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Elodia [21]
3 years ago
5

What is the best approximation for the area of this circle? Use 3.14 to approximate pi. 25.1 in² 50.2 in² 201.0 in² 803.8 in² Ci

rcle with radius labeled 8 in.
Mathematics
2 answers:
Greeley [361]3 years ago
5 0

Answer:

The best approximation is 201.0\ in^{2}

Step-by-step explanation:

we know that

The area of the circle is equal to

A=\pi r^{2}

In this problem we have

r=8\ in

\pi =3.14

substitute

A=(3.14)(8^{2})=201.0\ in^{2}

fenix001 [56]3 years ago
5 0
The formula for the area on a circle is pi x radius squared.
So by estimating, 8x8 = 64.
64 x 3 is about 200. So the area is estimated to be 201in^2
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Fred bought 4 liters of liquid laundry detergent 3,250 ml of fabric softener and 2.5 liters of bleach
Artist 52 [7]
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 
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For this case, the first thing we will do is take into account the following conversion of units:
 1L = 1000mL
 Applying the conversion we have:
 liquid laundry detergent: 4L = 4000mL
 Fabric softener: 3.250L = 3250mL
 bleach: 2.5L = 2500mL
 We now verify the options:

 4a. Fred bought 75 milliliters more fabric softener than bleach. True or False
 3250-2500 = 750 mL
 Answer: False.

 4b. Fred brought 1.75 liters more laundry detergent than bleach. True or False
 4-2.5 = 1.5L
 Answer: False.

 4c. Fred brought 750 milliliters more fabric softener than bleach. True or False
 3250-2500 = 750 mL
 Answer: True.

 4d. Fred brought 150 milliliters more laundry detergent than bleach. True or False
 4000-2500 = 1500mL
 Answer: False.

 4e. Fred bought 0.75 liters more laundry detergent than fabric softener. True or False
 4-3.250 = 0.75L
 Answer: True.

3 0
3 years ago
Help!
lara31 [8.8K]
Stacy has 126 plants in total by adding 54, 45 and 27. Ypu divide the total number (126) by 42 and you will get 3. So Stacy will have 3 rows and 42 plants in each row.

Hope this helped.

What is the greatest number of rows that Stacy can have is she wants to use all of her plants? 3 rows

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6 0
3 years ago
2 sin^2 + sin x - 3 = 0
denpristay [2]

Answer:

x = 2 π n_1 + π/2 for n_1 element Z

or x = π + sin^(-1)(3/2) + 2 π n_2 for n_2 element Z or x = 2 π n_3 - sin^(-1)(3/2) for n_3 element Z

Step-by-step explanation:

Solve for x:

-3 + sin(x) + 2 sin^2(x) = 0

The left hand side factors into a product with two terms:

(sin(x) - 1) (2 sin(x) + 3) = 0

Split into two equations:

sin(x) - 1 = 0 or 2 sin(x) + 3 = 0

Add 1 to both sides:

sin(x) = 1 or 2 sin(x) + 3 = 0

Take the inverse sine of both sides:

x = 2 π n_1 + π/2 for n_1 element Z

or 2 sin(x) + 3 = 0

Subtract 3 from both sides:

x = 2 π n_1 + π/2 for n_1 element Z

or 2 sin(x) = -3

Divide both sides by 2:

x = 2 π n_1 + π/2 for n_1 element Z

or sin(x) = -3/2

Take the inverse sine of both sides:

Answer:  x = 2 π n_1 + π/2 for n_1 element Z

or x = π + sin^(-1)(3/2) + 2 π n_2 for n_2 element Z or x = 2 π n_3 - sin^(-1)(3/2) for n_3 element Z

3 0
3 years ago
PLEASE HELP!!!!!!!!!!!!​
mina [271]

There's a theorem for this: the angle made by two intersecting secants of a circle has a measure equal to half the difference of the arcs the secants intercept. In this case,

<em>x</em> = (130° - 30°) / 2 = 50°

5 0
3 years ago
The football team is selling hats to raise $425 for a trip they have $175 already if the team member sell the hats for $12 each
xz_007 [3.2K]

Answer:

The minimum number of hats which team need to sell t make enough money for the trip is 21 .

Step-by-step explanation:

Given as :

The money which team needs for the trip = $ 425

The money which team already = $ 175

So, The rest money which team need = $ 425 - $ 175 = $ 250

Now, The sell price for the hats = $ 12

Let The minimum number of hats which team need to sell = x

So, According to question

∵ The rest money which team need = $ 250

The selling price of each hats = $ 12

Or,  The minimum number of hats which team need to sell = \dfrac{\textrm Rest money which team needs}{\textrm The selling price of each hats}

Or, x = \frac{250}{12}

∴  x = \frac{250}{12}

I.e x = 20.8

So, The minimum number of hats need to be sell = 20.8 ≈ 21

Hence The minimum number of hats which team need to sell t make enough money for the trip is 21 . Answer

4 0
3 years ago
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