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rjkz [21]
3 years ago
6

Q(p) = p - 11, Find q(5p+4)​

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

Step-by-step explanation:

1. Substitute p for 5p+4

2. 5p+4-11

3. 5p-7

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puteri [66]

Answer:

The salt concentration of the mixed solution = 10%

Step-by-step explanation:

First assuming that the concentration of salt given is on a vol% basis.

First solution has 0.7 gallon of 5% salt

Amount of salt in this solution = 5% × 0.7 = 0.035 gallon

Second solution has 0.3 gallon of 22% salt

Amount of salt in this solution = 22% × 0.3 = 0.066 gallon

Total amount of salt in the resulting solution = 0.035 + 0.066 = 0.101 gallon

Total volume of the resulting solution = 0.7 + 0.3 = 1.00 gallon

Concentration of the mixture of salt = (0.101/1) = 0.101 = 10.1% = 10% to the nearest percent

Hope this Helps!!!

3 0
3 years ago
The price of a computer was decreased by 7% to £500. What was the price before the decrease? Give your answer to the nearest pen
aliina [53]

Answer:

537.6

Step-by-step explanation:

0.93*x=500

x=500/0.93

x=537.6

8 0
3 years ago
Simplify the expression. show work. <br> 9xy^ - 11xy^
kap26 [50]
^ means to the power of with nothing after it, it's miss-used. Solving without the ^ symbol it is -2xy with the ^ symbol it's irrational and cannot be solved.
4 0
3 years ago
How do i multiply ?​
attashe74 [19]

Answer:

Do repeated addition

Step-by-step explanation:

For example 12 * 12 = 144 because 12+12+12+12+12+12+12+12+12+12+12+12=144

7 0
3 years ago
A class has 6 boys and 15 girls. What is the ratio of boys to girls
Over [174]
The answer is 6:15, but if u need to simplify the answer would be 2:5.
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3 years ago
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