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Radda [10]
3 years ago
15

Find the area of a circle with a circumference of 6.28 units ​

Mathematics
1 answer:
ad-work [718]3 years ago
8 0

Answer 3.14

Step-by-step explanation:

Area= pi*r^2

Circumference=2*pi*r

Area=C^2/4pi= 6.28^2/4*pi which ='s 3.13841

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Laura ran t minutes on Monday, and 15 more minutes on Tuesday. Record using algebra: If on Wednesday, Thursday, and Friday Laura
olya-2409 [2.1K]

Monday: t minutes

Tuesday: t + 15 minutes

Wednesday: t minutes

Thursday: t minutes

Friday: t minutes

Monday+Tuesday+Wednesday+Thursday+Friday= minutes ran

t+t+15+t+t+t=

5t+15 minutes

8 0
3 years ago
Use the diagram to find the domain and range of f.<br> The domain is ​{___}
adelina 88 [10]

Answer:

can i see a pic

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
An above-ground swimming pool is leaking. The function h(d) = 48 - 1. 5d gives the height of the water in the pool in inches d d
MAXImum [283]

Answer:

A) 48 in : initial height of the water

B) 40.5 in : height of the water after 5 days

C) 32 days

D) Yes, should be restricted.

Domain: 0 ≤ d ≤ 32

Step-by-step explanation:

h(d) = 48 - 1. 5d

A)  

h(0) = 48 - 1. 5(0)=48

48 in is the initial height of the water

B)

h(5) = 48 - 1. 5(5)=48-7.5=40.5

40.5 in is the height of the water after 5 days

C) when the pool is empty, h = 0.

So set the equation to zero and solve for d.

\implies 48 - 1. 5d=0\\\\\implies 1.5d=48\\\\\implies d=\dfrac{48}{1.5}\\\\\implies d=32

D) Yes, the domain should be restricted because when d > 32, h < 0 and the height of the water in the pool cannot be negative

Domain: 0 ≤ d ≤ 32

5 0
2 years ago
Fabric is sold by the yard and many fabrics are 48" wide (4feet). Designers calculate the square feet needed for a garment in or
Natali5045456 [20]

Answer:

How many yards of material does the designer need for the 6 skirts? = 12

How much will ALL the fabric cost? = $150.84

What is the cost of the fabric of ONE skirt? = $12.57

Step-by-step explanation:

How many yards of material does the designer need for the 6 skirts?

First, it says that the yard is 48" wide aka 4 feet. But since it's asking for a total of 6 skirts, you multiply the yard by the number of skirts. Let's try to multiply 48 with 6.

  48

<u>x   6</u>

288

So it will be 288 yards of material but we need to multiply 4 with 6.

  4

<u>x 6</u>

24

So as you can see, 24 is 12 times as many as 288.

If you multiply 24 with 12, you will get the result of 288.

So the answer is 12 yards of material.

-----------------------------------------------------------------------------------------------------------------

How much will ALL the fabric cost?

First, it says that the cost of the fabric is $12.57 per yard.

So, since we got our answer as 12 for our first question, we gotta multiply $12.57 with 12.

    12.57

<u>x        12</u>

 150.84

So the answer is $150.84.

-----------------------------------------------------------------------------------------------------------------

What is the cost of the fabric for ONE skirt?

First, again we check that it's $12.57 per yard.

So, if it's for only one skirt, it will be $12.57.

It says that the fabric cost $12.57 and for one skirt.

-----------------------------------------------------------------------------------------------------------------

Hope this helped! I tried to help though. I didn't read the whole thing but I tried to solve your 3 questions :) !

7 0
3 years ago
Read 2 more answers
a trail mix has 4 cups of raisins, 3 cups of dates, 6 cups of peanuts, and two cups of cashews. Which ingredients are in the sam
stiv31 [10]
The ratio of dates to peanuts is the same as cashews to raisins. Simplified, both ratios equal 1/2.
8 0
3 years ago
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