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3 years ago

8th grade i need help please

Mathematics

2 answers:

erik [133]3 years ago

5 0

Answer:

it's not 180

Step-by-step explanation:

you have to add 105 + 53. then you get that number and subtract it from 180, that's your answer

Rudik [331]3 years ago

4 0

Answer: 180 degrees

Step-by-step explanation: I think

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Bucket contains 425 mL of water. The capacity of water in the bucket decreases 4.8% each hour. Which equation models the situati

Fudgin [204]

Answer:

$V(t) = 425(0.952)^{t}$

Step-by-step explanation:

The amount of water in the bucket after t hours, in mL, can be modeled by an equation in the following format:

$V(t) = V(0)(1-r)^{t}$

In which V(0) is the initial amount, and r is the constant decay rate, as a decimal.

Bucket contains 425 mL of water.

This means that $V(0) = 425$

The capacity of water in the bucket decreases 4.8% each hour.

This means that $r = 0.048$

$V(t) = V(0)(1-r)^{t}$

$V(t) = 425(1-0.048)^{t}$

$V(t) = 425(0.952)^{t}$

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3 years ago

I'll give brainliest if you show your work. Plz answer quickly.

Maslowich

Answer:

C) In step 3, he should have determined which square is closest to 18.

Step-by-step explanation:

17.64 also rounds to 18. 17.64 differs from 18 by ...

18 -17.64 = 0.36

whereas 18.49 differs from 18 by ...

18.49 -18 = 0.49

Hence 17.64 is closer to 18 and we might expect 4.2 to be closer to √18 than is 4.3.

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The actual root of 18 is about 4.243, so 4.2 is a better approximation.

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