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goldenfox [79]
2 years ago
8

You are shopping for school supplies. There is a sign at the front of the store advertising that you can either buy 4 binders an

d 4 notebooks for $17.00, or you can buy 2 binders and 6 notebooks for $15.50. Assume that the prices of binders and notebooks are constant. You have $30 total.
I. 6 binders and 8 notebooks

II. 8 binders and 6 notebooks

III. 12 binders

Which of the following combinations can you afford?
A. I only
B. I and II
C. I and III
B. II and III
Mathematics
1 answer:
Orlov [11]2 years ago
7 0

Answer:

A) I only

Step-by-step explanation:

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Mrs. Lee randomly surveyed 25 of her 125 students about their pets. Her survey
raketka [301]

Answer:

My figure would have 3 overlapping regions, each representing dogs, cats, or fish.  The overlapping parts represent those areas where owners have more than one pet.

Now, we know the number owners that have dogs is 14 (place this number outside one of the 3 large regions and call it dogs.  Do the same for cats (10) and fish (5).  At this point it's important to remember that only some of the 14 dog owners have only dogs.  Same for cats and fish.

In fact, we know that 4 owners have both dogs and cats.  So, on the figure where the dog region and cat region overlap, write 4.  Do the same where the dog and fish regions overlap and write 3.

What this means is that of the 14 dog owners, 7 of them own more than a dog.  So, 7 dog owners own only dogs:

14 - 7 = 7

Use the same approach for each of the other pets:

Cats: 10 owners have cats; 4 have dogs and cats and 1 has a cat and a fish.  So, 5 owners have only cats (10 - 5).

Fish: 5 owners have fish; 3 have dogs and fish and 1 has a cat and a fish.  So 1 owner has only fish (5 - 4).

Then, in summary:

Owners that have:

Only Dogs - 7

Only Cats - 5

Only Fish - 1

Dogs AND Cats - 4

Dogs AND Fish - 3

Cats AND Fish - 1

The total number of owners that have at least one pet then is:

7 + 5 + 1 + 4 + 3 + 1 = 21

So, since there are 26 total owners, 5 must not own a dog, cat, or fish.

hope it helps!!!!!!!!!!!!!!!!!!!

I put lot's of work into it

4 0
2 years ago
Rewrite the equation by completing the square.<br> x^2 - 4x + 3 = 0
Degger [83]

Answer:

the answer would be x=3,1

4 0
3 years ago
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If Trae Young's free throw percentage is 82%, what is the probability that he will make 2 free throws in a row. ** Remember P(A
zaharov [31]

Answer: c

Step-by-step explanation:

Because Giannis is better

8 0
2 years ago
HELP!!!! Match the following.
AlladinOne [14]

Answer:

Totalitarianism goes to C, Fascism goes to B, Communism goes to D, and Constitutional Monarchy goes to A

Step-by-step explanation:

Thats the way it works

5 0
2 years ago
Right trapezoid WXYZ is shown. Right trapezoid W X Y Z is shown. Sides X Y and W Z are parallel. Angle W is 73 degrees and angle
Sladkaya [172]

Answer:

∠WXY = 107°

Step-by-step explanation:

In a trapezoid, adjacent angles are supplementary, meaning they add up to 180°. ∠W and ∠WXY are adjacent, so they are supplementary. 180° - 73° = 107°.

Another way to do this is to know that there are 360° in a trapezoid. This is a right trapezoid, so two of the angles are 90°. One angle is 73°. 90° + 90° + 73° = 253°. 360° - 253° = 107°.

I hope this helps :))

3 0
3 years ago
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