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Alex787 [66]
3 years ago
10

Write an equation, in slope-intercept form, to model each situation. You rent a bicycle for $20 plus $2 per hour.​

Mathematics
1 answer:
Leona [35]3 years ago
3 0
Y=2x+20 x represents hours
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. Three types of shirts sold at a store cost $9.00, $11.00, and $12.50. One day, the store sells a total of 23 shirts and makes
lbvjy [14]

Answer:

X + 3y = 23

9x + 36y = 243

11 shirts sold at $9.0 per shirt, 4 shirts sold at $11 per shirt and 8 shirts sold at $12.5 per shirt

Step-by-step explanation:

-----Since we are told to assume that the number of shirts sold for $9.00 each is x, that of $11.00 is y and also that of $12.50 is z.

9x + 11y + 12.5z = 243

9x + 11y + 12.5(2y) = 243

9x + 36y = 243_______ equation 1

----- The statement also read that One day, the store sells a total of 23 shirts and makes $243 on the sales. TWICE AS MANY SHIRTS WERE SOLD FOR $12.50 THAN WERE SOLD FOR $11.00

Z = 2y

x + y + z = 23

X + y + 2y = 23

X + 3y = 23_____ equation 2

Now multiply the above by 9 to have this equation's "x" sharing the same coefficient with that of equation 1

9x + 27 = 207 will be the new one___equation 3

-----Subtract equation 3 from 1 and we have

9x + 36y = 243____ equation 1

9x + 27y = 207____ equation 3

9y = 36

Y = 4

-----Substitute y = 4 in equation 2

X + 3y = 23

X + 4(3) = 23

X + 12 = 23

X = 23 - 12

X = 11

-----Remember that x + y + z = 23

11 + 4 + z = 23

15 + z = 23

Z = 23 - 15

Z = 8.

So therefore, x =11 shirts, y = 4 shirts and z = 8 shirts

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3 years ago
The table shows the total time it took Samir to read 0,1,2, and 3 pages of the book. The table also list this information as ord
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Ok, but where is the table???
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Write the fractions in order starting with the smallest 9/8 , 5/4 , 19/16, 3/2.​
Kipish [7]

Answer:

9/18, 19/16, 5/4, 3/2

Step-by-step explanation:

3 0
2 years ago
Which of the following would give the correct binomial expansion for the expression below?
12345 [234]
4x-8=0
4(x-2)=0
x-2=0
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3 0
3 years ago
Read 2 more answers
I'M GIVING BRAINLIEST TO WHOEVER ANSWERS FIRST! GOOD LUCK!
zloy xaker [14]

Answer:

3x - 24

Step-by-step explanation:

this is probably wrong

3 0
3 years ago
Read 2 more answers
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