MATHEMATICS MIDDLE SCHOOL

20 POINTS! WILL MARK BRAINIEST FOR FIRST CORRECT ANSWER! The figures in (a) and (b) below are made up of semicircles and quarter circles; The figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of π.

Answers

Answer 1

Answer:

Answer:

brainly.com/question/8182874

Step-by-step explanation:

Answer 2

Answer:

Area: 5π/2 in²

Perimeter: (3π+2) in

step-by-step explanation:

Area =

larger semicircle + small semicircle

= ½(pi × r1²) + ½(pi × r2²)

r1 = 2 in

r2 = 2/2 = 1 in

Area:

½(pi × 2²) + ½(pi × 1²)

= 2pi + ½pi

= 5pi/2 in²

Perimeter:

½(2pi × r1) + ½(2pi × r2) + r1

½(2pi × 2) + ½(2pi × 1) + 2

2pi + pi + 2

3pi + 2

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What is the decimal equivalent of 9 11 ?

Answers

You mean 9/11?

Dividing 9 by 11 will give you the correct answer. It's that simple.
9/11 = 0.8181 recurring

so your answer is 0.8181

What is 35% as a fraction?

Answers

Every percent has a denominator of 100 because all percents are compared to 100%

35% is shown as $(35)/(100)$

So you can changed it to a decimal by dividing 35 by one hundred which is .35 and then multiply it by one hundred and turn it back to 35 but thats only if you want to see how the process works but 35 is 35% because its 35 over one hundred.

6. Jessie sorted the coins in her bank. Shemade 7 stacks of 6 dimes and 8 stacksof 5 nickels. She then found 1 dime and1 nickel. How many dimes and nickelsdoes Jessie have in all? (Lesson 2.12)

Answers

Lets write down the information that we know.

Jessie has 7 stacks of 6 dimes, so Jessie has a total of 6*7 dimes

Dimes=7*6=42dimes

Jessie has 42 dimes, but then she found another one so lets add one more dime.

42+1=43 dimes

Jessie has 8 stacks of 5 nickels, so Jessie has 8*5 nickels

Nickels=8*5=40nickels

Jessie has 40 nickels, but then she found another one so lets add 1 to the total number of nickels.

40+1=41nickels

Now we can answer the question.

How many dimes and nickels does jessie have in all?

nickels+dimes=
41+43=84 coins

Jessie has 84 coins in total

7 stacks of 6 dimes = 6•7 which is 42
8 stacks of 5 nickles = 8•5 which is 40
1 dime + 1 nickle
Add all of them together .......42+40+1+1=84

Hope this helped!❤️

What is the slope of this line?

Answers

The slope of this line is -1 because it goes down one and to the right one

Slope = (y2-y1)/(x2-x1)
Well use the two points: (-2,0) , (0,-2)
Slope = (-2 - 0) / (0 - -2)
Slope = (-2) / (2)
Slope = -1

What is the sum of 6 7/8 + 4 5/8

Answers

$6(7)/(8)+4(5)/(8)\n----------------\n6+4=10\n\n(7)/(8)+(5)/(8)=(7+5)/(8)=(12)/(8)=1(4)/(8)=1(1)/(2)\n\n10+1(1)/(2)=11(1)/(2)\n\n====================\n\n6(7)/(8)+4(5)/(8)=11(1)/(2)$

6, 7/8 + 4, 5/8 = 10, 12/8 = 11, 4/8 = 11, 1/2 (1/2 = 4/8 simplest form)
Hope that made sense :)

How is 10 2/3 written as a decimal to the nearest hundred

Answers

Answer:

10.67

Step-by-step explanation:

The 10 stays as it is. The 2/3 is approximated by 0.67 (to the nearest hundredth). Thus, we have 10.67 to the nearest hundredth.

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