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nordsb [41]
3 years ago
15

What is the mean cost of replacing brake pads for four different vehicles ai at the following prices $120,$235,$98,$142

Mathematics
1 answer:
Stels [109]3 years ago
4 0

The mean is the average of a set of numbers.  So to do that:


add all the numbers 120+235+98+142=$595

Then divide that by the total number in the set, in this case it is 4.

$595/4= $148.75 assuming that the prices given are the final price of the job.

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AURORKA [14]
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always true

2x + 3(4x - 1) = 2(5x + 3) + 4x
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4 0
3 years ago
Below is the graph of a trigonometric function. It has a minimum point at (2, -0.9) and an amplitude of 3.
Anestetic [448]

Answer: it’s 2.1

Step-by-step explanation:

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Your welcome :)

3 0
3 years ago
Simplify: sin^2xcos^2x-cos^2x
shtirl [24]

Answer:

-cos^4(x)

Step-by-step explanation:

Step 1: Use the Pythagorean identity : 1=cos^2(x) + sin^2(x)

1-sin^2(x) = cos^2(x)

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Step 2: Factor out common terms cos^2(x)

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Ans: -cos^4(x)

8 0
2 years ago
If cost of 15 eggs is ? 75, then find out the cost of 4 dozens eggs.
dedylja [7]

Answer:

Each egg is $5 so 4 dozen(48) is $240

Step-by-step explanation:

the way to do this is 75/15= 5

and then you multiply 12 x 4 to get 48 eggs

and then multiply 48 x 5 to get $240

3 0
3 years ago
Read 2 more answers
Find the missing term in the sequence 3 ,-1 ,- 5 ____ -13<br><br>a. -6<br>b. -7<br>c. -9<br>d. -11​
Reil [10]

Answer:

C. -9

Step-by-step explanation:

The pattern is clearly subtracting 4 each time (or adding -4).

-5 - 4 = -9

6 0
3 years ago
Read 2 more answers
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