The area would be approximately 153.94.

The area of a circle is pie multiplied by r^2.

So you have the radius, which is r. Plug in r. Technically you have two numbers because pie equals approximately 3.14.

A=3.14(7)^2

3 0

3 years ago

How many pints of blood does a person have for every 14 lbs of body weight?

-Dominant- [34]

Answer:

1 pint(of blood) for every 14 lbs of weight

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Sam started a dog-walking business. He charges $5 for each dog for a thirty-minute walk. How much dor

solong [7]

Answer: $\$10,\ \$5$

Step-by-step explanation:

(a) Given

Sam charge $5 for each dog for a thirty minute walk

For an hour which is double the thirty minutes, it must be double of the same charge.

$\Rightarrow 2\times 5=\$10$

(b)Given

With $20, Christie sells 100 cups of lemonade with a quarter per cup charge

For 100 cup, she generate a revenue of

$\Rightarrow \dfrac{1}{4}\times 100\\\\\Rightarrow \$25$

So, she earns $25-20=\$5$ that is , her profit is $\$5$

7 0

3 years ago

If v = -11i + 3j, 2u − v =

kicyunya [14]

Answer: 2u+11i-3j

Step-by-step explanation: plug in -11i+3j for v

distribute negative sign

5 0

4 years ago