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enot [183]
3 years ago
11

Sam counts how many people came to the local political meeting. He counts 72 people, but forgot about the 4 people sitting behin

d him.
The percent error in his calculation is __________.
Mathematics
1 answer:
Fudgin [204]3 years ago
8 0

Answer:

The percent error in his calculation is 5.26%.

Step-by-step explanation:

Percent error:

Number of misses multiplied by 100 and divided by the correct value.

In this question:

Total of 72 + 4 = 76 people. 4 were missed, so:

E = \frac{4(100)}{76} = \frac{400}{76} = 5.26

The percent error in his calculation is 5.26%.

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Cate and Elena were playing a card game. The stack of cards in the
Colt1911 [192]

Answer:

11

Step-by-step explanation:

So you first start off with 24, then you add 8 cards and take away 12 + 9 cards, making the equation:

24 + 8 - (12 + 9)

= 32 - 21

= 11

3 0
3 years ago
Pierce draws a circle with a radius of 3 centimeters. Ginna draws a circle with a radius that is twice as long as the radius of
erastova [34]

Answer:

Circumference of the circle drawn by Ginna is twice the Circumference of the circle drawn by Pierce.

Step-by-step explanation:

Given:

Radius of the circle drawn by Pierce = 3 cm

We need to find circumference of gianna's circle compare with the circumference of Pierce's circle.

Solution:

Radius of the circle drawn by Pierce = 3 cm

so we will find the Circumference of circle drawn by Pierce.

Now we know that;

Circumference of the circle is given by 2 times π times radius of the circle.

framing in equation form we get;

Circumference of the circle drawn by Pierce = 2\pi\times 3=6\pi\ cm

Now Given:

Ginna draws a circle with a radius that is twice as long as the radius of pierce's circle.

So we can say that;

radius of the circle drawn by Ginna is equal to 2 times radius of circle drawn.

so we can say that;

radius of the circle drawn by Ginna = 2\times3  = 6\ cm

Circumference of the circle drawn by Ginna = 2\pi\times 6=12\pi\ cm

Now we can see that;

Circumference of the circle drawn by Ginna is 12\pi \ cm while Circumference of the circle drawn by Pierce is 6\pi \ cm

So we can say that;

Circumference of the circle drawn by Ginna is twice the Circumference of the circle drawn by Pierce.

3 0
3 years ago
A 5 -ounce can of tuna cost $0.90. A 12- ounce can of tuna cost $2.40. which is the better buy?
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The 5 -ounce can. You can buy 3 5 oz cans for $2.70 which is 15oz
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3 years ago
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Black_prince [1.1K]
You can’t see the picture
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3 years ago
Ms. Huggins collected data from each of her four math classes to see if having an after-school job was independent or dependent
nikitadnepr [17]

Answer: B) independent because P(Boy)= P(Boy|Job)

Step-by-step explanation:

8 0
3 years ago
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