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katen-ka-za [31]
3 years ago
11

Betty bought a gift a friend. She in a box with the length of 9 inches, width of 13 inches, and the height of 8 inches. What is

the surface area of the box?
Mathematics
1 answer:
ozzi3 years ago
8 0

Answer:

586

to find surface area you have to add the areas of each surface

2(13 × 8) + 2(13 × 9) + 2( 8×9)

586 inches squared

You might be interested in
How many solutions 2x+3y=-3 and 3x + 5y = -9
Sunny_sXe [5.5K]
Since the slopes of the two lines are the not equal, they will have only one solution. The solution will be a point and can be found using the method given below.

We can find the solutions by simultaneously solving the two equations.

From first equation, the value of y comes out to be:

2x+3y=-3 \\  \\ 
3y=-3-2x \\  \\ 
y= \frac{-3-2x}{3}

Using this value of y in second equation, we get:

3x+5( \frac{-3-2x}{3} )=-9 \\  \\ 
9x-15-10x=-27 \\  \\ 
-x=-27+15 \\  \\ 
-x=-12 \\  \\ 
x=12

Using this value of x, we can find y:

y= \frac{-3-2x}{3}= \frac{-3-24}{3} =-9

Therefore, there is only one solution to the given equations is which is (12, -9)
8 0
3 years ago
Bryanna is thinking of two numbers. Their sum is −7. One of the numbers is 11. Write an
Kryger [21]

Answer:

-18 is the answer please brainlist

Step-by-step explanation:

6 0
3 years ago
Jackson has a rope 1 foot 8 inches long. He cuts it into 4 equal pieces. How many inches long is each piece?
mote1985 [20]
1 foot  8 inches.

1 foot = 12 inches.

1 foot  8 inches = 1 foot + 8 inches = 12 inches + 8 inches = 20 inches.

He cuts into 4 equal pieces.

=  20 / 4

= 5 inches.

<span>Each piece would be 5 inches long.</span>
5 0
3 years ago
Henry drew the model below of his yard. He said the perimeter of the yard is 48 feet. He knows that one side is 9 feet wide. How
saw5 [17]

Answer:

15 feets

Step-by-step explanation:

Perimeter of a rectangle = 2(l + w)

l = Length ; w = width

Perimeter, p = 48

Length of all sides

p = 2(l + w)

48 = 2(l + 9)

48 = 2l + 18

48 - 18 = 2l

30 = 2l

l = 30/2

l = 15

Length of the sides = 15 feets

8 0
3 years ago
HELP ME I WILL GIVE BRAINLIEST
Nostrana [21]

Answer:

8760 hours

Step-by-step explanation:

5 0
3 years ago
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