MATHEMATICS MIDDLE SCHOOL

Multiply and simplify.

2/3 * 2 1/5 * 3/4=?

Answers

Answer 1
Answer: 2/3 (2 1/5) (3/4)
=2/3 (11/5) (3/4)
= 2/3 (33/20)
= 11/10
= 1 1/10
Answer 2
Answer: 2/3*11/5*3/4= 66/60 (divide by 6)= 11/10 or 1 1/10

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Explain how you know that 7/12 is greater than 1/3 but less than 2/3?

Answers

The easiest way to compare fractions is by having a common denominator for both fractions.

This is because, when the denominator is the same in both fractions, we will simply compare the numerators and the greater fraction will be the one having greater numerator


Part 1:

The first given fraction is (7)/(12)

The second given fraction is (1)/(3)

We can make the denominator in the second one equal to 12 by multiplying it by 4.

However, to preserve the value of the fraction, we will multiply it by (4)/(4)

This will give us:

(1)/(3) * (4)/(4) = (4)/(12)


Now, the two fractions became (4)/(12) and (7)/(12)


The denominator is the same, so we will compare numerators.

Since 7 is greater than 4, therefore:

(7)/(12) is the greater fraction


Part 2:

The first given fraction is (7)/(12)

The second given fraction is (2)/(3)

We can make the denominator in the second one equal to 12 by multiplying it by 4.

However, to preserve the value of the fraction, we will multiply it by (4)/(4)

This will give us:

(2)/(3) * (4)/(4) = (8)/(12)


Now, the two fractions became (8)/(12) and (7)/(12)


The denominator is the same, so we will compare numerators.

Since 8 is greater than 7, therefore:

(8)/(12) is the greater fraction


Hope this helps :)
7/12
1/3=4/12
2/3=8/12

7/12>1/3
7/12<2/3

marge cut 16 pieces of tape for mounting pictures on poster board. each piece of tape was 3/8 inch long. how much tape did marge use?

Answers

Answer:

Total tape used by marge is 6 inches .

Step-by-step explanation:

As given

marge cut 16 pieces of tape for mounting pictures on poster board.

Each\ piece\ of\ tape\ was\ (3)/(8)\ inch\ long.

Total tape marge uses = Number of pieces × Each piece length

Total\ tape\ marge\ uses = (16* 3)/(8)

Total tape marge uses = 2 × 3

                                      = 6 inches

Therefore the total tape used by marge is 6 inches .
6 inches long. I used the formula 16 multiplied by 3/8.

Robert drew a parallelogram with 2 55 degree angles. What are the measures of the 2 other angles? Both of the angles have to be the same number

Answers

Angles in a parallelogram have to equal 360.

Let x represent the measurement of the unknown angle.

2(55) + 2x = 360
110 + 2x = 360
2x = 250
x = 125

125 degrees

How do you do square feet of outdoor carpet with holes in it?

Answers


Find the length and width of the carpet, and multiply the two numbers together. Depending on the size of the holes, you can just round the square footage to what you came up with before. If the holes are significantly sized, measure from one side of the hole to the other to find the holes diameter. Divide the diameter in half to find the radius, and square it. (To square it is multiplying it by itself.) Multiply the radius squared by 3.14. Repeat this on every hole, and subtract it from the square footage of the blanket if it didn't have the holes.

Use the table above. Find the measure of the central angle you would draw to represent apple juice in a circle graph

Answers

where is the table?
i might can answer it

Ms. Burger has graded 45 tests. This represents 60% of her 3 math classes. How many math students does Ms. Burger teach?

Answers

To find answers like this, you have to divide the percentage into the number given so:
45 / .60 = 75
She teaches 75 math students
- - To start off you are going to divide:

60%=0.60 (.60)

(45)/(.60) =75

Therefore 75 is your final answer.
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