MATHEMATICS MIDDLE SCHOOL

PLEASE HELP!!!Which pair of rectangles is similar?

A. 1 rectangle is 3 and 8 2 rectangle is 2 and 6

B. 1 rectangle is 3 and 6 2 rectangle is 2 and 9

C. 1 rectangle is 3 and 8 2 rectangle is 2 and 5

D. 1 rectangle is 3 and 9 2 rectangle is 2 and 6

Answers

Answer 1
Answer: Let us use proportion:
a:b = c:d
where: 
ad = bc

A) 3:8 = 2:6 ⇒ 3*6 = 8*2 ⇒ 18 = 19 NOT

B) 3:6 = 2:9 ⇒ 3*9 = 6*2 ⇒ 27 = 12 NOT

C) 3:8 = 2:5 ⇒ 3*5 = 8*2 ⇒ 15 = 16 NOT

D) 3:9 = 2:6 ⇒ 3*6 = 9*2 ⇒ 18 = 18 YES!!!

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If Y varies directly as X and y=12 when x= 9. Find the constant of variation. A. 3/4 B.4/3 C.4 D.3

How do you find the steepness on a graph?

Answers

To find the steepness of the graph we need to find the slope of the graph.

What is the slope of the graph?

The slope is the inclination of the graph from the x-axis, for a straight line we define the slope, for a curve at a point we define the slope of its tangent as the slope of the curve.

How to find the steepness/slope of the graph?

To find the slope of the graph, we find the angle the line makes from the x-axis and then find the tangent of the angle, so the slope or the steepness can be found by either using the points that the line passes through or finding the derivative of the curve at that certain point and we get the slope of the graph.

Learn more about slope/steepness here

brainly.com/question/27877215

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Hi there! It depends on how high the value is.

~Please only answer if you know for sure~

Answers

\frac{3}4 of 540 is \frac{3\cdot540}4=405 miles. Those will hence be traveled in (405)/(45)=\boxed{9\text{ hours}}

the area of a rectangle is 100 Sq inches. the perimeter of the rectangle is 40 inches. a second rectangle has the same area but a different perimeter. is the second rectangle a square? explain why or why not.

Answers

A rectangle with an area of 100 square inches and a perimeter of 40 feet must have sides of 10 feet each, making it a square. A rectangle with the same area and any other perimeter would therefore not be a square.

Adrian knows that the quotient of 0.75 divided by 0.8 is less than 1. He knows that the quotient of 0.8 divided by 0.75 is greater than 1.Explain how Adrian can know this without doing the division.

Answers

Hey There!

Adrian knows this because whenever you divide something less than the number you are dividing, in this case, then the quotient will be less than one. If you divide something that is greater than the number you are dividing, than in this case, the answer will be greater than one.

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How is 3/4 written in decimal

Answers

3/4

= 0.75

Divide and move the decimal 2 places to the left. 
0.75 is how 3/4 is written in decimal

What is the value of the ratio 18:21??

Answers

Answer:

18:21 is equivalent to 18/21. When you simplify 18/21, you get 6/7

Answer:

85.714285714286%

Step-by-step explanation:

i hope this helps, if you are looking for the percentage.

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