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Nastasia [14]
2 years ago
10

Michael is going back to school shopping to buy only jeans. He has 130 to spend. He found them on

Mathematics
1 answer:
mariarad [96]2 years ago
7 0

Answer:

130=8x+15  and 14 pairs

Step-by-step explanation:

Y=mx+b    Since he has 130 dollars to spend, that is Y. He needs $15 to spend for an uber which would be b in an equation. He spends $8/per jean. 130(total)-15(uber)=$115 left. 115(total now)-8x.   8x14=112.  115(left)=112(14 pairs of jeans)

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2 years ago
1. Use the formula S(d)=√9.8d to calculate the estimated speed, in meters per second, of a tsunami if the disturbance occurred a
postnew [5]

Answer: 1. 210 meters per second .

2.  756  kilometers per hour.

Step-by-step explanation:

Given : The formula S(d)=\sqrt{9.8d} to calculate the estimated speed, in meters per second of a tsunami.

1. If the disturbance occurred at an ocean depth of 4,500 meters.

Then put d= 4500 in the above formula , we get

S(d)=\sqrt{9.8\times4500}

S(d)=\sqrt{44100}=\sqrt{21\times21\times10\times10}\\\\=\sqrt{210^2}=210

Hence, if the disturbance occurred at an ocean depth of 4,500 meters , the estimated speed would be 210 meters per second .

Also, A meter per second is equal to 3.6 kilometers per hour.

i.e. 1 meter per second = 3.6 kilometers per hour

Then by unitary method ,

210 meters per second  =3.6\times210 kilometers per hour

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3 0
3 years ago
In STU, SU =18 and TU =13. Find m
erastova [34]

Answer:

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Step-by-step explanation:

By using the Pythagorean’s theorem i.e

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