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Sergio039 [100]
2 years ago
8

You hike 1.2 miles west from a trailhead and then receive a text from a friend. She

Mathematics
1 answer:
alexira [117]2 years ago
5 0

Answer:

the answer is definitely 4

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I need help answering this question asap in a rush
timurjin [86]

Answer:

Sorry ido t k new this please do t rerouted if you do ido t care

3 0
3 years ago
Find the x-intercepts of the parabola with vertex (-5,80) and y-intercept (0,-45). Write your answer in this form (x of 1 , y of
Ivan
A parabola is a quadratic function, and a quadratic can be expressed in vertex form, which is:

y=a(x-h)^2+k, where (h,k) is the vertex (absolute maximum or minimum point of the quadratic)

In this case we are given that (h,k) is (-5,80) so we have so far:

y=a(x--5)^2+80

y=a(x+5)^2+80, we are also told that it passes through the point (0,-45) so:

-45=a(0+5)^2+80

-45=25a+80  subtract 80 from both sides

-125=25a  divide both sides by 25

-5=a, so now we know the complete vertex form is:

y=-5(x+5)^2+80

The x-intercepts occur when y=0 so:

0=-5(x+5)^2+80  add 5(x+5)^2 to both sides

5(x+5)^2=80  divide both sides by 5

(x+5)^2=16  take the square root of both sides

x+5=±√16  which is

x+5=±4  subtract 5 from both sides

x=-5±4 so the x-intercepts are:

x=-1 and -9


7 0
3 years ago
According to the table, how many people got 8 or more hours of sleep?
zalisa [80]
I believe the answer is 17.
4 0
3 years ago
Mrs.Brown gives two tests to her class. 30% of the class passed both tests and 45% of the class passed the first test. What perc
viktelen [127]

Answer:

25%

Step-by-step explanation:

100%-30%=70%

70%-45%=25%

7 0
3 years ago
Can anyone please help me measure this? ​
Viktor [21]

Answer:

the answer should I believe be 46° because it's across from the degree that's there

8 0
3 years ago
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