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katrin [286]
3 years ago
10

Smith has 12 cans of dog food. He has two dogs and gives 2/3 can of food to each dog in a day. For how many days will his dog fo

od last? *
Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
8 0

Answer:

He has food for 9 days.

Hence, yes he has enough dog food to last one week.

Step-by-step explanation:

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In a box there are six envelopes each containing two cards. Three of the envelopes contain two red cards, two of them contain a
Sphinxa [80]

Answer:

\frac{2}{5}

Step-by-step explanation:

3 envelopes having 2 red card

2 envelopes having 1 red card and 1 black card

1 envelope having 2 black cards

We are given that . An envelope is selected at random and a card is withdrawn and found to be red.

So, No. of ways of envelope having red card = 3+2 = 5

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So, probability of getting an envelope having 1 red card and 1 black card = \frac{2}{5}

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3 years ago
Which confidence level would produce the widest interval when estimating the mean of a population based on the mean and standard
Dvinal [7]
<h3>Answer:  A) 99%</h3>

Explanation:

The larger the confidence level, the wider the confidence interval gets. Choice A provides the largest such confidence level.

It's like trying to catch an elusive fish. The wider the net, the more confident that you are likely to catch the fish. The size of the net can be a sort of measure of the confidence level.

4 0
2 years ago
Read 2 more answers
Trapezoid ABCD has an area of 525 cm squared. If height AB = 21 cm and BC = 37 cm, what is the measure of AD?​
Annette [7]

Answer:

AD = 13

Step-by-step explanation:

Area of trapezoid ABCD

=  \frac{1}{2} (AB + AD) \times AB \\  \\  525=  \frac{1}{2} (37+ AD) \times21\\  \\  525 \times 2=  (37+ AD) \times21 \\  \\ 1050 = 21 \times 37 + 21AD \\  \\ 1050  = 777+ 21AD \\  \\  21AD  = 1050 - 777 \\  \\ 21AD  = 273 \\  \\ AD  =  \frac{273}{21}  \\  \\ AD  = 13

8 0
3 years ago
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Finger [1]

Answer:

Step-by-step explanation:

Choice A will be true, that is, Emily would fine the sauce too garlicky.

3 0
4 years ago
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