MATHEMATICS MIDDLE SCHOOL

56 is 80% of what? How did you get your answer?

Answers

Answer 1
Answer: You would divide 56 by 80. Which would give you 0.7. So 56 is 80% of 70

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Which ordered pair represents a point on a line y = 2x +1. a. 0,3 b. 1,2 c. 2,1 d. -1,-1. please explain answer

Answers

d. -1,-1 because If you were to place that on a graph you would get d. for your answer and you can also do it on a TI-83 plus calculator

The ratio 20/10=5/n. What does n equal?

Answers

n is equal to 2.5

I divided 20 by 5 to get 4. = 20 ÷ 5 = 4. So, I divide 10 by 4 to get n. = 10 ÷ 4 = 2.5

Or we can do this solution.

20          5
----  =    ----  ; do cross multiplication.  20n = 10(5)
10          n

20n = 50 ; to get n, divide both sides by 20.    20n / 20 = 50 / 20 = n = 2.50

Whichever way: 20/10 = 5/2.5

Fern ir read 5/7 of the pages in his 98 page book.how many pages does he have left?

Answers

fern has read 5/7 pages OF his 98 page book. I was taught that OF can mean to multiply.
so multiply 5/7 by 98 and you get 70.
70 is not the answer though . That is only how much he has rrad . and the question asks how much he has LEFT.
So Now subtract 98-70 . which equals 28
fern has 28 more pages left.

A row of tiny red beads is placed at the beginning and at the end of a 20-centimeter bookmarkA row of the same beads is also placed every 4 millimeters along the bookmark
How many rows of the beads are used on the bookmark?
Enter your answer in the box

Answers

Answer:

There are 50 beads on the bookmark.

Step-by-step explanation:

To know the number of rows of the beads are used on the bookmark, we just need to divide.

Notice that the bookmark is 20 centimeters long, and each bead is 4 milimiters. In order to divide, we need to transform centimeters to millimeters.

We know that 1 centimeter is 10 millimeters, that means 20 centimeters is 200 millimeters.

Then, the division is

(200mm)/(4mm) =50

Therefore, there are 50 beads on the bookmark.

Roselyn planted 60 bean plants in her garden, 12 of which did not sprout.What is the ratio of plants that sprouted to those that did not sprout

Answers

48:12
because 60-12 is 48 and 48 plants sprouted and 12 did not 

Which number is NOT in the solution set of x − 8 < 14?A) 17
B) 19
C) 21
D) 23

Answers

The solution is Option D.

The value of the inequality equation is x < 22

What is an Inequality Equation?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the inequality equation be represented as A

Now , the value of A is

x - 8 < 14   be equation (1)

Now , the value of equation can be simplified as

x - 8 < 14

Adding 8 on both sides of the equation , we get

x < ( 14 + 8 )

The value of x < 22

Therefore , the value of x is always less than 22

Hence , the value of the inequality equation is x < 2

To learn more about inequality equations click :

brainly.com/question/11897796

#SPJ6

Answer:

D 23

Step-by-step explanation:
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