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finlep [7]
2 years ago
13

Starting at 7:00 a.m., Lin spent a day hiking through a canyon. This graph shows her elevation (in meters) at some different tim

es. Negative values of X represent times earlier than noon, and positive values of X represent times later than noon.
What was Lin's elevation at noon?

Mathematics
1 answer:
ollegr [7]2 years ago
5 0

Answer:

Sorry for my bad handwriting it's hard write in a computer

Step-by-step explanation:

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At what point does the line given by the following equation cross the y-axis? y = (6/9)X + 9
Elodia [21]

Answer:

D

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = \frac{6}{9} x + 9 ← is in slope- intercept form

with y- intercept c = 9

then the line crosses the y- axis at (0, 9 )

5 0
2 years ago
(15 – 5) •2<br> ill give brainlist
IRISSAK [1]

Answer:

20

Step-by-step explanation:15-5=10 10 x 2 =20

8 0
3 years ago
Read 2 more answers
A parabola with the vertex at (1.5, 12.5) inscribes a segment of length 5 on x-axis. What is the area of the triangle formed by
damaskus [11]

Answer:

  20 units²

Step-by-step explanation:

The x-intercepts are symmetrically located around the x-coordinate of the vertex, so are at

  1.5 ± 5/2 = {-1, 4}

Using one of these we can find the unknown parameter "a" in the parabola's equation (in vertex form) ...

  0 = a(4 -1.5)² +12.5

  0 = 6.25a +12.5 . . . . . simplify

  0 = a +2 . . . . . . . . . . . divide by 6.25

  -2 = a

Then the standard-form equation of the parabola is ...

  y = -2(x -1.5)² +12.5 = -2(x² -3x +2.25) +12.5

  y = -2x² +6x +8

This tells us the y-intercept is 8. Then the relevant triangle has a base of 5 units and a height of 8. Its area is given by the formula ...

  A = (1/2)bh = (1/2)(5)(8) = 20 . . . . units²

5 0
3 years ago
Which equation does this story match: The temperature is -7. Since midnight the temperature tripled and then rose 5 degrees. Wha
olya-2409 [2.1K]
5x-7=3 :))))))))))))))))))))))
4 0
3 years ago
Garfield had $10 in the bank yesterday. Then, Garfield bought dinner for $14, but didn't realize that he overdrew from his bank.
Rudik [331]
I believe it’s 4 since he’s in dept with 4 dollars so that’ll be -4, but the absolute value is 4 since it’s 4 spaces away from 0.
5 0
2 years ago
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