MATHEMATICS MIDDLE SCHOOL

Hurry I need to turn this in soon!

Answers

Answer 1

Answer:

Answer:

16= 8d-16-4

16= 8d-20

36=8d

d=4.5

Step-by-step explanation:

First you need to distribute the 2 to the numbers in the parenthesis.

Then you need to combine like terms

then add 20 to 36

then divide 36 by 8 to find d

Answer 2

Answer:

Answer:

16= 8d-16-4

16= 8d-20

36=8d

d=4.5

Step-by-step explanation:

i just realised someone said this already...

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How many thirds in 5

Answers

5=(1)+(1)+(1)+(1)+(1)

=(1/3+1/3+1/3)+(1/3+1/3+1/3)+(1/3+1/3+1/3)+(1/3+1/3+1/3)+(1/3+1/3+1/3)

=3(1/3)+3(1/3)+3(1/3)+3(1/3)+3(1/3)

=15*(1/3)

There are fifteen thirds in five.

1/3 divide 5
1/3 divide 5/1
common denominator is 3
1/3 divide 15/3
=15
There are 15 thirds in 5

What is 600,000 ten thousands rename?

Answers

Six hundred and ten thousands

610,000

What is the approximate volume of the cylinder? height = 52.2 cm; diameter = 20 cm

A.
1640 cm3

B.
3300 cm3

C.
16,400 cm3

D.
65,600 cm3

Answers

h = 52.2 diameter = 20 cm
radius = 10 cm
Cylinder volume = π • r² • height
Cylinder volume = PI * 100*52.2

Cylinder volume = 16,399
answer is C

A triangle has an area of 45 square units. Its height is 10 units.What is the length of its base?

Answers

Area = (1/2)*base*height

45 = (1/2)*base* 10

45 = base*5

45/5 = base

9 = base

base = 9

The length of the base is 9 units.

Create a model to show 2(2x+3y)=4x+6y

Answers

2•2x= 4x
2•3y=6y

4x+6y=4x+6y
-4x -4x
6y=6y
-6y -6y
0=0

Which arrangement shows 27/5, 5.36, 5 3/5, and 33/6 in order from least to greatest?A. 5.36, 27/5 , 5 3/5 , 33/6

B. 27/5,5.36, 33/6, 5 3/5

C.5 3/5, 5.36, 27/5, 33/6

D.5.36, 27/5, 33/6, 5 3/5

Answers

To figure out these types of problems, you need to divide the numbers by each other, for example:
3/4 = 3 divided by 4= 0.75
So, in this problem, it isn't A, because if you divide the order is 5.36, 5.4, 5.6, and 5.5
B is 5.4, 5.36... and the rest doesn't matter because you already know that it is not in the correct order.
Then C is 5.6, 5.36... and then, like B, the rest does not matter because it is obvious that it is not in order from least to greatest.

So, you can assume that your answer is D, and if you check, this is the case because the order of the numbers becomes: 5.36, 5.4, 5.5, and 5.6, which is in order from least to greatest.

Therefore, your answer is D.

The easy way to find the answer is to convert them all to decimals so 27/5= 5.4, 5 3/5 = 5.6 and 33/6= 5.5

so the answer is D. 5.36, 27/5, 33/6, 5 3/5

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In a certain class of students, there are 12 boys from wilmette, 5 girls from kenilworth, 7 girls from wilmette, 4 boys from Glencoe, 2 boys from kenilworth and 9 girls from Glencoe. If the teacher calls upon a student to answer a question, what is the probability that the student will be from kenilworth?

62.5% as two equivalent forms

the teacher gave this pattern to the class the first term is 5 and the rule is add 4 subtract 1 each student says a number the first student says 5 victor is tenth in line what number should he say

Can the sum of two mixed numbers be equal to 2? explain why or why not.