is 7 inches longer than the smaller leg and the hypotenuse is 8 inches longer than the smaller leg.
Makovka662 [10]
Smaller leg = x
longer leg = y
hypotenuse = z

y=x+7
z=x+8

due to
{z}^{2}  =  {x}^{2}  +  {y}^{2}  \\ (x + 8) ^{2}  =  {x}^{2}  + (x + 7) ^{2}  \\  {x}^{2}  + 16x + 64 =  {x}^{2}  +  {x}^{2}  + 14x + 49 \\  {x}^{2}  + 16x + 64 = 2 {x}^{2}  + 14x + 49 \\  {x}^{2}  - 2 {x}^{2}  + 16x - 14x + 64 - 49 = 0 \\  -  {x}^{2}  + 2x + 15 = 0 \\  {x}^{2}  - 2x - 15 = 0 \:  \: (multiplied \: by \:  - 1) \\ (x - 5)(x + 3) = 0 \\ then \:  \: x = 5 \:  \: or \:  \: x =  - 3
but x cannot be -3
so smaller leg is 5 inches

then longer leg = 5+7 = 12 inches
and hypotenuse = 5+8 = 13 inches
3 0
3 years ago
Calculate the distance between the points C=(-7, 7) and M=(-2, 3) in the coordinate plane.
pishuonlain [190]

Answer:

d = Sqrt 41 = 6.4

Step-by-step explanation:

d = sqrt [(x-x)^2 + (y-y)^2]

d = sqrt [(-7 - - 2)^2 + (7-3)^2]

d = sqrt[(-7+2)^2 + (4)^2]

d = sqrt [(-5)^2 + (4)^2]

d= sqrt (25 + 16)

d = sqrt 41 = 6.4

6 0
3 years ago
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