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QveST [7]
3 years ago
7

F(x) = -9x + 2 and g(x) = -9x + 6, find (f - g)(7)

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

I think there is an error in the question because

(f-g) = -4

(f-g) (7) = NO SOLUTION

Step-by-step explanation:

f(x) = -9x + 2 \\g(x) = -9x + 6\\(f - g)(7)\\(f - g) = -9x + 2 - (-9x+6)\\(f - g) = -9x +2 +9x-6\\(f - g) = -9x +9x+2-6\\(f - g) = -4

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Jonah's and his aunt's houses are 8,750 meters apart. Jonah's walking speed is 5 kilometers per hour. How long will it take him
umka2103 [35]
8750 Meters = 8.75 Kilometers
8.75 Kilometers / 5 Kilometers Per Hour = 1.75 Hours = 1 Hour and 45 Minutes

Hope this helps.
5 0
3 years ago
Which equation in point-slope form contains the point (4, –1) and has slope 3?
Andrew [12]

Answer:

y+1=3(x-4)

Step-by-step explanation:

Hi there!

We are given a slope of 3 and a point (4,-1).

We need to find the equation of the line in point-slope form

Point-slope form is given as y-y1=m(x-x1), where m is the slope, and (x1,y1) is a point

We have all of the needed information to substitute into the formula

First, let's label the values of everything to avoid any confusion

m=3

x1=4

y1=-1

now substitute into the formula *remember, the formula has SUBTRACTION, and we have a NEGATIVE number, so we'll end up subtracting a negative*

y--1=3(x-4)

simplify

y+1=3(x-4)

That's it!

Hope this helps :)

4 0
3 years ago
What is the equation of the line that is parallel to the line y - 1 =4(x+3)? no links.
Misha Larkins [42]

Answer:

4th option

Step-by-step explanation:

The slope m = 4

b = 32-(4×4) = 16

y = mx+b

or, y = 4x+16

Answered by GAUTHMATH

3 0
3 years ago
Mr Coope drives 472 miles in 8 hours. At this rate, how many miles would he drive in 6
KatRina [158]
8hrs = 480mins
6hrs = 360 mins
472/480 = 0.983...
0.983... x 360 = 354
D) 354
6 0
2 years ago
Clint invested $6000 in a savings account for 12.5 years. At the end of 12.5 years, his savings account had $8250 in it. If $600
Vika [28.1K]
The balance B at the end of time t is given by
  B = P +Prt
  8250 = 6000 +6000*r*12.5 . . . . substitute the given information
  2250 = 6000*r*12.5 . . . . . . . . . . .subtract 6000
  2250/(6000*12.5) = r . . . . . . . . . .divide by the coefficient of r
  r = .03 = 3%

Clint earned 3% annual simple interest on his savings.
7 0
3 years ago
Read 2 more answers
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