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irina1246 [14]
3 years ago
6

What is the value of 3^3 - (4^2 - 2^3)?

Mathematics
2 answers:
scoundrel [369]3 years ago
8 0
The answer is C: 19 see attachment

Illusion [34]3 years ago
4 0
3³ - (4² - 2³)

3³ = 3x3x3 = 27

4² = 4x4 = 16

2³ = 2x2x2 = 8

3³ - (4² - 2³) = 27 - (16 - 8) = 27 - 16 + 8 = 19 (answer C)

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-8.5 belongs on whole numbers, integers or rational number?
Feliz [49]

Answer:

-8.5 is a rational number

Step-by-step explanation:

The whole numbers are all the numbers you can reach if you start at 1 (or 0, if that's your thing) and count forward - 1, 2, 3, 4, on and on forever. The integers are all the numbers we can get by adding and subtracting two whole numbers - this includes situations like 3 - 4, where we're "taking away" more than we have: we simply invent numbers less than zero, the negatives, and that gives 3 - 4 a value - the number -1.

So we can add, subtract and multiply any of these numbers together and we end up somewhere else our world of integers, but the moment we want to ask a question like "what numbers are between 0 and 1?" the integers just aren't enough. We need fractions, and for that purpose we create the rational numbers, which include all the fractional parts between integers, as well as the integers themselves.

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4 0
3 years ago
What is HCF and LCM ? # confused
GaryK [48]
HCF= highest common factor
LCM= least common multiple
7 0
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Ab - bc+ ac, bc - ca+ ab, ca - ab-2bc
BabaBlast [244]

Answer:

ab-2bc+ca

Step-by-step explanation:

Complete question is given below

Add:-

ab-bc+ac,bc-ca+ab,ca-ab-2bc

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Now, adding all expression

We get

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Combine like terms then, we get

(ab+ab-ab)+(bc-bc-2bc)+(ac-ca+ca)

ab-2bc+ca

Hence,ab-bc+ac+bc-ca+ab+ca-ab-2bc=ab-2bc+ca

3 0
3 years ago
The ratio of boys to girls in a class is 6:4. If there is a total of 30 students in the class, how many are boys?
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What is the answer I will need help
Hoochie [10]
Answer D, 4 sets of -3 jumps to reach -12
5 0
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