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Lelechka [254]
3 years ago
13

Solve the equation: 2 * x-3 = 25, x =? (digit answer):

Mathematics
1 answer:
Sergio [31]3 years ago
6 0

is your answer for x

2(x) - 3 = 25

Note the equal sign, what you do to one side you do to the other. Do the opposite of PEMDAS.

First, add 3 to both sides

2x - 3 (+3) = 25 (+3)

2x = 25 + 3

2x = 28

Isolate the x. Divide 2 from both sides

(2x)/2 = (28)/2

x = 28/2

x = 14

is your answer for x

~

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In class, Julie was asked to create a scenario for the linear function shown. She came up with the following: .Joe planned a hik
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Answer:

1. Julie’s scenario doesn't match the linear function graphed, because the graphed function is f(x)=-3x+12 and must be f(x)=-5x+12

2. She has counted the slope of the line incorrect.

3. She can write f(x)=-5x+12 and draw the line with the x-intercept will be at (2.4,0) and y-intercpt ar (0,12).

Step-by-step explanation:

If Joe parked 12 miles away from the cabin and after one hour, he was still 7 miles from the cabin, then he had walked 12 - 7 = 5 miles per hour.

The initial positon of Joe is at point (0,12) (after 0 hours passed, Joe was 12 miles from the cabin). The line must pas through the point (1,7) ( after one hour, he was still 7 miles from the cabin ).

Find the slope:

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So, the slope of the linear function should be -5 (not -3).

Then the equation of the function is

f(x)=-5x+12

1. Julie’s scenario doesn't match the linear function graphed, because the graphed function is f(x)=-3x+12 and must be f(x)=-5x+12

2. She has counted the slope of the line incorrect.

3. She can write f(x)=-5x+12 and draw the line with the x-intercept will be at (2.4,0) and y-intercpt ar (0,12).

5 0
3 years ago
Helpppppppppppppppppppppppppppppp
ziro4ka [17]
Ha. That looks alot like i-ready. (i-ready sucks butt.)

But the horror that is i-ready aside, your answer is the third one : The proportion of grandparents that feel safe entering their account information online is 0.32.

32% converted to a decimal is 0.32, and 68% converted to a decimal is 0.68. That would mean that the proportion for grandparents that feel safe doing so is 0.32, and the number of grandparents that don't feel safe doing so is 0.68.
8 0
3 years ago
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