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steposvetlana [31]
3 years ago
5

Correct answers only please! If you don't know the answer, then please don't guess or say what you think it is.

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
8 0
M. Dbhd dhs here 54.2
miss Akunina [59]3 years ago
4 0

Answer:

B. 63.8 mph

Step-by-step explanation:

IN order to solve this problem we just have to keep in mind that the miles per hour is calulcated by the number of revolutions that the tire is doing multiplied by the circumference of the tire, so the circumference of the tire is given by the first set of number in the tire the first one would be:

first:\frac{215}{60} \\Second: \frac{235}{70}

So we just have to multiply it by the first one and then divide it by the second:

\frac{215}{60}*60=215\\215*\frac{235}{70}=63.8

SO when the speedometer is on 60 mph, he will actually be going at 63.8 mph.

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In how many ways can a password be made using 4 letters from the 26 letter English alphabet, if letters cannot be repeated?
elena-14-01-66 [18.8K]

Answer:

I got 358,800

Step-by-step explanation:

First you can choose from 26 letters, then from 25 (because you can't use the same letter) then from 24, and then from 23. You multiply 26 * 25 * 24 * 23 and you get your answer.

I think :)

6 0
3 years ago
A line contains the points (8, 9) and (–12, –7). Using point-slope form, write the equation of the line that is parallel to the
navik [9.2K]
The lines have equal gradients;
m\frac{16}{20} = \frac{4}{5}

Equation of line 2;
y=mx+c
y=\frac{4}{5}x+c
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7 0
3 years ago
Given function of f(x) = 2x - 1 and fg(x) = 10x + 3, find the function of g(x)​
denis-greek [22]

Answer:

The function of g(x) = 5x + 2

Step-by-step explanation:

Let us use the composite function to solve the question

∵ f(x) = 2x - 1

∵ f(g(x)) = 10x + 3

→ f(g(x)) means substitute x in f(x) by g(x)

∴ f(g(x)) = 2[g(x)] - 1

→ Equate the two right sides of f(g(x))

∴ 2[g(x)] - 1 = 10x + 3

→ Add 1 to both sides

∴ 2[g(x)] - 1 + 1 = 10x + 3 + 1

∴ 2[g(x)] = 10x + 4

→ Divide each term into both sides by 2

∵ \frac{2[g(x)]}{2} = \frac{10x}{2} + \frac{4}{2}

∴ g(x) = 5x + 2

∴ The function of g(x) = 5x + 2

7 0
2 years ago
1) What is 36/80 in lowest terms ?
OleMash [197]
1). 9/20. 2). -4/7. 3). 15/36. 4). 25/30. 5). 3/5x
3 0
3 years ago
Literally the last question pls get it right
Anna11 [10]
-1 or option c is correct. Use the given functions to set up and simplify f(−2).
5 0
2 years ago
Read 2 more answers
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