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stiks02 [169]
3 years ago
11

13. The graph below shows the relationship between the number of hours Cody works and the

Mathematics
2 answers:
const2013 [10]3 years ago
7 0

Answer:

If Cody works 20 hours, he will earn $150.

Step-by-step explanation:

The graph goes up by 1, 10, meaning if you do 20 times 10 you'll get 200, not 150

Makovka662 [10]3 years ago
6 0

Answer:I still have no idea

Step-by-step explanation:

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For the function f(x)=x2-4, fins the value of f(x) when x=6
Snowcat [4.5K]

Answer:

32

Step-by-step explanation:

Substitute x = 6 into f(x), that is

f(6) = 6² - 4 = 36 - 4 = 32

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3 years ago
Determine the value of a so that the line whose equation is ax+y-4=0 is perpendicular to the line containing the points (2,-5) a
soldi70 [24.7K]
First, write the equation of the line containing the points <span>(2,-5) and (-3,2).

We can use 2 point form, or point-slope form.

Let's use </span>point-slope form.

the slope m is \frac{-5-2}{2-(-3)}= \frac{-7}{5}, then use any of the points to write the equation. (ex, pick (2, -5))

y-(-5)=(-7/5)(x-2)

y+5=(-7/5)x+14/5

y= (-7/5)x+14/5 - 5 =(-7/5)x+14/5 - 25/5 =(-7/5)x-11/5


Thus, the lines are 

i) y=-ax+4      and  ii) y=(-7/5)x-11/5

the slopes are the coefficients of x: -a and (-7/5),

the product of the slopes of 2 perpendicular lines is -1, 

so 

(-a)(-7/5)=-1

7/5a=-1

a=-1/(7/5)=-5/7


Answer: -5/7
6 0
3 years ago
If line d intersects plane F, then how many points on line d also lie on plane F?
Fittoniya [83]
The answer would be 
B) 1
hope this helps!
7 0
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Eric jogged for 47 minutes, ending at 3:35 p.m. When did Eric start his jog?
Mila [183]

Answer:

im pretty sure its c

Step-by-step explanation:

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2 years ago
4x^2+4x+1=9 solutions
Artyom0805 [142]

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Step-by-step explanation:

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3 years ago
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