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dedylja [7]
3 years ago
6

TO DETERMINE THE AMOUNT OF WRAPPING PAPER NEEDED FOR A RECTANGULAR BOX, RYAN FINDS THE SURFACE AREA OF THE BOX. HOW MUCH WRAPPIN

G PAPER IS NEEDED IF THE BOX MEASURES 11 cm by 2 cm by 4 cm?
Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0

Answer:

288

Step-by-step explanation:

A=2(11*4+11*7+4*7)

A=2(44+77+28)

A=2(149)

A=298 inches^{2}

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Reese read twice as many pages Saturday than she read Sunday. If she read a total of 78 pages over the weekend, how many pages d
eimsori [14]

Given:

Reese read twice as many pages Saturday than she read Sunday.

She read a total of 78 pages over the weekend.

To find:

The number of pages she read on Sunday.

Solution:

Let x be the number of pages she read on Sunday.

Reese read twice as many pages Saturday than she read Sunday. So, the number of pager she read on Saturday is 2x.

Total number of page she read over the weekend is:

Total=x+2x

Total=3x

She read a total of 78 pages over the weekend.

3x=78

x=\dfrac{78}{3}

x=26

Therefore, Reese read 26 pages on Sunday.

3 0
3 years ago
Un edificio proyecta una sombra de 7.5m.mientras que un arbol que mide 1.6 m de altura proyecta una sombra 1.85 M¿Cual es la alt
sattari [20]

Answer: The height of the building is 6.49 meters.

Step-by-step explanation:

This can be translated to:

"A building projects a 7.5 m shadow, while a tree with a height of 1.6 m projects a shadow of 1.85 m.

Which is the height of the building?"

We can conclude that the ratio between the projected shadow is and the actual height is constant for both objects, this means that if H is the height of the building, we need to have:

(height of the building)/(shadow of the building) = (height of the tree)/(shadow of the tree)

H/7.5m = 1.6m/1.85m

H = (1.6m/1.85m)*7.5m = 6.49m

The height of the building is 6.49 meters.

5 0
2 years ago
27 is 72% of what number?
NNADVOKAT [17]

Answer:

37.5

Step-by-step explanation:

37.5 · 0.72 = 27

5 0
2 years ago
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What is the value of x?<br> (x + 40)<br> (3x)"<br> R<br> 20<br> 35<br> 60<br> 70
vfiekz [6]

Answer:70

Step-by-step explanation:

7 0
3 years ago
41/19 as a decimal rounded to the nearest hundredth
Novay_Z [31]

41/19 as a decimal is 2.157895

the nearest hundredth: 2.16

7 0
2 years ago
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