A Bricklayer can lay 20 Bricks in an hour. How many bricks can he lay in t minutes?

Answers

Answer 1
Answer: Bricks      Hour 
20              1
  ?               x
Than multiply the variable and 20 and then divide by 1 
And that will be your answer 
I hope i helped you :-)


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Which is the correct operation to use to solve this problem? The library has a total of 542 shelves. The average number of books on each shelf is 34. How many books does the library have if all the books are on the shelves? Enter M for multiplication or D for division.

Answers

M, You multiply the number of books per shelf times the number of shelves total

it is M

Step-by-step explanation:

Use compatible numbers to estimate the quotient 315 divided by 8 answer quickly thank you!

Answers

315 is about 320 which is divisible by 8 320/8 is 40

Answer:

39.275 or 39 R 3

Step-by-step explanation:

Hope it helped!

Is the relation {(1, 3), (-4,0), (3, 1), (0, 4), (2, 3)} a function? Why or why not?Yes, the range value 3 corresponds to two domain values, 1 and 2.
Yes, there is no value in the domain that corresponds to more than one value of the range.
No, there is no value in the domain that corresponds to more than one value of the range.
No, the range value 3 corresponds to two domain values, 1 and 2.

Answers

Answer:

"Yes, there is no value in the domain that corresponds to more than one value of the range."

Step-by-step explanation:

Recall that for a relationship to be a function, each element of the domain should have only one associated value in the range.

So in the example given in coordinate pair form: {(1, 3), (-4,0), (3, 1), (0, 4), (2, 3)}

notice that:

the element 1 in the Domain relates to 3 in the Range,

the element -4 of the Domain relates to 0 in the Range,

the element 3 in the Domain relates to the number 1 in the Range,

the element 0 in the Domain relates to 4 in the Range,

and finally the element 2 in the Domain relates to 3 in the Range.

Each of the elements in the Domain, relate to one and only one element in the Range. The fact that one of the related values is repeated is not an obstacle for the relationship to be a function.

The correct answer therefore is:

"Yes, there is no value in the domain that corresponds to more than one value of the range."

50 is 1/10 of what number

Answers

50 is 1/10 of 500.

What is fraction?

Fractions are used to represent smaller pieces of a whole.

Given that, 50 is which numbers' 1/10

Let the number be x,

x/10 = 50

x = 500

Hence, 50 is 1/10 of 500.

For more references on fraction, click;

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 50/x is equal to 1/10

1 times 50 is 50   ..  so 10 times 50 is 500

50 is 1/10 of 500



What is the percent change of 92 to 69 first value to the second

Answers

The change is          (92 - 69)  =  23

The change as a fraction of the original value is      23/92 

The fraction as a decimal is      (23) divided by (92)  =  0.25 .

To change a decimal to a percent, move
the decimal point two places that way  ==> .

                                                 0.25  ==>  25%

The change is a loss of 25%.  I guess you might say it's  -25% .

Mr. Cisernos buys some basketballs (m) for a total of $50. He now has $20 left. Write an equation and solve how much Mr. Cisernos had before he bought the basketballs?

Answers

50+20=70 and 70-50=20