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2 years ago

Please help I been here for I hour

Mathematics

2 answers:

ELEN [110]2 years ago

8 0

Answer:

The unit rate is 8 miles in an hour

Step-by-step explanation:

To solve, notice that this is the distance in 1/10 of an hour. So multiply the distance by 10 go get the unit rate:

4/5 x 10

4/5 x 10/1 = 4/1 x 2/1 = 8/1 = 8

jok3333 [9.3K]2 years ago

3 0

9 mph because if it was 4/5 miles in 1/10 of an hour you just multiply it by 10 to get an hour and if you multiply 4/5 x 10 equals 40/5. simplified it is 9

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-3/5x+-7/10+1/2x=-56

Savatey [412]

Answer:

$x=553$

Step-by-step explanation:

$\frac{-3}{5} x+\frac{-7}{10} +\frac{1}{2} x=-56$

Combine like terms:

$-\frac{1}{10} x =-\frac{553}{10}$

Multiply both sides by -10:

$x=553$

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1 year ago

which equation results from isolating a radical term and squaring both sides of the equation for the equation

damaskus [11]

Answer:

D) c - 2 = 25 + c + 10√c

Step-by-step explanation:

The given equation is $\sqrt{c - 2} - \sqrt{c} = 5$

$\sqrt{c -2} = 5 + \sqrt{c} \\$

Taking square on both sides, we get

Here we used ( a+ b)^2 = a^2 + b^2 + 2ab formula.

c - 2 = 5^2 + (√c)^2 + 2(5)√c

c - 2 = 25 + c +10√c

Answer: D) c - 2 = 25 + c + 10√c

Thank you.

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olga2289 [7]

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2 years ago

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coldgirl [10]

I know the first 3 are c. I'm pretty sure the last one is a or d

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