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Ann [662]
3 years ago
8

Whats the simple answer and simple way to solve answer to x -- 2/7=6/7

Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0
Add 2/7 to both sides

x = 6/7 + 2/7

simplify 6/7 + 2/7 to 8/7

Answer: x = 8/7 so 8/7 - 2/7 = 6/7 is true.
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A horse walks around a circular track while its trainer stands in the center. The trainer is 14 feet from the horse at all times
max2010maxim [7]

The horse traveled 439.6 feet after walking around the track 5 times

<u><em>Solution:</em></u>

Given that, horse walks around a circular track while its trainer stands in the center

The trainer is 14 feet from the horse at all times

Therefore, radius of circular track = 14 feet

The circumference of circle is the distance traveled by horse for 1 lap

<em><u>The circumference of circle is given as:</u></em>

C = 2 \pi r

Where, "r" is the radius and \pi is a constant equal to 3.14

C = 2 \times 3.14 \times 14\\\\C = 87.92

Thus the distance traveled by horse for one time in circular track is 87.92 feet

<em><u>About how far had the horse traveled after walking around the track 5 times? </u></em>

Multiply the circumference by 5

distance = 5 \times 87.92\\\\distance = 439.6

Thus the horse traveled 439.6 feet after walking around the track 5 times

5 0
3 years ago
Simplify (4x– 4)– 3<br><br><br> A. -1/2x^4<br><br> B. -8x^12<br><br> C. -64x^9<br><br> D. x^12/64
marysya [2.9K]
Use:(a\cdot b)^n=a^n\cdot b^n\\\\(a^n)^m=a^{n\cdot m}\\\\a^{-n}=\dfrac{1}{a^n}\\\\\left(4x^{-4}\right)^{-3}=4^{-3}(x^{-4})^{-3}=\dfrac{1}{4^3}x^{-4\cdot(-3)}\\\\=\dfrac{1}{64}x^{12}=\boxed{\frac{x^{12}}{64}}

Answer: D. x^12/64
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Answer:

0.125 is the answer...........

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aliya0001 [1]

Answer:

A x=-8 or x=-2

B x=-4 or x=-3

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