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erica [24]
3 years ago
13

Alexandra has $15 to buy drinks for her friends at the baseball game. Soda

Mathematics
1 answer:
EleoNora [17]3 years ago
6 0

Answer:

C

Step-by-step explanation:

write an equation for the costs:

if x is the number of sodas

and y is the number of waters

2.75x + 2y <= 15

(<= is less than or equal to)

if we substitute 3 for y

we get 2.75x + 2(3) <= 15

2.75x + 6 <= 15

2.75x <= 9

9 / 2.75 = 3.2727

however, you cannot buy part of a soda

so, round to 3

you also cannot buy negative sodas

so, the answer is C

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Trigonometry
Leona [35]

Answer:

7 units

Step-by-step explanation:

These points lie on the same horizontal line.

No vertical distance

Only horizontal distance of:

15-8 = 7 units

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4 years ago
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leva [86]

-10 and -1

Step-by-step explanation:

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3 years ago
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andrew-mc [135]
4n² - 15n + 14<span> is always the product of two numbers, for it to be prime number, one of these factors must be either 1 or -1.

Case n - 2 = 1
That would be n = 3
Then </span>4n² - 15n + 14<span> = 5 , which is prime.

Case n - 2 = -1
That would be n = 1
Then </span>4n<span>² - 15n + 14 = 3, which is also prime.

Case 4n - 7 = 1
That would be n = 2 and that makes other factor (n-2) zero so it's not prime

Case 4n-7 = -1
That would be n = 3/2 which is not integer, so </span>4n<span>² - 15n + 14 will not be interger.

For any other n values, </span>4n<span>² - 15n + 14 will be composite number since it is product of two factors.

Therefore we are left with n = 1 and n = 3; only two values of n.</span>
5 0
3 years ago
Need help with solving and understanding
prohojiy [21]
Let start off with 5/8+7/8= 1 4/8
Now it's 13+1 4/8= 14 4/8 or 14 1/2 :)
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3 years ago
Consider the point​ (x,y) lying on the graph of the line 6x + 4y = 7. Let L be the distance from the point​ (x,y) to the origin​
alukav5142 [94]

Try this solution, note, the shown way is not the shortest one.

The answer is marked with red colour.

5 0
3 years ago
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