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swat32
3 years ago
13

Jenny has finished 15 of the 20 lessons in her piano book liam has finished the same percent of lessons from his piano book hi b

ook contains 40 lessons how many lessons has liam fineshed
Mathematics
2 answers:
Mariulka [41]3 years ago
8 0
30
liam has finished 30 lessons
15/20 is equal to 3/4
so 3/4 of 40 is 30.
hope i helped. have a good day
Vanyuwa [196]3 years ago
3 0

Answer:

Liam has finished 30 of his lessons

Step-by-step explanation:

Jenny has completed 15 out of 20 lessons, which means that she has completed 75% of her lessons. If Liam has completed the same percentage of lessons, then he has completed 30 of his lessons. 40(.75) = 30.

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Fynjy0 [20]

Answer:

PQ R s parallelogram

< Q = < s = 114

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<2 = 66 / 2 = 33

< I = 114 / 2 = 5 7

< I + < 2 = 3 3 + 57 = 90

< ( STP ) = 90

TP I ST

3 0
3 years ago
The electrician charges $50 per visit plus $12 per hour of work. Steve hires the electrician to do some work for his house. If S
TEA [102]

Answer:

12.5 hours

Step-by-step explanation:

budget: 200

fix cost: 50

hourly rate: 12

hours: ?

----

First we deduct the fix 50 dollars cost from the total budget.

Then we divide the remaining amount with the hourly rate

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8 0
3 years ago
Is the following statement always, never, or sometimes true?
pickupchik [31]
Sometimes...

2^-3 = 1/(2^3) = 1/8

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3 0
3 years ago
Read 2 more answers
Simplify <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%5E%7B2%7D%20%2B%2012x%20%2B%2036%20%7D%7Bx%5E%7B2%7D%20%2B%204x%20
kolbaska11 [484]

Answer:

(x-2)/(2x+8)

Step-by-step explanation:

The first step to solve this expression is to use a² - 2a b + b² = (a - b)² to factor the expression

Factor out 2 from the expression

Write 2x as a difference

Factor out x from the expression

Factor out -2 from the expression

Factor out x + 4 from the expression

Reduce the fraction with x - 2

Finally,, distribute 2 through the parenthesis to find your answer

This means that the correct answer to your question is (x-2)/(2x+8)

3 0
3 years ago
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Winnie wrote the following riddle.I am a number between 60 and 100.My ones digit is two less than my tens digit.I am a prime num
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Answer:

79

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x must be 7 or 9

so the number must be 79 or 57

57 is not prime so

the number is 79

5 0
3 years ago
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