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Solnce55 [7]
2 years ago
6

Find the exact area of the shaded please helppp ILL GIVE BRAINLIESTTTTTT

Mathematics
1 answer:
musickatia [10]2 years ago
8 0

Answer:

The exact area is 5\pi

Step-by-step explanation:

The area of the major circle is subtracted from the area of the minor circle (blank)

Major circle

r=\frac{6}{2} =3

A=\pi r^{2} =\pi (3)^{2} =\pi (9)=9\pi

Minor circle:

r=\frac{4}{2} =2

A=\pi r^{2} =\pi (2)^{2} =\pi (4)=4\pi

The shaded area:

9\pi -4\pi =5\pi

Hope this helps

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Drag the phases into the box to match the expression
Annette [7]
1- one half more than three fourths of a number
2- three fourths minus one half of a number
3- three fourths minus the sum of a number and one half
HOPE THIS HELPS!!
4 0
3 years ago
Hurry which one ITS NOT 270 <br><br> A.84<br> C.128<br> D.540
Rashid [163]

Answer:

84 cm^2

Step-by-step explanation:

The area of a triangle is

A = 1/2 bh where b is the length of the base and h is the height

A = 1/2 ( 5+9) * 12

A = 1/2 (14) * 12

A =84

7 0
2 years ago
PLEASE HELP WILL MARK BRAINLY
Alenkinab [10]

Answer:

1: $53750

2: $15975

3: 40

4: 90

5: 51

6a: 20%

6b:204

Step-by-step explanation:

1: to calculate this mulitply 50000*1.075= 53750

2: same deal 15000*1.065=15975

3: We have a ratio of 3:2 and then 60:x because we multiplied the first ratio by 20 to get the 60 in the second we multiply the 2 by 20 as well and get x=40

4: This one is kind of tricky. we know that there are 4 dogs for every 3 cats. We also know that there are 210 animals. This means that 4x+3x=210 solve this and get x=30 you then multiply the ratio 4:3 by 30 and get 120:90

5: 1/5*255=51

5a: 1/5=.2=20%

5b: 255-51=204

5 0
3 years ago
Read 2 more answers
Which expression is equivalent to 2.2 − 0.5(0.6x − 1.8) ?
yawa3891 [41]

Answer:

D is equivalent to the expression.

Step-by-step explanation:

The expression that is given equals 2.8, or 2.8x.

A. This expression equals 1.6x, and 1.6x is not equivalent to 2.8x

B. 0.3x + 3.1 = 3.4x. This doesn't have the answer of 2.8x.

C. 1.3 - 0.3x = 1 or x.

D. 3.1 - 0.3x = 2.8x. D is the answer.

8 0
3 years ago
At the beginning of year 1, Matilda invests $450 at an annual simple interest rate of 5%. She makes no deposits to or withdrawal
Nataliya [291]
Given:
Initial investment 450
annual simple interest rate of 5%

Simple interest = Principal * interest rate * term
Simple interest = 450 x 0.05 x 14
Simple Interest = 315

Balance after 14 years: 450 + 315 = $765

We can use compounding interest, compounded once a year.

Total balance = Principal * (1 + interest rate / number of compounding)^(# compounding * term)

Total balance = 450 * (1.05)¹⁴
Total balance = 450 * 1.98
Total balance = 891

Based on these scenarios, the formula that will be used is the second formula, compounding interest formula. The balance at the beginning of year 15 is $891.

I used 14 as the number of years because the problem states at the beginning of year 15. This means 15 has not yet begun and interest is not yet earned.
5 0
3 years ago
Read 2 more answers
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