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Mazyrski [523]
3 years ago
14

Help asap, i will mark brainliest!

Mathematics
1 answer:
Arturiano [62]3 years ago
5 0

Answer:

150m

Step-by-step explanation:

Length=120-(-30)=120+30=150m

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If a postal worker can deliver the mail to 18 houses in 15 minutes, how many houses will the postal worker be able to deliver to
il63 [147K]

Answer:

72 houses.

Step-by-step explanation:

We are told that a postal worker can deliver the mail to 18 houses in 15 minutes.

Let us find numbers of mails delivered by postal worker per minute.

\text{Number of mails delivered per minute}=\frac{18\text{ houses}}{15\text{ minutes}}

\text{Number of mails delivered per minute}=1.2\frac{\text{ houses}}{\text{ minute}}

Since we know that 1 hour equals 60 minutes, so we will multiply 1.2 by 60 to find the number mails postal worker will deliver in 1 hour.

\text{Number of mails delivered in 1 hour}=1.2\frac{\text{ houses}}{\text{ minute}}\times 60\frac{\text{minutes}}{\text{hour}}

\text{Number of mails delivered in 1 hour}=1.2\times 60\frac{\text{ houses}}{\text{hour} }

\text{Number of mails delivered in 1 hour}=72\frac{\text{ houses}}{\text{hour} }

Therefore, the postal worker will be able to deliver mails to 72 houses in 1 hour.

4 0
4 years ago
Read 2 more answers
What is the solution of the equation when solved over the complex numbers?
kumpel [21]

Answer:

x=+i\sqrt{20}\approx+4.472i

x=-i\sqrt{20}\approx-4.472i

Step-by-step explanation:

Starting from x^2+20=0, we do x^2=-20, which means x=\pm\sqrt{-20}, which can be written as x=\pm\sqrt{(-1)(20)}, which gives us x=\pm\sqrt{(-1)}\sqrt{(20)}, which we know is x=\pm i \sqrt{(20)}, so our solutions are:

x=+i\sqrt{(20)}

x=-i\sqrt{(20)}

Which can be approximated to:

x\approx+4.472i

x\approx-4.472i

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4 years ago
At soccer camp Bruce spent one hour and 30 minutes practicing defense and 2 hours shooting. if the camp ended at 2:15 PM what ti
Likurg_2 [28]
2:15 - 2 hours would = 12:15 subtract it by 1 hour more it would be: 11:15 - 30 minutes would make it: 10:45 so the camp started at 10:45
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3 years ago
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Please answer. I’ll mark brainliest
Mashcka [7]

Answer:

x=48 degrees

Step-by-step explanation:

since two sides are the same, the angles of those sides are the same, so you add 66 twice and subtract from 180.

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3 years ago
A. Find the unit price
Nadya [2.5K]
Option ll: as when you divide the amount of dollars by how many chocolate bars you buy 12 chocolate the amount of single chocolate bars is less than 10
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