MATHEMATICS MIDDLE SCHOOL

7square root 2535 please simplify

Answers

Answer 1

Answer:

Answer:

$13√(15)$

Step-by-step explanation:

$√(2535)$

$√(13^2*15)$

$13√(15)$

Answer: $13√(15)$

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Subtracting integers by adding opposite

Answers

Are you looking for an explanation? That's all I can give. Let me give you an example. 5-5 is 0, right? Well, what is 5 plus -5? It's still 0! Cool, right? 10-5 is 5, and 10 plus -5 is also 5.

Round 4770 to 1 significant figure.

Answers

5000. You round up the first 7

What is the simplest form of 12/60

Answers

1/5
because if you divide it by 12, 1/5 will be your answer

the answer is 1/5 because you have to divide by 12

In a group of 120 seventh graders. 30% have completed their science project. How many students have completed their science project.

Answers

Answer: 36

Step-by-step explanation:

120 students is the same as 100%, so you would divide 120 by 100 and your quotient would be 1.2 Then you multiply 30 by 1.2, since you would multiply 100 by 1.2 to get 120. 30×1.2=36. So 36 seventh graders have completed their science project.

Simplify -2[9 - (x + 7)]

Answers

Hey there! $-2[9 - (x + 7)] \n \n \n( -2(9) + -2(-x) + -7) \n \n -2(9) +-2(-x) + -2 (-7) \n \n \n -2(9) = -18 \n-2(-x) = 2x \n -2(-7) = 14 \n \n \n -18 + 2x + 14 \n \n \n \n Combine \n like\n terms: -18 , 14 \n \n \n -18 +14 = -4 \n \n \n \n Answer: 2x - 4 \n \n \n \n \n \n Good\n luck \n on \n your \n assignment \n and \n enjoy \n your \n day!$

~ $LoveYourselfFirst:)$

Answer:

-4x+2

Step-by-step explanation:

How does the area of the triangle relate to the area of the square? Please Explain!!! I really don't get it!

Answers

A square has 4 right angles and 4 equal sides.
If you draw a diagonal through the square then you get two right triangles. So the area relation between a square and a right triangle is going to be half. The area of the triangle is half the area of the square.

Also the formula for area of a square is length times width.
And the formula for the area of a right triangle is 0.5 times length times width.

So if you set up the equation (let's use * as multiplication symbol ):

Area of a Square : Area of a Right Triangle
length * width : 0.5 * length * width
(Divide by length * width on both sides)
1:0.5 or 2:1

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