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zysi [14]
3 years ago
14

I need someone to please explain to me how my homework is done cause I’m lost and it’s due in a bit so

Mathematics
2 answers:
slavikrds [6]3 years ago
4 0

Answer:

7 : 3

Step-by-step explanation:

Julli [10]3 years ago
3 0

Answer:

7:3

Step-by-step explanation:

In the big square, there are 100 tiny squares.

There are 70 shaded squares.

There are 30 unshaded squares.

The ratio is 70:30

Simplify by dividing by 10 on both sides.

7:3

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Mary ate 1 4/7 pies, while fred ate 1 4/7 pies. in total . how much pie did these two eat?
nydimaria [60]
Hi there, 1+1=2 and 4/7+4/7=8/7. Therefore, Mary and Fred ate 2 8/7 of the pie.
4 0
3 years ago
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Is the differenu<br> of 6 and 2?
frozen [14]

Answer:

4

Step-by-step explanation:

4

5 0
2 years ago
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The vertices of the triangle is A(-2,4), B(1,2), C(-2,-2)
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See description in the pic.

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3 years ago
A yogurt company claims that it prints a free yogurt coupon under a randomly selected 20% of its lids. A loyal customer purchase
Alona [7]

Answer:

The customer can conclude that the company's claim is correct

Step-by-step explanation:

The percentage of lids that has a free yogurt coupon = 20%

The number of cups a loyal customer purchases = 85 yogurt cups

The number of cups that contained a coupon = 12 (14.1%)

The confidence interval performed = 99% confidence interval for the proportion of yogurt cups containing coupon codes

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Therefore, the range of proportion within which the true proportion exists is 0.044 < \hat p < 0.238

The range of percentage within which the true percentage exist is therefore;

0.044 × 100 = 4.4%  < \hat p × 100 < 0.238 × 100 = 23.8%

Given that the possible true percentage of lids that has a coupon is between 4.4% and 23.8% at 99% confidence level, the customer can conclude that only 12 of his yogurt cup contained coupon by chance and that the company's claim is correct.

4 0
2 years ago
What is the probability of drawing a jack from a standard deck of cards, replacing it,shuffling, then drawing an ace?
xz_007 [3.2K]

- We have 52 cards in a deck of cards.

- We have 4 cards of the same number (4 jack, 4 aces...).

Probability of drawing a jack = 4/52

Probability of drawing a jack followed by an ace =(4/52)*(4/52)=0.00592

6 0
1 year ago
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