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Elena-2011 [213]
2 years ago
8

Which expressions represent rational numbers? Check all that apply.

Mathematics
1 answer:
Blizzard [7]2 years ago
8 0

Answer:

they're all rational numbers

Step-by-step explanation:

rational numbers are positive, negative, or zero integers. they can be decimals as well.

first expression = 2.449.... + 3 = 5.449 (yes, it is rational)

second expression = 8 + 0.54545454... = 8.545454... (yes, it is rational)

third expression = 6 + 4.582575... = 10.4582575... (yes, it is rational)

fourth expression = 4 + 13 = 17 (yes, it is rational)

fifth expression = 17.43... + 7 = 24.43.... (yes, it is rational)

sixth expression = 6.6332... + 5 = 11.6332 (yes, it is rational)

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6. Find the area of a triangle with sides a = 5, b = 8, and c = 11.​
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<h2>20</h2>

Hi, I’m Lena and I’ll be here to answer your question with a good-quality answer. If there's something I can improve, let me know! ツ

♡ Let’s look at the main important things that will lead you in the correct path.

♥ <em>a </em>+<em> b</em> usually = <em>c!</em> Unless the book asks you to find a specific variable, you will most likely be looking for <em>c</em>.

♥ <em>A</em> = <em>bh</em>/2! This is the formula for the area of a triangle. You can also read this as A = base * height/2. The good thing about this formula is you don't need a picture. You can write it as <em>a</em> * b<em> </em>or <em>b</em> * <em>a!</em>

<em />

♡ Now, let's solve!

♥ Plug the numbers into the formula: 5*8/2.

♥ Solve! In this case, we do not need c: 40/2 = 20.

Your answer should be 20! Please do not hesitate to ask me any questions.

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THIS IS URGENT I AM BEING TIMED IF YOU ANSWER ALL OF THEM I WILL MARK YOU BRAINLYIST.
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Answer:

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Step-by-step explanation:

11.20 is the total.  You multiply that by .15 and get $1.68 for the tip.  You multiply $11.20 by .05 for the tax and get  $.56.  You  add them together and get $13.44.  You subtract that from $20.00 and get $6.56

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What is the correct value of the expression 6 x | 7 - 3 x 2 | - 2 ?
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The answer to the question is 96
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3 years ago
Read 2 more answers
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