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Nimfa-mama [501]
3 years ago
7

Find the volume and show work

Mathematics
2 answers:
Alona [7]3 years ago
6 0

Answer:

56.52

Step-by-step explanation:

2x3.14 for circle x 9 height

eduard3 years ago
5 0

Answer:

12pi

Step-by-step explanation:

Use the equation for volume:

pi(r^2)*h/3

pi*(2^2)*(9/3)

pi*4*3

12pi

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The sale tax in a certain state is 5 1/2%. What would be the tax on an item that costs $535.00
nexus9112 [7]

Answer:

$29.43

Step-by-step explanation:

5 1/2 % or 5.5% is 0.055 as a decimal.  Multiply 535 by 0.055 to find what 5.5% of 535 is...

0.055(535) = 29.425

Since we're working with dollars, round to the nearest hundredth, which is

$29.43

7 0
4 years ago
Which graph represents the following system of inequalities? y>(1)/(2)x-1 y<=-x+1 y>-2x-1
raketka [301]

Answer:

?  We don't see any graphs to choose from

Step-by-step explanation:

y>\frac{1}{2}x-1  Graph a dotted line (to show it's not included) with y-intercept 1 and slope 1/2.  Test the origin (0, 0) in the inequality:

0 > \frac{1}{2}0 - 1 = -1  This is true, so shade the side of the line that the origin is on (above the line).

Next inequality...

y \le x+1  Graph a solid line with y=intercept 1 and slope 1.  Test the origin.

0 \le 0+1=1  True! Shade the side of the line the origin is on (below the line).  See image2, attached.

y>-2x-1  Graph a dotted line with y-intercept -1 and slope -2.  Test the origin (0, 0).

0>-2(0)-1=-1  True, so shade the side the origin is on (above the line).

The solutions are located where all the shadings intersect.  See image3.  The solutions are above the red line, above the green line and below the blue line.

4 0
3 years ago
Write the scientific notation in numerals. 6.4 x 107
bezimeni [28]

Hey!

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

Writing scientific notation in numeral is solving for the equation.

Multiply 10 to 6.4 seven times.

6.4 x 10 = 64

64 x 10 = 640

640 x 10 = 6,400

6,400 x 10 = 64,000

64,000 x 10 = 640,000

640,000 x 10 = 6,400,000

6,400,000 x 10 = 64,000,000

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

Hope This Helped! Good Luck!

3 0
4 years ago
Identify the y-intercept ​
Andrews [41]

Answer:

- 3

Step-by-step explanation:

y = mx + p

p: y intercept

p = -3

7 0
3 years ago
Read 2 more answers
Wahat are 3 ways to solve 12×15 math problems
Rom4ik [11]

Answer:

12 times 15 = 180 , 12+12+12+12+12+12+12+12+12+12+12+12+12+12+12=180, 12 times 15=180

Step-by-step explanation:

3 0
3 years ago
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