She needs to purchase a cover to protect the hot tub of an area of 38.5 square feet.
<h3>What is a circle?</h3>
It is a locus of a point drawn at an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.
Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub.
The area of the circle is given by

We have d = 7 ft, then the area of the circle will be

More about the circle link is given below.
brainly.com/question/11833983
Answer:
12.57cm
Step-by-step explanation:
the diameter is 4cm, so the radius is 2cm (radius is half the diameter)
the circumference of a circle is 2 x pi x radius
so simplified is 4 x pi
which is 12.57cm
hope this helped!!
Answer:
1, 4, 3, 2, 6, 5
Step-by-step explanation:
There is X pounds of butterscotch
There is Y pounds of peppermint
It costs $2.35 per pound of peppermint
It costs $2.15 per pound of butterscotch
It costs $2.20 per pound of the mixture
It costs $22.00 to buy the whole mixture
The answer is 0.75
0.75 = 3/4