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3 years ago

This is found by multiplying pi by the radius squared

1 answer:

7 0

Area of a circle is found by multiplying Pi times the radius squared. The radius of a circle is a segment that has its end points on the circle, and on the center of the circle, or you can think of it like, it goes halfway across the circle

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How many times larger is 8 x 108 than 2 x 104 ?

insens350 [35]

Answer:

4.15 times larger

Step-by-step explanation:

8x108=864

2x104=208

864/208=4.15

8 0

3 years ago

Graph each equation using the slope and the y-intercept. y = –2x + 0.5

Nostrana [21]

Answer:

Hey I don't I can graph it but I can give you the points.

Step-by-step explanation:

Table

-0.5 1

-2.5 4.1

0.42 -.84

Just try your best to estimate where it is supposed to be on a graph.

5 0

3 years ago

Solve for u. 31.25 = u/5

ipn [44]

Answer:

u = 156.25

Step-by-step explanation:

Step 1: Write equation

31.25 = u/5

Step 2: Solve for u

Multiply both sides by 5: 156.25 = u
Rewrite: u = 156.25

Step 3: Check

Plug in u to verify it's a solution.

31.25 = 156.25/5

31.25 = 31.25

3 0

4 years ago

Read 2 more answers

Kevin ran 4 miles more than Steve ran. The sum of

makvit [3.9K]

$x- Kevin\ distance\\\\y-Steve\ distance\\\\
x=y+4\\and\\x+y=26\\\\Substituting\ x=y+4\\\\
y+4+y=26\\\\2y=26-4\\\\2y=22\ \ \ |:2\\\\y=11\\\\x=11+4=15\\\\Steve \ ran\ 11miles.$

3 0

3 years ago

A bicycle that Brinley wants costs B dollars. This week the bicycle is being marked down 30%. Write two expressions that represe

kirill115 [55]

Answer:

Part A:

Expression 1: 0.7B

Expression 2: B - 0.3B

Part B:

$504

Step-by-step explanation:

Part A:

Original price: B

B is 100% of the price. The discount is 30%.

100% - 30% = 70%

After the discount, the price is 70% of the original price.

70% of B is the same as 0.7B

Expression 1: 0.7B

Original price: B

Discount: 30% of B

Discounted price = B - 30% of B = B - 0.3B

Expression 2: B - 0.3B

Part B:

Use Expression 1 to calculate the price.

0.7B = 0.7 * $720 = $504

5 0

3 years ago