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Alinara [238K]
3 years ago
7

Please help!! I need to know this by today

Mathematics
2 answers:
DiKsa [7]3 years ago
6 0
The answer is 94.2 cm. multiply 3.14*10*6 divide 2.

liraira [26]3 years ago
6 0
So to find out the surface area of the bottom of the pencil holder, we can use the formula for the area of a circle.

A(bottom)=πr²
plug in the data we know
A(bottom)=π6²
A(bottom)=π*36
A(bottom)=36π cm²

For the surface area of the side, we need to find out the circumference of the bottom circle and then multiply that by the height.

A(side)=C*h

C=πd
C=π12
C=12π

A(side)=12π*10
A(side)=120π cm²

Total surface area=36π+120π=156π or 490.09cm²
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Find the equation of the circle in standard form given the center, point or radius. Show your solution.
djyliett [7]

Answer:

(x + 3)^2 + (y - 5)^2 = 17

Step-by-step explanation:

To find the radius: distance from point (-2,1) to the center from point (-3,5).

d = sqrt [(-2 - -3)^2 + (1 -5)^2]

d = sqrt [(-2 + 3)^2 + (1 -5)^2]

d = sqrt (1)^2 + (-4)^2 = sqrt 17

Radius = sqrt 17

Equation of the circle:

(x - h)^2 + (y - k)^2 = r^2

h = 3, k = 5, r = sqrt 17

(x - -3)^2 + (y - 5)^2 = (sqrt 17)^2

(x + 3)^2 + (y - 5)^2 = 17

7 0
3 years ago
here are 100 points(please answer so you're answer does not get taken down) here is the question: What does 126×6=
malfutka [58]

Answer:

756

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
To estimate the mean score μ μ of those who took the Medical College Admission Test on your campus, you will obtain the scores o
Juliette [100K]

Answer: 0.4667

Step-by-step explanation:

According to 68–95–99.7 rule , About  99.7% of all data values lies with in 3 standard deviations from population mean (\mu).

Here , margin of error = 3s , where s is standard deviation.

As per given , we have want our sample mean \overline{x} to estimate μ μ with an error of no more than 1.4 point in either direction.

If 99.7% of all samples give an \overline{x} within 1.4 , it means that

3s=1.4

Divide boths ides by 3 , we get

s=0.466666666667\approx0.4667

Hence, So \overline{x} must have 0.4667 as standard deviation so that 99.7 % 99.7% of all samples give an \overline{x} within 1.4 point of μ .

6 0
3 years ago
The sum of 15 and the product of five and V
soldi70 [24.7K]

put it into an equation..

15+5v

sum is addition and product is multiplication

4 0
3 years ago
Evaluate |-11| + |-7|.<br><br> -18<br> -4<br> 4<br> 18
Marta_Voda [28]

Answer:  D) 18

======================================================

Explanation:

|-11| simplifies to 11

|-7| simplifies to 7

Whatever is inside the absolute value, you just remove the negative and that's the result of that absolute value expression. It represents the distance on a number line. So for instance -11 is 11 units from 0, which is why |-11| = 11.

Overall,

|-11| + |-7| = 11 + 7 = 18

4 0
3 years ago
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