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Sunny_sXe [5.5K]
3 years ago
15

Sarah can take no more than 22 pounds of luggage on the trip. her suitcase weigh s 112 ounces how many more pounds can she pack

without going over the limit

Mathematics
1 answer:
Aloiza [94]3 years ago
5 0
For each pound there is 16 ounces so

divide 112 by 16

You get 7 pounds

So if her suitcase weighs 7 pounds how many more pounds can she get up to 22 pounds

22-7= 15

So she can put 15 pounds more without going over the limit
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Solve the equation x2 + 64 = 100
anyanavicka [17]

Answer:

x = ± 6

Step-by-step explanation:

Given

x² + 64 = 100 ( subtract 64 from both sides )

x² = 36 ( take the square root of both sides )

x = ± \sqrt{36} = ± 6

7 0
3 years ago
Consider the system of equations below. What could be the first step in solving by elimination?
Mrrafil [7]
<h2>Answer:</h2>

The first step would be to multiply the bottom equation by -1 to eliminate x, then you would combine like terms, like 5y + 2y, and 16 + 10.

6 0
2 years ago
Read 2 more answers
Half-life of Po-210 is 140 days. If the initial mass of the sample is 5
Anna35 [415]

Answer:

0.625kg

Step-by-step explanation:

we are given half-life of PO-210 and the initial mass

we want to figure out the remaining mass <u>after</u><u> </u><u>4</u><u>2</u><u>0</u><u> </u><u>days</u><u> </u>

in order to solve so we can consider the half-life formula given by

\displaystyle f(t) = a {0.5}^{t/T}

where:

  • f(t) is the remaining quantity of a substance after time t has elapsed.
  • a is the initial quantity of this substance.
  • T is the half-life

since it halves every 140 days our T is 140 and t is 420. as the initial mass of the sample is 5 our a is 5

thus substitute:

\displaystyle f(420)=5\cdot{0.5}^{420/140}

reduce fraction:

\displaystyle f(420)=5\cdot{0.5}^{3}

By using calculator we acquire:

\displaystyle f(420)=0.625

hence, the remaining sample after 420 days is 0.625 kg

4 0
3 years ago
Rewrite the expression with parentheses pls help
KATRIN_1 [288]
Um is it (2+4) ÷ (2+4)
7 0
2 years ago
PLEASE HELP I WILL GIVE YOU BRAINLIEST!!
LiRa [457]

Answer: 48 feet squared is the answer

Step-by-step explanation: All you do is take the length which is 8 and multiply it by the width which is 6, and the answer is 48.

I hope it helped comment if you have questions. :)

4 0
3 years ago
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