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3 years ago

8

A hospital needs to dilute a 50% boric acid solution to make it a 10% boric acid solution. If it needs 25 liters of the 10% solu

tion, how much of the 50% solution, and how much water, should it use?

1 answer:

saul85 [17]3 years ago

7 0

I'm pretty sure the answer is 5 because I did 50% of 50 which is 5

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Solve for x. Each figure is a trapezoid. # 18 has a midsegment.<br> 13)

Vanyuwa [196]

<u>Question 13</u>

<u /> ${12x+2}=\frac{18+34}{2}\\\\12x+2=26\\\\12x=24\\\\x=\boxed{2}$

<u>Question 14</u>

Base angles of an isosceles trapezoid are congruent, so:

$73x+1=74\\73x=73\\x=\boxed{1}$

3 0

2 years ago

If the quadrilateral below is a kite, find m

Debora [2.8K]

Answer:

49°

Step-by-step explanation:

7.5x-15+90=180

7.5x+75 =180

7.5x=105

x =14

so NPQ = ( 4×14 -7 ) = 49° this the answer

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3 years ago

Read 2 more answers

saul85 [17]

Answer:

$29,005.97

Step-by-step explanation:

Cn = Co * (1 + i)^n

Cn = 104,986.99(1+.05/1)^(1*5)

Cn = 104,986.99(1+.05)^5

Cn = 104,986.99(105)^5

Cn = 104,986.99(1.2763)

Cn = 133,992.96, total money at end

133,992.96-104,986.99= $29,005.97, interest accumulated

4 0

3 years ago

Mrs. Hall records the heights of 50 students in a spreadsheet. The mean height is 68 inches. After looking at the data again, sh

defon

67.33. You would first find the total height of people. So 50 would be multiplied by 68, giving you the answer of 3,400. After, you would subtract 82 and 86, giving you 3,232. To get the final answer you would divide the value by 48, since two of them are removed, giving you 67.33.

7 0

3 years ago

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HELP with Geometry PLEASES!! 100 points!!!

Igoryamba

Answer:

in order from images displayed, x = 20, x = 6, x = 5.5

Step-by-step explanation:

4x - 8 + 6x - 12 = 180

10x -20 = 180

10x = 200

x = 20

5x - 1 = 29

5x = 30

x = 6

14x - 6 = 12x + 5

2x = 11

x = 5.5

5 0

2 years ago

Read 2 more answers