R + 11 + 8r= 29 can you help me
Answers
Answer:
9
Step-by-step explanation:
r+8r+11=29
9r+11=29
9r=29-11
9r=18
r=18-9
r=9
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I hope it helps you :)
Answers
Divide both sides by 1.2.
The answer is n=20.
Answers
Answer:
Step-by-step explanation:
That would either be a B or a C!
Answer:
To calculate your overall grade, we can use the weighting of each component. Since the assignment is worth 10% of your grade, we can calculate its contribution using the following formula:
(96 * 90%) + (75 * 10%)
First, we multiply your current grade of 96 by 90% (which represents the remaining 90% of your grade) to calculate its contribution. Then, we multiply your assignment grade of 75 by 10% to calculate its contribution. Finally, we add these two contributions together:
(96 * 90%) + (75 * 10%) = 86.4 + 7.5 = 93.9
Therefore, your grade after receiving a 75 on an assignment worth 10% would be approximately 93.9%.
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x is pure alcohol which must be added : (x + 60)/(x + 400) = 32/100
100x + 6000 = 32x + 12800 => 68x = 6800 => x = 100
100ml pure alcohol must be added
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Speed of father is 40 mph
Given that;
Speed of boy on bicycle = 8 mph
Total time taken by father = 15 min = 0.25 hour
Find:
Speed of father
Computation:
Distance = Speed × Time
So,
Boy's cover distance = Father's cover distance
[(Speed of boy on bicycle)(Time taken by boy)] = [(Speed of father)(Time taken by father)]
[(8)(1 + 0.25)] = [(Speed of father)(0.25)]
[(8)(1.25)] = [(Speed of father)(0.25)]
Speed of father = 10 / 0.25
Speed of father = 40 mph
Learn more:
8/1=x/1.25 (8 miles over 1 hour = x miles over 1.25 hours)
8(1.25) = 1(x)
10 = x
Now, divide 10 by .25 (15 minutes aka 1/4 hour) to get the speed father will have to drive.
10/.25 = x/1
x = 40 MPH