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2 years ago

I NEED HELP PLZ(what's the answer????)

Mathematics

1 answer:

kogti [31]2 years ago

4 0

Answer: c

Step-by-step explanation:

Multiply the diameter by pi. You got it right

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Add and subtract the rational expressions. 7x+5/x-1 -(8x1/x-1+2x-4/x-1) Which statements are true about the process for adding a

anzhelika [568]

Answer:

2. The denominator of the fully simplified expression will be x – 1.

4. The numerator of the fully simplified expression will be –3x + 10.

Step-by-step explanation:

Given the rational expression

$\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )$

Let us first simplify before making our deductions.

Opening the brackets

$\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )=\dfrac{7x+5}{x-1} -\dfrac{8x-1}{x-1} -\dfrac{2x-4}{x-1}$

Taking LCM

$=\dfrac{7x+5-(8x-1)-(2x-4)}{x-1}$

Opening the brackets and simplifying

$=\dfrac{7x+5-8x+1-2x+4}{x-1}\\\text{Collecting like terms in the numerator}\\=\dfrac{7x-8x-2x+5+1+4}{x-1}\\=\dfrac{-3x+10}{x-1}$

The following statements are therefore true:

2. The denominator of the fully simplified expression will be x – 1.

4. The numerator of the fully simplified expression will be –3x + 10.

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2 years ago

What is the median?<br><br> 637743

Mariulka [41]

Answer:

Step-by-step explanation:

Put the numbers in order then find the middle number. 334677

Here there are two middle numbers, 4, and 6. Add 4 and 6 together, 10 then divide by 2, 5. So the median is 5! Hope this was helpful have a Great day!!!

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2 years ago

The length of side of square is 4 cm <br><br> write the length of its diagonal is irrational number

Marysya12 [62]

Answer:

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Step-by-step explanation: FLYYY ME TO THE MOON LOLOLOL

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3 years ago

Find the rate as a ratio of distance to time 369 km , 3 sec simplify answer

Nuetrik [128]

Rate or velocity is always distance divided by time

369 km / 3 sec =
123 kilometers per second

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3 years ago