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Dvinal [7]
3 years ago
12

You need to mix a solution that is 70% anti-freeze with one that is 30% anti-freeze to obtain 20 L of a mixture that 60% anti-fr

eeze. How many liters of each of the solutions must be used?
Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

solutionwith 70% anti freeze=14l

solution with 30% anti freeze=5l

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Given f(x)= -x^2+3x-4 and g(x)=2/3x +5 find f(g(-9))
scZoUnD [109]

Answer:

0

Step-by-step explanation:

First, you plug -9 into g(x) and you get g(-9) = - 1. After that, you solve f(-1), which you then reach the solution of 0 by solving.

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3 years ago
Which of the following is not performed when solving r^2+12r-6=0 by
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Answer:

B.)  why Factor p+ 12r - 6,  I did not do that below.

Step-by-step explanation:

r^2+12r-6=0

solve:

r^2  +  12 r  +   36  - 36  - 6  = 0

factor the trinomial by completing the square.

( r + 6)^2  -42 = 0

(r + 6)^2  = 42

r + 6  =  root(42 )  or  r + 6 = - root(42)

r = -6 + root(42)  or  r = -6 -root(42)

6 0
3 years ago
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You've won a new prize! Go to your game board. *
oee [108]

Answer:

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3 years ago
Find A ∩ ( B ∪ C ).
Radda [10]

Answer:

This season, the probability that the Yankees will win a game is 0.59 and the probability that the Yankees will score 5 or more runs in a game is 0.52. The probability that the Yankees win and score 5 or more runs is 0.45. What is the probability that the Yankees will win when they score 5 or more runs? Round your answer to the nearest thousandth.

Step-by-step explanation:

7 0
2 years ago
The diagram shows two 10 by 14 rectangles which are edge-to-edge and share a common vertex. It also shows the centre O of one re
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