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joja [24]
3 years ago
11

HELP! WILL MARK BRAINLIEST IF CORRECT!

Mathematics
2 answers:
kicyunya [14]3 years ago
4 0

Answer:

battery costs $5, tax is $1.20, and so the total is $26.20

Step-by-step explanation:

Sphinxa [80]3 years ago
4 0
Batter cost is $5, tax is $120
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Please help this is on one of my finals <br> Find the sum <br> 8/14 + 7/14 + 2/14
mylen [45]
The answer would be 1 3/14
6 0
3 years ago
10 in<br> Given the figure. Find AC.
rjkz [21]

Answer:

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Step-by-step explanation:

5 0
3 years ago
The scale on your
motikmotik
(Unless my math is wrong) it is 390 miles
3 0
2 years ago
for her phone service, ann pays a monthly fee offor her phone service and pays a monthly fee of $18 and she pays an additional $
trapecia [35]
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6 0
3 years ago
Find the average rate of change between f(-7) and f(-1) in the function f(x)=x^2+2x -8
Levart [38]

Answer:

- 6

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

here [ a, b ] = [ - 7, - 1 ]

f(b) = f(- 1) = (- 1)² + 2(- 1) - 8 = 1 - 2 - 8 = - 9

f(a) = f(- 7) = (- 7)² + 2(- 7) - 8 = 49 - 14 - 8 = 27

Hence

average rate of change = \frac{-9-27}{-1-(-7)} = \frac{-36}{6} = - 6

4 0
3 years ago
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