MATHEMATICS MIDDLE SCHOOL

Whats the least common denominator of 2/5 1/2 and 3/4?​

Answers

Answer 1
Answer:

Answer:

20

Step-by-step explanation:

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What does the mode of this set of data represent?

Answers

It should be D because the mode is the value that occurs the most often. 

Factor the. expression x^2+ 18x +80

Answers

Answer:

(x + 10)(x+8)\n

Step-by-step explanation:

Step 1:  Factor

x^2+10x+8x+80

(x + 10)(x+8)\n

Answer:  (x + 10)(x+8)\n

Step-by-step explanation:

x²+18x+80= 0

x²+10x+8x+80=0

x(x+10) +8(x+10)=0

(x+10)(x+8)=0

How much is 30% of 300 dollars?

Answers

It would be $90 
(.30)(300)=90
30/100×300=30×3=90I am sure this helps

What is 70/800 as a terminating Decimal

Answers

This is not a terminating decimal because 70/800 can be 0.0875.
~JZ

At the local aquarium there are 10 dolphins 8 penguins and 4 whales what is the ratio of penguins to whales?

Answers

penguins to whales 8:4 ( 2:1 )
Penguins : Whales = 8 : 4

                                 = 2 : 1.

the area of a rectangle is 42 square inches and one side is 12 inches long . find the perimeter of the rectangle

Answers

The area is one side times the other side
Make the other side x.
12x=42
x=42/12=3.5
The perimeter is 2x+2y where x and y are sides of the rectangle.
P= 2(3.5)+2(12)=7+24=31 inches
Hope this helps. 

Answer:

The area is one side times the other side

Make the other side x.

12x=42

x=42/12=3.5

The perimeter is 2x+2y where x and y are sides of the rectangle.

P= 2(3.5)+2(12)=7+24=31 inches

Hope this helps.


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