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Mice21 [21]
3 years ago
5

Helena wants to paint a box in the shape of a cube with sides that are 18 inches long. what is the surface area that Helena will

paint?
Mathematics
1 answer:
yan [13]3 years ago
5 0

Answer:

1944 Inches Squared

Step-by-step explanation:

Surface area Formula for a Cube:

A = 6a^2

The "edge", which is also the side, is 18 inches.

a = 18

Solve the formula.

A= 6a^2 = 6(18)^2 = 6 * 18^2\\18^2 = 324\\324 * 6 = 1944\\A=1944

The cube's surface area should be 1944 square inches.

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P=2a+b+c solve for c
Harman [31]
P = 2a + b + c

Subtract 2a + b on both sides

c = P - (2a+b)
c = P - 2a - b

Hope that helps :)
4 0
4 years ago
4+(6+27) identify the property you used
victus00 [196]
First do 27 + 6 and then you were at 4 and get your answer + 27 + 6 is 33 then I have four and that is 37 and that's your answer
3 0
3 years ago
Need help asap please!!<br> This is the only one i don’t know i’m stuck!
lyudmila [28]

Answer:

Reminder that is this form  a(b)^x  where  a > 0

When   b > 0  but < 1 that is a decay function

When   b > 1 than its a growth function

Step-by-step explanation:

So following this you can figure out the answer

g(x)=0.3(x)      

this is neither since there is no exponent (linear)

H=72(56)^t    

this is growth since b  = 56

A=(43)^t        

this is growth since b  = 43 ("a" is understood as "1")

H=5.9(0.82)^t      

this is decay since b =  0.82

y=0.8(3.6)^t      

this is growth since b = 3.6

f(t)=0.72(15)^t    

this is growth since b  = 14  

A=49(8)^t      

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6 0
3 years ago
Find the difference, –8 – (–5). Then check your work by writing the equivalent addition sentence.
pav-90 [236]

Answer:

-3

Step-by-step explanation:

double negative = positive so the equation turns into -8+5. add 5 by going 5 spaces closer to 0 on a number line. the answer is -3.

another equation is -3-5=-8

hope this helped! =)

4 0
2 years ago
If MTV is reflected across the y-axis what are the resulting coordinates of points
inna [77]

Answers

M = (2, 5)Therefore M' = (-2, 5) [A]

Step-by-step explanation:

✍️✍️✍️by:- jay

7 0
2 years ago
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