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astra-53 [7]
4 years ago
9

Proport

Mathematics
2 answers:
larisa [96]4 years ago
6 0

Answer:

5.25, 5/14, or 21/4 hours

Step-by-step explanation:

400        700

------  =    ------

 3             x

Gwar [14]4 years ago
4 0
It takes 5 minutes per square foot (400/180=5) and so 5 minutes per square for 720 squares: 720x5=3,600. 3,600 minutes is equivalent to 60 hours so it takes him 60 hours.
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Anusha brings a $20 bill to the store. She purchases 4 pairs of socks for $2.25 each and a new belt for $7.50. How much change w
gulaghasi [49]
She will receive $18.50.
5 0
4 years ago
Read 2 more answers
Help please!! Math help!! asap please!!!
Tom [10]

Answer:

4, 15/5 , 0.5, -1/5, -1.2 , -49

Step-by-step explanation:

4

15/5=3

0.5

-1/5=-0.2

-1.2

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8 0
4 years ago
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Analyze the diagram below and answer the question that follows
laiz [17]

Answer:

C. 40.2°

Step-by-step explanation:

Cosine rule (real handy to remember): c² = a² + b² - 2·a·b·cos(γ)

If you don't know this yet, look it up but in short: c, a and b are the lengths of the sides of the triangle, the angle opposite side a is called α, for b it is β and for c it is γ. That's the convention I've always used anyway, you can call them whatever of course. Anyhow:

c² = a² + b² - 2·a·b·cos(γ)

⇒ |AC|² = |AB|²+|BC|²-2·|AB|·|BC|·cos(∠B)

⇒ |AC|²-|AB|²-|BC|² = -2·|AB|·|BC|·cos(∠B)

⇒ ( |AC|²-|AB|²-|BC|² ) / ( -2·|AB|·|BC| ) = cos(∠B)

⇒ ∠B = arccos( ( |AC|²-|AB|²-|BC|² ) / ( -2·|AB|·|BC| ) )

         = arccos( ( 11²-16²-16² ) / ( -2·16·16 ) )

         = 40.21101958°

         ≈ 40.2°

6 0
2 years ago
Jack runs a company and is constantly under pressure. When he went to the doctor recently, he was advised to engage in aerobic e
bixtya [17]
Hello Friend!

The disease that Jack was most likely diagnosed with is "Hypertension".

The Correct Option among all the options that are given in the question is the 3rd Option or
 
Option "C".


Ps. Exercise will actually keep the blood flow normal and help to control the hypertension. 

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)

(Ps. Mark As Brainliest IF Helped!)

-TheOneAboveAll :D
3 0
3 years ago
PLEASE HELP ASAP!! I NEED TO GET MY MATH GRADE UP!
rjkz [21]

Answer:

 N - 13 = -12, n = 1

-5n = 1 , n = 1

N/5 = 1/5, n = 1

n + 15 = -10, n = 25

6 0
3 years ago
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