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Andru [333]
2 years ago
15

Im not sure if its too small or not

Mathematics
1 answer:
beks73 [17]2 years ago
6 0

Answer:

area of ring shape =

(\pi \times 6 \times 6) - (\pi \times 4 \times 4)

=

36\pi - 16\pi

=

20\pi square inches

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Simplify 4(х + 7) - 7х + 2. А. 11х + 9 В. 11х + 30 с. -3х + 9 D. -3х + 30
BartSMP [9]

Answer:

-3x+30

Step-by-step explanation:

4\left(x+7\right)-7x+2

Expand 4(x+7)= 4x+28

4x+28-7x+2

Simplify 4x+28-7x+2

-3x+30

7 0
2 years ago
WILL MARK BRAINLIEST!!! PLEASE ANSWER!!! WRONG ANSWERS JUST FOR POINTS WILL BE REPORTED!!!!!!!!!!!!!!
alexgriva [62]

Answer:

916.1 cm^3

Step-by-step explanation:

1) find the radius of the cylinder:

radius = dimater / 2 = 7,3 / 2 = 3.65 cm

2) find the base area of the cylinder:

base area = radius^2 x 3.14 = 3.65^2 x 3.14 = 41.83265 cm^2

3) find the height of the cylinder:

height = 7.3 x 3 = 21.9 cm

4) find the volume

V = base area x height = 41.83265 x 21.9 = 916.135035 cm^3

5) round to nearest tenth:

916. 1 cm^3

5 0
3 years ago
a 3-year lease costs $324 a month and a 2-year lease costs $392 a month for the same car. On the lease signing date Matt Grove m
asambeis [7]
The more expensive plan is the 3 year plan. He should expect to pay 306 a per month with would be 3682 (if I’m right) sorry about the other person I reported their answer
4 0
2 years ago
PLEASE HELP WITH THIS ONE AS WELL! I’m struggling with Transcendental Functions!
Svetach [21]

h(x)=20e^{kx}

a. If h(1)=20, then 20=20e^k\implies e^k=1\implies k=0.

b. If h(1)=40, then 40=20e^k\implies e^k=2\implies k=\ln2, so that 2k+1=2\ln2+1.

c. If h(1)=10, then 10=20e^k\implies e^k=\dfrac12\implies k=-\ln2, so that k-3=-\ln2-3.

3 0
3 years ago
If your salary is $42,500 and your federal income taxes are 10% of your salary, how much money will you owe this year in federal
Zarrin [17]
I'm assuming that the salary is for the whole year. If it is not, do tell me. 
Tax = 10/100 * 45000
       = 4500
 You owe $4500 in federal taxes.
6 0
2 years ago
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