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SashulF [63]
3 years ago
12

Part 5 ASAP math ofc

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
4 0

Answer:

First equation solution:

x≤4

Second equation solution:

x≥4

Step-by-step explanation:

1/2x+8≤ 10

subtract 8 from each side

1/2x≤ 2

multiply each side by 2

x≤ 4

-3x-24≤- 36

add 24 to each side

-3x≤ -12

divide by -3 ( when dividing or multiplying by a negative number the </>/≤/≥ flips)

x≥4

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Find the equation of the circle whose center is at (2,3) and radius is 6
Advocard [28]

Answer:

Step-by-step explanation:

7 0
1 year ago
−8 3/4÷2 1/6 please show me ur work
nalin [4]

Answer:

  • - 4 1/26

Step-by-step explanation:

<u>Solving in steps:</u>

  • - 8 3/4 ÷ 2 1/6 =
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3 years ago
Refer to the variable on the number of miles driven. the mean is 830.11 and the standard deviation is 42.19 miles. estimate the
Alex787 [66]
The proportion of buses traveling more than 900 miles would be 0.0485; multiply this by the total number of buses and you will have your answer.

We find the z-score associated with 900 miles:

z = (X - μ)/σ = (900-830.11)/42.19 = 1.66

Using a z-table (http://www.z-table.com) we see that the area under the curve to the left of this, less than this, is 0.9515.  This means that the area under the curve to the right of this, greater than this, would be 1-0.9515 = 0.0485.
8 0
2 years ago
What is the inverse function of f(x) = 25x-3?
Harrizon [31]

Answer:

The answer is

<h2>{f}^{ - 1} (x) =  \frac{x +3 }{25}</h2>

Step-by-step explanation:

f(x) = 25x - 3

To find the inverse of f(x) , equate f(x) to y

That's

y = f(x)

We have

y = 25x - 3

Next interchange the terms that's x becomes y and y becomes x

x = 25y - 3

<u>Next solve for y</u>

Move 3 to the other side of the equation

That's

25y = x +  3

<u>Divide both sides by 25</u>

\frac{25y}{25}  =  \frac{x + 3}{25}

We have the final answer as

{f}^{ - 1} (x) =  \frac{x +3 }{25}

Hope this helps you

5 0
3 years ago
A city has an elevation of 465 feet. Another city has an elevation of -45 feet. Which expression can be used to find the differe
KengaRu [80]
465 -(-45) = x

This creates a double negative which becomes a positive and you solution would be 465+45 =X, X = 510
6 0
3 years ago
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