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Setler79 [48]
3 years ago
10

-

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

\sqrt{6.5}

Step-by-step explanation

\sqrt{6} is about 2.45

\sqrt{6.5} is about 2.55

\sqrt{7} is about 2.65

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NEED HELP ASAP PLEASE!!
qwelly [4]

Option D:

$y=\frac{5x-2}{x}

Solution:

Given function:

$y=\frac{-2}{x-5}

To find the inverse of the function.

<u>Inverse of a function:</u>

<em>If a function f(x) is mapping x to y, then the inverse function of f(x) maps y back to x.</em>

$y=\frac{-2}{x-5}

Interchange the variables x and y.

$x=\frac{-2}{y-5}

Now, solve for y.

Multiply both sides by (y - 5).

$x(y-5)=-\frac{2}{y-5}(y-5)

Cancel the common factors, we get

x(y-5)=-2

Divide by x on both sides.

$y-5=-\frac{2}{x}

Add 5 on both sides.

$y=-\frac{2}{x}+5

$y=-\frac{2}{x}+\frac{5}{1}

To make the denominator same, multiply the 2nd term by \frac{x}{x}.

$y=-\frac{2}{x}+\frac{5x}{x}

$y=\frac{-2+5x}{x}

$y=\frac{5x-2}{x}

Option D is the correct answer.

8 0
2 years ago
The sum of 4 consecutive multiples of 6 is 540. What is the greatest of these numbers?
pychu [463]

Answer:

144

Step-by-step explanation:

First: 6x

Second: 6x+6

Third: 6x+12

Fourth: 6x+18

- Since they're multiples of 6

6x+6x+6+6x+12+6x+18=540

24x+36=540\\

Subract 36 from each side give us...

24x=504\\x=21

21(6)+18=144

Hope this helped! Please mark brainliest :)

4 0
3 years ago
Estimate a 20% tip on a dinner bill of $168.56 by first rounding the bill amount to the nearest ten dollars
marusya05 [52]

Answer:

$34

Step-by-step explanation:

Look at the tens place with a 6,

The 8 next to it makes it round up,

The nearest ten dollars is $170,

170(.20) = $34

3 0
3 years ago
What is the answerto problem ? plzzzzx answern!!!!
LUCKY_DIMON [66]
3/10 is the smallest hoped this helps
6 0
3 years ago
Read 2 more answers
Someone please help me
True [87]

Answer: 20 = right triangle 21 = acute 22 = obtuse

Step-by-step explanation:

20 - Because there is a right angle/ 90 degree angle

21 - Because all the angles are less that 90 degrees which makes them acute.

22 - Because all the angles are more than 90 which makes them obtuse.

3 0
3 years ago
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