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3 years ago

11

Joe is training for a race in 30 days. He needs to run a total of 135 miles. How many miles will joe need to run each day to be

ready for the race

1 answer:

marin [14]3 years ago

4 0

He needs to run 4.5 miles each day.

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If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A U B?

Phoenix [80]

Answer:

Answer is A U B = {3,5,7}

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3 years ago

Please Help me with these 2 questions!!

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3) Parabola

4) $y = 5x^2 + 7$ and $y = \frac{10}{x} +20$

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2 years ago

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A 65-inch HD LCD television is discounted 25% from the original price. If the discounted price is $1799.99, what was the origina

Andreas93 [3]

Answer:

$2399.99

Step-by-step explanation:

the price of the tv is discounted by 25%

that is the same as saying the tv is 75% of its original price

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2 years ago

Four gallons of paint are used to paint 25 chairs. if each chair used the same amount of paint, how many gallons are used to pai

viktelen [127]

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3 years ago

Solve 6/×-3 =x/3

Eduardwww [97]

Answer:

X = -3. non-extraneous

Step-by-step explanation:

The given equation is $\frac{6}{x-3} =\frac{x}{3}$

We cross multiply to get:

$6*3=x(x-3)$

Expand and multiply.

$18=x^2-3x$

$x^2-3x-18=0$

We factor to obtain:

$(x-6)(x+3)=0$

$x=-3,x=6$

Checking for extraneous solutions

Substitute x=-3 $\frac{6}{-3-3} =\frac{-3}{3}$

$\frac{6}{-6} =\frac{-3}{3}$

$-1=-1$

$1=1$ .....Non-extraneous

Checking for x=6

$\frac{6}{6-3} =\frac{6}{3}$

$\frac{6}{3} =\frac{6}{3}$

$2=2$ ....Non-extraneous

6 0

2 years ago