Help please and thank you

Mathematics

1 answer:

Aliun [14]3 years ago

5 0

The length of TR is 8

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The Boardman family walked two over five of a mile in two over seven of an hour. What is their unit rate in miles per hour?

hichkok12 [17]

If the family walked 2/5 of a mile in 2/7 of an hour their MPH would be 2.8mph

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3 years ago

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Alona [7]

See attached picture

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3 years ago

Solve.<br><br> x^-9 y^3 / x^-7 y^8

aniked [119]

$\dfrac{x^{-9}y^3}{x^{-7}y^8}=x^{-9-(-7)}y^{3-8}=x^{-2}y^{-5}=\dfrac{1}{x^2y^5}\\\\Used:\\\\\dfrac{a^n}{a^m}=a^{n-m}\\\\a^{-n}=\dfrac{1}{a^n}$

3 0

3 years ago

Q1.The cost of $16.50 for the music was reduction of 12% on the original cost.

NNADVOKAT [17]

Q1) £16.50 x 1.12 = £18.48
Q2)

2+9+1= 12
3h 33m = 213m
213/12 = 17.75
2x17.75 = 35.5 (music)
9x17.75 = 159.75 (films)
1x17.75 = 17.75 (books)

So it’s 159.75 minutes for the films to download

7 0

3 years ago

Please answer now only have two minutes left do it fast

Deffense [45]

Answer:

work is shown and pictured

7 0

3 years ago