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IrinaK [193]
3 years ago
15

Please answer !!Urgent ​

Mathematics
1 answer:
motikmotik3 years ago
7 0

I'm sorry I don't know what this is can you explain it sike

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4(5t - 7)=10t+2 how to simplify equation
prohojiy [21]
20t-28=10t+2⇔20t-10t=2+28⇔10t=30⇔t=3
7 0
3 years ago
1. A movie theater designs two bags to hold 96 cubic inches of popcorn. a. Find the height of each bag b. Which bag should the t
MrRissso [65]
I have attached a screenshot with the images of the two popcorn bags used by the theater.

Part (a):
Bag A:
Volume of bag = area of base * height
Volume of bag = length * width * height
We have:
volume = 96 in³
length = 3 in
width = 4 in
Therefore:
96 = 3 * 4 * height
96 = 12 * height
height of bag A = 8 in
Bag B:
Volume of bag = area of base * height
Volume of bag = length * width * height
We have:
volume = 96 in³
length = 4 in
width = 4 in
Therefore:
96 = 4 * 4 * height
96 = 16 * height
height of bag B = 6 in

Part (b):
To determine the amount of paper needed, we will need to calculate the surface of each bag. Excluding the top base, each bag will have 5 faces. Four side faces (each two opposite are equal) and the base.
Bag A:
Surface area = area of base + 2*area of front face + 2*area of side face
Surface area = (3*4) + 2(8*4) + 2(8*3) 
Surface area = 12 + 64 + 48 
Surface area of bag A = 124 in²
Bag B:
Surface area = area of base + 2*area of front face + 2*area of side face
Surface area = (4*4) + 2(6*4) + 2(6*4) 
Surface area = 16 + 48 + 48 
Surface area of bag B = 112 in²
From the above calculations, we can deduce that the theater should choose bag B in order to reduce the amount of paper needed.

Hope this helps :)



6 0
3 years ago
Which composite figure has the greatest surface area
Bumek [7]

Answer:

sphere...

Step-by-step explanation:

because...

just like if we increase the no. of faces of composite figures ...

surface area is increased ...

so no. of faces is infinite in sphere...

logically sphere have the greatest surface area

6 0
3 years ago
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What is the probability of getting an odd number on a fair die and a tail on coin flip?
Arada [10]
So we know that the dice had 6 numbers which is 1 to 6, and we know that the odd number between 1 and 6 is 1,3,5. As a result, the probability of rolling an odd number on a fair die is 3/6 or 1/2, and we already know that probability of flipping a tail on a coin is 1/2, so I just take 1/2 times 1/2 to get 1/4 which is C. Hope it help!
8 0
3 years ago
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Simplify the expression using the order of operations. 3 (8-4)2 + 7.9
OlgaM077 [116]

Answer:31.9

Step-by-step explanation:

8 0
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