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Sholpan [36]
3 years ago
7

collen plans to print x pictures from her camara at a drug store. the expression $0.2x represents the cost of developing the pic

tures if she is not a member of the store's photography club. if she is a member, then the total cost is given by $0.15x+$10. how much more will collen pay by not being a member if she develops 350 pictures?
Mathematics
2 answers:
Alex_Xolod [135]3 years ago
6 0

Answer:

$70

Step-by-step explanation:

350 x .2 = $70

lutik1710 [3]3 years ago
4 0

Answer:

$7.50

Step-by-step explanation:

<u>If she is not a member:</u>

to print 350 pictures, she will pay 0.2 * 350 = $70

<u>If she IS a member:</u>

to print 350 pictures, she will pay 0.15(350) + 10 = $62.5

THus, the amount she saves is 70 - 62.5 = $7.50

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The sum of three numbers is 10 The sum of twice the first number, 3 times the second number, and 4 times the third number is 27
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These box plots show daily low temperatures for a sample of days In two different towns
Natali5045456 [20]

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Choice A is correct

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Which of the following shows that ABCD is a parallelogram for x=6 and y =8? (20 points)
Reika [66]

Answer:

AB = CD = 44 and BC = AD = 31 ; so ABCD is a parallelogram

Step-by-step explanation:

A parallelogram should have two pairs of parallel sides meaning the length of side AB should be the same as the length of side CD and the length of side AD should be the same as the length of side BC.

<u>First, lets see if line AB is parallel to line CD.</u>

Let's start by finding out the length of line AB.

Since we know x = 6 we will replace x with 6 in the expression:

7(6) + 2 = 42 + 2 = 44

Now that we know the length of line AB is 44, lets find the length of line CD by replacing x with its value of 6:

9(6) - 10 = 54 - 10 = 44

Now that we know the length of line CD is 44, we can see that line AB is parallel to line CD since they both have the same length of 44.

<u>Now, lets see if line BC is parallel to line AD.</u>

Let's start by finding out the length of line BC.

Since we know y = 8 we will replace y with 8 in the expression:

3(8) + 7 = 24 + 7 = 31

Now that we know the length of line BC is 31, lets find the length of line AD by replacing y with its value of 8:

5(8) - 9 = 40 - 9 = 31

Now that we know the length of line AD is 31, we can see that line BC is parallel to line AD since they both have the same length of 31.

<u>Conclusion</u>

ABCD is a parallelogram because it contains two parallel sides.

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2 years ago
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