MATHEMATICS MIDDLE SCHOOL

What is the approximate area of a circle with a radius of 14 cm? use ≈3.14π 153.9

2461.8

87.9

615.4

Answers

Answer 1
Answer: Given:
Radius = 14 cm
pi = 3.14

Area of a circle = π r²
A = 3.14 * (14cm)²
A = 3.14 * 196 cm²
A = 615.44 cm²

The approximate area of a circle with a radius of 14cm is 615.4cm²
Answer 2
Answer: AREA:3.14 times 14 square means 14 times 14= 196  than 196 times 3.14 which is 615.4 is the answer hope this helps:)

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What is the value of 4w+12y if w =4 and y = 8?
What kind of function is f(x)?
What is the answer to 6=-w/8
What is 8.525 rounded to the nearest tenth
23 7/5simplest form

I need help on this question

Answers

500(.25)=125 is the answer

During c basketball game, Deshown made 24 baskets out of 30 shots. Cody made 18 basketsout of 20 shots Who mode a greater percent of their shots?
What percent of his shots did DeShawn make?
?
% of his shots

Answers

Answer:

1. Cody made a greater percentage (i.e 90%) of his shots

2. Deshown made 80% of his shots

Step-by-step explanation:

To know who have a higher percentage, let us calculate their individual percentage. This is illustrated below:

For Deshown,

He made 24 baskets out of 30 shots.

The percentage of shot made = 24/30 x 100 = 80%

For Cody,

He made 18 baskets

out of 20 shots

The percentage of shot made = 18/20 x 100 = 90%

From the above calculations, Cody made greater percent of his shots

Answer:

1. Deshown made 80% of his shots

2. Cody made a greater 90% of his shots

3. Cody made a greater percent of his shots

Are the graphs of the lines in the pair parallel? Explain.
y = 3/7x+ 11 –3x + 7y = 13

Answers

Remember that parallel lines have the same slope.

y=3/7x+11 (in slope intercept form already)

-3x+7y=13 (standard form)

Add 3x to both sides, giving you 7y=3x+13, divide by 7 on both sides, giving 


y=3/7x+13/7

Since both equations' slopes' are the same, their graphs will be parallel.

Charlie bought a 2and 1 half bag of oranges for $3.75.What is the cost of one pound of oranges?

Answers

Charlie buys 2.5 pounds of oranges for 3.75.

To find out how much he will pay for 1 pound of oranges, use the proportion

2.5/3.75 = 1/x
Cross multiply to get x = $1.50 per pound of oranges.
Let  number be "x"( the cost of one pound of oranges ) ;
( 2  1 / 2 )x = 3.75 ;
( 5 / 2 )x = 375 / 100 ;
x = ( 375 / 100 )×( 2 / 5 ) ;
x = 750 / 100 ;
x = $7.50 ;

An amusment park charges $35.50 for admission. On Saturday, 6,789 people visited the park. ABOUT how much money did the park earn from the admission that day? Thanks a MILLION if you help me :D!!

Answers

Suprisingly the answer is $280,000. This is answer because when you round 35.50 it is 40. When you round 6,789 it is 7,000. 40 times 7,000 is 280,000

~JZ
$35.50 × 6,789= 241,009.5
if you want to round it. it should be approximately 241,010.00

- How is the formula for the perimeter of a rectangle an application of the Distributive Property

Answers

distributive is
a(b+c)=ab+ac
ab+ac=a(b+c)

perimiter of a rectangle=distance around

we have
P=L+W+L+W if we go around
so
P=L+L+W+W
P=2L+2W
undistribute 2
P=2(L+W)
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