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yawa3891 [41]
3 years ago
15

A half-marathon 13 miles, how many kilometers is that?

Mathematics
2 answers:
denis23 [38]3 years ago
8 0

Answer:

20.921

Step-by-step explanation:

I looked it up

Ulleksa [173]3 years ago
6 0
It would be 20.921 kilos
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4x +7y =-14<br> X + 4y =-8
Hoochie [10]

Answer:first one is 5 and second one is -4

Step-by-step explanation:

7 0
3 years ago
How to simplify -(-7y+12)
faust18 [17]
-(-7y + 12) = 7y - 12
u are distributing the -sign through the parenthesis...so u take the number outside of the parenthesis (and if it just a sign, the number is 1)...and u multiply it by everything in the parenthesis.
-1(-7y + 12) = -1 * -7y + (-1) * 12 = 7y + (-12) = 7y - 12
7 0
3 years ago
If lines m and n are parallel in the illustration below. Which of the following must be true about
qwelly [4]

Answer:

Step-by-step explanation:

Answer  C  is correct:  Angle T is 95°.

Because the two horiz. lines are parallel, the "vertical angle" of angle T is equal to the "corresponding angle" of 95°.

6 0
3 years ago
Read 2 more answers
Inverse of y equals 12 to the x
e-lub [12.9K]

Answer:

f^{-1}(x) = log_{12}(y)

Step-by-step explanation:

We have the following function

y = 12^x, and we need to find the inverse function.

To find the inverse function we should solve the equation for "x". To do so, first, we need to:

1. Take the logarithm in both sides of the equation:

lg_12 (y) = log _12 (12^x)

(Please read lg_12 as: "Logarithm with base 12")

From property of logarithm, we know that lg (a^b) = b*log(a)

Then:

lg_12 (y) = x*log _12 (12)

We also know that log _12 (12) = 1

Then:

x = log_12(y).

Then, the inverse of: y= 12^x is:

f^{-1}(x) = log_{12}(y)

5 0
3 years ago
What are the zeros of the polynomial function f(x) = x3 − 2x2 − 24x?
Morgarella [4.7K]

Answer:

x = 0, x = -4, and x = 6

Step-by-step explanation:

To find the zeros of this polynomial, we can begin by factoring out a common factor of each term. 'x' is a common factor. We can distribute this variable out, giving us:

f(x) = x(x²- 2x- 24)

Now, factor the polynomial inside of the parenthesis into its simplest form. Factors of -24 that add up to -2 are -4 and 6.

f(x) = x( x + 4) (x - 6)

From this, we can derive the zeros x = 0, x = -4 and x = 6.

4 0
3 years ago
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