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otez555 [7]
3 years ago
11

What number is 10 more than 127

Mathematics
2 answers:
Ugo [173]3 years ago
8 0

Answer:

The number is 137

Step-by-step explanation:

More than means add to, is means equal

W = 127+ 10

W = 137

Artist 52 [7]3 years ago
4 0

Answer:

137

Step-by-step explanation:

10 more means +10 cause it is asking for ore and 127+10=137

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If a heart beats 30 times in 40 seconds. How many times will it beat in 1 year?
Murljashka [212]

Answer:

10950

Step-by-step explanation:

1 year = 365

365 × 30

10950

7 0
3 years ago
Read 2 more answers
To complete a task in 15 days, a company has 4 people each working 8 hours a day. The company
Klio2033 [76]

Answer:

Let's suppose that each person works at an hourly rate R.

Then if 4 people working 8 hours per day, a total of 15 days to complete the task, we can write this as:

4*R*(15*8 hours) = 1 task.

Whit this we can find the value of R.

R = 1 task/(4*15*8 h) = (1/480) task/hour.

a) Now suppose that we have 5 workers, and each one of them works 6 hours per day for a total of D days to complete the task, then we have the equation:

5*( (1/480) task/hour)*(D*6 hours) = 1 task.

We only need to isolate D, that is the number of days that will take the 5 workers to complete the task:

D = (1 task)/(5*6h*1/480 task/hour) = (1 task)/(30/480 taks) = 480/30 = 16

D = 16

Then the 5 workers working 6 hours per day, need 16 days to complete the job.

b) The assumption is that all workers work at the same rate R. If this was not the case (and each one worked at a different rate) we couldn't find the rate at which each worker completes the task (because we had not enough information), and then we would be incapable of completing the question.

4 0
3 years ago
What is the answer to 6 3/8 -3/4- 1/2 =
zysi [14]

Answer: 5 1/8

Step-by-step explanation:

1. 6 3/8=51/8

2. 3/4=6/8; 1/2=4/8

3. 51/8-6/8-4/8=41/8

4. 41/8=5 1/8

3 0
3 years ago
Explain why 20 is not a square number.
Marizza181 [45]

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.

8 0
3 years ago
15x^2 - 25 answer with a complete sentence
zubka84 [21]

Answer:

No, the following expression is not a difference of squares. Binomial can not be factored as the  difference of two perfect squares. 3 is not a square.

Step-by-step explanation:

Factor

15x^2 - 25

(15x)^2(-5)^5

Divide by 3 and factor

5(3x^2-5)

"Theory:

A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression."

I put a picture to help u understand.

7 0
3 years ago
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