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2 years ago

15

Answer to math class

1 answer:

Fantom [35]2 years ago

5 0

1/3 of 12,000 ballots were thrown out.

1/3 * 12,000 = 12,000/3 = 4,000

4,000 ballots were thrown out.

12,000 - 4,000 = 8,000

There were 8,000 ballots left.

1/4 of 8,000 ballots are for candidate A.

1/4 * 8,000 = 8,000/4 = 2,000

Candidate A received 2,000 votes.

8,000 - 2,000 = 6,000

Candidate B received 6,000 votes.

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A study showed that low intensity shock therapy reduces pain levels in patients with lupus. during each session electrodes ar

Irina18 [472]

Answer:

it would be answer a

Step-by-step explanation:

that's all i have

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2 years ago

A rectangle had a length of 2x-7 and a with of 3x+8y. Write and simplify an expression for the perimeter of that rectangle?

wel

Answer:

Step-by-step explanation:

A rectangle had a length of 2x-7 and a width of 3x+8y

Perimeter P = 2(l + w)

P = 2(2x - 7 + 3x + 8y)

P = 2(5x + 8y - 7)

P= 10x + 16y - 14

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3 years ago

What is the volume of a sphere with a radius of 6 mm?

Mrrafil [7]

Answer:

$V = 904.779\,mm^{3}$

Step-by-step explanation:

The volume of a sphere can be determined by using the following formula:

$V = \frac{4\pi}{3}\cdot r^{3}$

$V = \frac{4\pi}{3}\cdot (6\,mm)^{3}$

$V = 904.779\,mm^{3}$

5 0

2 years ago

A 270 feet escalator is leaning against a wall and makes a 53 angle with the floor. How high does the escalator reach the wall

r-ruslan [8.4K]

Answer:

x=215.63 ft

Step-by-step explanation:

sin(53）=x/270

x=270sin(53)

x=215.63 ft

5 0

2 years ago

The complement of angle a is 20° less than half the supplement of angle a. find the measure of angle a.

igor_vitrenko [27]

Answer:

∠a=40°

Step-by-step explanation:

complement of angle a=90-a

supplement of angle a=180-a

90-a=1/2(180-a)-20

multiply by 2

180-2a=180-a-40

180-180+40=-a+2a

a=40

8 0

8 months ago