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LiRa [457]
3 years ago
15

Someone please help me it's worth ten points and I'm marking ppl as brainless if you help me make a 100

Mathematics
1 answer:
dezoksy [38]3 years ago
8 0
V=(1/3)Ah
A=a*b for squares and a*b/2 for right triangles

1)
A=6*8.5=51
V=51*12/3=51*4=204in^3

2)
A=12*6=72
V=72*15/3=72*5=360ft^3

3)
A=18*24/2=18*12=216
V=216*35/3=72*35=2520cm^3

4)
A=26*15/2=13*15=195
V=195*38/3=65*38=2470cm^3

5)
A=B=8ft^2
V=8*12/3=8*4=32ft^3
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Answer:

Step-by-step explanation:

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Please help!!! I will give brainliest but only if you try and help.
Slav-nsk [51]

Answer:

<h2>____</h2><h3>1260 </h3><h2>____</h2>

Since we have to predict, we can use ratios to help us solve this.

12 said yes out of 72 randomly chosen, SO,

if 210 would say yes (goes to play), how many is total??

12 is to 72 AS 210 is to HOW MUCH (let it be x)??

We can setup ratio, cross multiply, and solve for x:

= 12/72= 210/x

= 12x = 210*72

=12x = 15,120

=x = 15,120/12

<h2>=x =1260</h2>

8 0
3 years ago
−8.5x + 0.36 = −3.04
erma4kov [3.2K]
X= 0.4

-8.5x=-3.4
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4 0
3 years ago
Math question! I appreciate any help!
saw5 [17]
Lateral faces are all the sides of the prisms EXCEPT the bases, which are the sides on the top and bottom. To find the area of the lateral faces we can use the formula: perimeter x height.

perimeter = 2 (6 + 8) = 2 x 14 = 28
height = 14
area of the lateral faces = perimeter x height = 28 x 14 = 392

Hope this helps!
6 0
3 years ago
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