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Ber [7]
3 years ago
15

You can buy 3 apples at the Quick Market for $1.17. You can buy 5 of the same apples at Stop and Save for $2.55. Which place is

the better buy?
Mathematics
1 answer:
Savatey [412]3 years ago
3 0

Answer:Quick market is better place to buy apples.

Step-by-step explanation:

At market

Cost of three apples : $1.17

Cost one apples : \frac{\$1.17}{3}=\$0.39

At another Stop and Save:

Cost of five apples : $1.17

Cost one apples : \frac{\$2.55}{5}=\$0.51

Then ,Cost of three apples at Stop and Save : \$0.51\times 3=\$1.53

Since, the $1.17<$1.53 that is cost of three apples are less than that of the cost of three apples at Stop and Save.

Hence,Quick market is better place to buy apples.

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If PR = 4x – 2 and RS = 3x – 5, which expression represents PS?
seropon [69]

Answer:

7x-7

Step-by-step explanation:

We have been given that PR=4x-2 and RS=3x-5. We are asked to find the expression that represents length of PS.

We know that PS=PR+RS.

Upon substituting our given values in above equation, we will get:

PS=4x-2+(3x-5)

PS=4x-2+3x-5

PS=4x+3x-2-5

PS=7x-7

Therefore, the expression 7x-7 represents length of PS.

3 0
4 years ago
What is 4y - 9x + 3y - 2x when simplified?
pychu [463]

Answer:

A. -11x + 7y

Step-by-step explanation:

4y - 9x + 3y - 2x

4y + 3y = 7y

-9x - 2x = -11x

-11x + 7y

I hope this helps!

3 0
2 years ago
21 times 50=? will mark brainliest
elena-14-01-66 [18.8K]

<em>Answer,</em>

<em>21 * 50 = </em><em>1,050</em>

<em>Explanation Down Below,</em>



6 0
3 years ago
Read 2 more answers
Find all the polynomials f (t ) of degree ≤ 2 [of the form f (t) = a + bt + ct2] whose graphs run through the points (1, 3) and
Ugo [173]

Answer:

f(t) = 4 - 3t + 2t^2

Step-by-step explanation:

Given:

f(t) = a + bt + ct^2

Differentiate w.r.t. "t"

f'(t) = b + 2ct

1) f(1) = 3

a + b +c = 3...........1)

2) f(2) = 6

a + 2b + 4c = 6.........2)

3) f'(1) = 1

b + 2c = 1 ...............3)

Solving above three simultaneous equations:

a = 4

b = -3

c = 2

Therefore equation becomes:

f(t) = 4 + (-3)t + (2)t^2

3 0
3 years ago
Find the slope of the line going through the points (5, 2) and (0,-13)
sladkih [1.3K]

Answer:

Slope=3

Step-by-step explanation:

y2-y1/x2-x1

13-2/0-5

13-2=-15

0-5=-5

-15/-5 negative/negative=positive

3

3 0
4 years ago
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