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patriot [66]
3 years ago
14

Is he square root of -144 rational or irrational?

Mathematics
1 answer:
gladu [14]3 years ago
3 0

Answer:

Step-by-step explanation:

Neither.

It is a complex number. The - sign is the culprit. sqrt(-144) = i * sqrt(144) = 12 i

The "i" is an imaginary representation for the square root of -1. It is a definition for sqrt(-1). So a new category of number has been created. The ancients would have been profoundly surprised to learn that such a thing existed.

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What is <img src="https://tex.z-dn.net/?f=%5Cfrac%7Ba%2B3%7D%7B8%7D" id="TexFormula1" title="\frac{a+3}{8}" alt="\frac{a+3}{8}"
KonstantinChe [14]

Answer: \frac{2a+6}{8a}

Step-by-step explanation:

\frac{2(a+3)}{8a}=\frac{2a+6}{8a}

4 0
2 years ago
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on th
ddd [48]

Answer:

the weighted score is 82.03

Step-by-step explanation:

The computation of the weighted score is as follows

= Respective scores × respective test or exam and score

= 0.21 × 90 + 0.24 × 71 + 0.24 × 71 + 0.31 × 79

= 18.9 + 21.6 + 17.04 + 24.49

= 82.03

Hence, the weighted score is 82.03

We simply applied the above formula so that the weighted score could be come

3 0
3 years ago
Which expressions are equivalent to the one below? Check all that apply log₂ 2 + log₂ 8
S_A_V [24]

Answer:

A. 4 B.  log₂(2^4)

Step-by-step explanation:

A. log₂ 2 = log₂ 2¹ = 1

log₂ 8 = log₂ 2³ = 3

log₂ 2 + log₂ 8 = 1 + 3 = 4

B. *log₂ 2⁴ = 4

3 0
4 years ago
How many pounds are there in 2 and 1 over 4 tons? (1 ton = 2000 pounds)
Damm [24]
Well if 2 tons equals 2000 pounds then all we have to do is a 1/4 and
simplify to . 25 so your answer is 2025
8 0
3 years ago
Read 2 more answers
Standard form for 78 hundreds 58 tens 19 ones
Nastasia [14]

Answer:

8399

Step-by-step explanation:

78*100=7800

58*10=580

7800+580+19=8399

4 0
4 years ago
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