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OLga [1]
3 years ago
12

Rosa earns $12 per hour. In 7.5 hours, she will earn x dollars. Which is a valid proportion that can be used to solve the proble

m?
StartFraction x over 12 EndFraction = StartFraction 1 over 7.5 EndFraction
StartFraction 1 over 12 EndFraction = StartFraction x over 7.5 EndFraction
StartFraction 12 over 1 EndFraction = StartFraction x over 7.5 EndFraction
StartFraction 12 over 1 EndFraction = StartFraction 7.5 over x EndFraction
Mathematics
2 answers:
Maksim231197 [3]3 years ago
8 0

Answer: C

Step-by-step explanation:

MariettaO [177]3 years ago
3 0

Answer:

90

Step-by-step explanation:

I got it off of goggle-

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Find three consecutive positive integers such that the product of the first and​ third, minus the​ second, is 1 more than 7 time
Bas_tet [7]
--------------------------------------------------------------------
Define x :
--------------------------------------------------------------------
Let the smallest number be x.
First number = x
Second Number = x + 1
Third Number = x + 2

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Construct equation :
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x(x+2) - (x+1) = 7(x+2) + 1

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Solve x :
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x(x + 2) - (x + 1) = 7(x + 2) + 1
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Since x is a positive integer, it cannot be negative.
⇒x = 8

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Answer: The three numbers are 8, 9 and 10.
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6 0
3 years ago
Which of the following ordered pairs could be the y-intercept of the function?
kolbaska11 [484]
I would probably say (0,0) just because (5,0) falls on the x-axis and not on the y-axis and the other are just regular plotting coordinates. (0,0) is the only one that falls on the y-axis although it still falls on the x-axis as well
3 0
3 years ago
(05.05)
kari74 [83]

Answer:

2

Step-by-step explanation:

f(-1)=2(-1)+2+1

f(-1)=-2+2+1

f(-1)=1

f(0)=2(0)+2+1

f(0)=0+2+1

f(0)=3

Use slope formula for the average rate of change.

(y2-y1)/(x2-x1)

(3-1)/(0+1)

(2)/(1)

2

Hope this helps!

If not, I am sorry.

5 0
2 years ago
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