The area of the base of a prism is 21 cm^2. The perimeter of the base is 20 cm. The height of the prism is 8 cm.What is the surface area of the prism? ___cm^2

Answers

Answer 1

Answer: I believe it is 84 cm^2. It is the only reasonable answer with logic I can come up with.

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Can someone plz help me.

Answers

the 3rd one because you need to find the area of the square and times it by 3.

Arrange the following numbers in ascending order: 2/9, 21%, 4.3 x 10-2, -3/5, 0.023

Answers

2/9=0.223
21%=0.21
4.3x10-2=41
-3/5=-0.6
0.023
arrange these in ascending order and you have
-3/5=-0.6
21%=0.21
0.023
2/9=0.223
4.3x10-2=41

so in ascending order they are
-3/5, 21%, 0.023, 2/9, 4.3x10-2

hope this helps :)

Here are two kinds of apple juice. One kind comes in a paper box. The other kind comes in a glass bottle. How much juice does each container hold? How can different kinds and shapes of containers have the same capacity?

Answers

DjhdgaushsyshahshahjziskskqjshfgfshaisjzbahjJsjahshshdhdhhdhdhdh just doing to for points lol lmaoo

one half liter of lemonade concentrate is added to 3 liters of water. how many 1/3 liter servings of lemonade are made.

Answers

The way I understand this, is that we will have 3 (liters of water) +0.5 (half a liter of lemonade) =3.5 liters of liquid

so the question would be: how many times does $(1)/(3)$ fit into 3.5?

I count this like this:

$(3.5)/( (1)/(3) ) = (3.5*3)/(1) =9+1.5=10.5$

if you want to divide by a fraction, you need to multiply by the reverse of it.

so the answer is: 10 servings of lemonade ( and a little bit will be left over for half a serving).

Three equal ratios to 6/7

Answers

12/14 , 18/21 , 24/28

1. 12/14 , 2. 18/21 ,3. 24/28
hope this helps

Dmitri wants to cover the top and sides of the box shown with glass tiles that are 3 5 mm square How many tiles does he need 20 cm 15 cm

Answers

lets split the box in pieces and then add:
top = 20*15 = 300
sidesA = 2*20*9 = 360, is multiplied by 2 cause there are 2 sides like this
sidesB = 2*9*15 = 270, is multiplied by 2 cause there are 2 sides like this
so in total we have:
total = 300 + 360 + 270 = 930 cm^2
if we express this quantity in mm^2 we have:
1cm² = 100 mm²total = 930*100 = 93000 mm^2
so if the tiles are 5 mm^2 we need:
total tiles = 93000/5 = 18600
we need 18600 tiles of 5 mm^2

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