3 years ago

PLEASE HELP ME ON THIS ALGEBRA PROBLEM!!!

1 answer:

8 0

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How much water should be added to 14mL of 15% alcohol solution to reduce the concentration to 7%

leonid [27]

You would need 12ml of water.

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3 years ago

Please help. Thank you.

Marysya12 [62]

The answer would be 24pi inches.

You can find this by using the formula for a circumference and plugging in the value of the radius.

C = 2pi*r

C = 2pi * 12

C = 24pi

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3 years ago

Expand and simplify -2(x + 4x^2) + 3(x^2 + 2x)

Vlad1618 [11]

......................

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1 year ago

Ryan wants to buy a new guitar that costs $325.00. He already has $75 in his account and makes $20 per day. How many days will h

san4es73 [151]

Answer:I pretty sure it will be 12.5
I subtracted the total cost for the guitar by the money he already had and got 250
Then I did 250/20 and got 12.5
250 is the money that he still needs for the guitar

Hope it helps

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2 years ago

What is the following product? (5 square root 2-4 square root 3) (5 square root 2-4 square root 3)

Zina [86]

Answer:

(5 square root 2-4 square root 3) (5 square root 2-4 square root 3)

= 98 - 40 $\sqrt{6}$

Step-by-step explanation:

i) (5 $\sqrt{2}$ - 4 $\sqrt{3}$ ) × (5√2 - 4√3)

=(5 $\sqrt{2}$ × 5 $\sqrt{2}$ ) - (5 $\sqrt{2}$ × 4 $\sqrt{3}$ ) - (4 $\sqrt{3}$ × 5 $\sqrt{2}$ ) + (4 $\sqrt{3}$ × 4 $\sqrt{3}$ )

= 50 - 20 $\sqrt{6}$ - 20 $\sqrt{6}$ + 48

= 98 - 40 $\sqrt{6}$

8 0

3 years ago

Read 2 more answers