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zlopas [31]
3 years ago
15

Let a and b stand for two different rational numbers.If |a| > |b|,then what else must be true ?

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0
The answer iht and have a <span>98 of 33% chance it will be B</span>
Lelu [443]3 years ago
4 0

Answer:

If |a| > |b| the following must be true

b. a is farther from 0 than b is

c.on a number line,a is to the right of b

d.the opposite of a is less than the opposite of b

Step-by-step explanation:

If |a| > |b| the following must be true

b. a is farther from 0 than b is because line a is greater in length than line b

c.on a number line,a is to the right of b because line a while be a higher positive value than line b

d.the opposite of a is less than the opposite of b because the higher the line length the smaller it opposite.

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Which of the following is evaluated to 18-√-25?<br> 1) 5i<br> 2) 18-5i<br> 3) 18+5i<br> 4) 23
xz_007 [3.2K]

Option 2: 18-5i is the right answer

Step-by-step explanation:

Given

18-\sqrt{-25}

When there is a negative number in radical, a new complex number iota denoted by i is introduced which is equal to \sqrt{-1}

So we will solve the given expression

18-\sqrt{-25}\\= 18- (\sqrt{25*-1})\\= 18 - (\sqrt{25} * \sqrt{-1})\\= 18 - (5*i) = >\sqrt{-1} = i\\= 18 - 5i

Hence,

Option 2: 18-5i is the right answer

Keywords: Iota, complex numbers

Learn more about complex numbers at:

  • brainly.com/question/5500978
  • brainly.com/question/550017

#LearnwithBrainly

6 0
4 years ago
Help me pls !!<br> (Extra points)<br><br> And I need to explain it.
Arturiano [62]

Answer:

true

Step-by-step explanation:

1. simplfy the expression to 7^2 *8/7^3=8/7.

2. that'll give u 8/7=8/7

5 0
3 years ago
Evaluate each expression. 16(5-3+2) 17-3•4+2
Ronch [10]

First expression:

For the first expression, remember that parenthesis have priority over other operations. Inside the parenthesis we have the sum of three terms (once you read it as 5 + (-3) + 2. Since the sum is commutative and associative, you can perform this operations in any way you like.


The expression in the parenthesis evaluates to 4, so we're left with 16(4), which means we have to mulply 16 by 4, and the answer is 64


Second expression:

Here, you must use the fact that multiplications/divisions have higher priority than sums/subtractions, so we must perform that operation first. The multiplication is three times four, so the answer is 12. The expression becomes, as before, the sum of three terms:


17-3\cdot 4+2 \to 17-12+2 = 17+(-12)+2 = 5+2 = 7

7 0
4 years ago
I need help solving -x+6+3x=30​
Schach [20]

x+6+3x=30​

x+3x+6= 30 ( combine like terms)

4x+6= 30

move 6 to the other side

sign changes from +6 to -6

4x+6-6= 30-6

4x= 30-6

4x= 24

divide both sides by 4 to get x by itself

4x/4= 24/4

answer:

x= 6

6 0
3 years ago
Joanna ate 3/7 of a pizza . Michael ate 2/7 of the pizza
SpyIntel [72]

Answer:

5/7

Step-by-step explanation:

3+2 is 5 over the same denominator because that's how many slices of pizza there are

5 0
2 years ago
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