MATHEMATICS MIDDLE SCHOOL

What is the sum of these decimals 310.3 + 943.8 + 391.4

Answers

Answer 1
Answer:

Answer: 1645.5

Step-by-step explanation:
Answer 2
Answer: 310.3+943.8+391.4= 1,645.5

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What is 3/4 of a 2 liter bottle in millimeters

Factor the following.

Answers

Answer: E

Step-by-step explanation:

(3x^2 - 8) (3x^2 + 8)

You can get to the original equation by:

3x^2 * 3x^2 = 9x^4

-8 * 8 = - 64

9x^4 - 64

Answer:

E. (3x^2-8)(3x^2+8) is the correct answer.

Step-by-step explanation:

To factor this we use the differenceoftwosquaresformulabecause there are no common terms here.

9x^2-64

The square root of 9x^2= 3x^2

The square root of 64 is 8

(3x^2-8)(3x^2+8)

= 9x^2-64

You get back the answer. So it's correct.

What is 140 divided by 18 ??? someone please help

Answers

You can't do 140 divided by 18
or it will end up like this 7.77777777778
7.77777778 if you want you could put a line at the end and put 7.7^

The area of a trapezoid is 39 square millimeters. The height of the trapezoid is 6 millimeters. One of the base lengths of the trapezoidcis 5 millimeters. What is the length of the other base of the trapezoid?

Answers

the answers is really 
8mm
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Which fractions are greater than -5/16 ?

Answers

-5/16 

Our choices:-

A.-3/8
 
 
 B.-11/12
 
 
 C.-1/4
 
 
 D.-1/8

Let us get all of them with a LCD

-1*2 = -2
8*2 = 16

-2/16 is not bigger than -5/16

-11/12 is bigger than -5/16 because half of 16 is 8.

-1*4 = -4
4*4= 16

-4/16 is not bigger than -5/16

-1/8 is smaller than -5/16

Final answer: -11/12 is the only fraction bigger than -5/16
there are infinite fractions bigger than -5/16

The front wheel of a high-wheel bicycle from the late 1800s was larger than the rear wheel to increase the bicycle’s overall speed. The front wheel measured in height up to 60 in. Find the front wheel circumference and area of a high-wheel bicycle with a 60 in. front wheel.. about 377 in.; about 11,304 in.2
about 377 in.; about 2,827 in.2
about 188 in.; about 2,827 in.2
about 188 in.; about 11,304 in.2

Answers

Hello,

The radius of the front wheel of the grand bi, is 30 in.

Circumference=2π*30=188.4955...
Area=π*30²=2827.433 in²

==> ANSWER C

At the pumpkin patch, Fred picks a pumpkin that weighs 5,800 grams. If kg : g = 1 : 1,000, what is the weight of the pumpkin in kilograms?

Answers

It is 5.8 kilograms. 
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