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Likurg_2 [28]
2 years ago
6

Rational number on a number line

Mathematics
1 answer:
solong [7]2 years ago
6 0

Positive rational numbers are always represented on the right side of the zero on the number line. While negative rational numbers are always represented on the left side of zero on the number line.

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3x + 1 < −2x + 8
Fantom [35]

Hello there!


The correct answer is B. Why? Well, we cannot choose A, because we don't have a multiplication sign. We cannot choose C because we also don't have a multiplication sign. However, since we have a PLUS sign and a Subtraction sign, we can say that the correct answer is option B.


3x + 1 < -2x + 8

We wanna start by subtracting 1 on both sides

3x + 1 - 1 < -2x + 8 - 1

3x < -2x + 7

Add 2x on both sides

3x + 2x < -2x + 7 + 2x

5x < 7

x < 7/5


I hope this answer helps! As always, it is my pleasure to help students like you. If you have any additional questions, feel free to comment them down below. I'll see you around!

8 0
3 years ago
A square patio has an area of 170 square feet. How long is each side of the patio to the nearest tenth?
Pavlova-9 [17]
Since we know that squares have the same length on all sides, you would find the square root of 170
√170=13.03840481
rounded to the nearest tenth would be 13.1

You can check your work by multiplying 13.1 by 13.1 which equals 170.3

I try to explain the problem and give the answer, I hope this helps!
7 0
3 years ago
Mina has 5 more marbels than Kirsty
Alja [10]
Equations: m = k + 5 k = s + 2 m + k + s = 30 ----------------------- Substitute for "m" and for "s":: k+5 + k + k-2 = 30 3k +3 = 30 3k = 27 Kirsty has 9 marbles --- Mina has 9+5 = 14 marbles Seb has 9-2 = 7 marbles
6 0
3 years ago
Solve the right triangle<br> round your answer to the nearest tenth
hjlf

Answer:

Step-by-step explanation:

5 0
3 years ago
What is the value of StartFraction 1.6 times 10 Superscript 14 Baseline Over 3.2 times 10 Superscript 7 Baseline EndFraction in
Helga [31]

Answer:

5.0 times 10 Superscript 6

Step-by-step explanation:

What is the value of StartFraction 1.6 times 10 Superscript 14 Baseline Over 3.2 times 10 Superscript 7 Baseline?

This is represented mathematically as:

1.6 × 10¹⁴/ 3.2 × 10⁷

Solving for this

1.6 × 10¹⁴/ 3.2 × 10⁷

= [1.6/3.2] × 10¹⁴-⁷

= 5 × 10⁶

= 5.0 times 10 Superscript 6

4 0
2 years ago
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