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Phoenix [80]
3 years ago
15

Reflexive property of equality: 3x-1=

Mathematics
1 answer:
kkurt [141]3 years ago
7 0
3x - 1 = 3x -1 because it's reflecting itself
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Please help will mark the brainliest
trasher [3.6K]

Answer:

She has $10 left.

Step-by-step explanation:

There are 13 tags. Every tag is 5$.

13 tags times 5 dollars equals 65 dollars spent.

75 dollars minus 65 dollars spent = 10 dollars left.

Ruby has 10 dollars left.

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3 years ago
Measure (7x+1) (2x+1)
Gemiola [76]

Smaller angle = 41°

Larger angle = 139°

Step-by-step explanation:

(7x - 1) + (2x + 1) = 180

7x + 2x - 1 + 1 = 180

9x = 180

x = 20

  • The measure of the smaller angle is

2x + 1

= 2(20) + 1

= 40 + 1

<u>= 41°</u>

  • The measure of the larger angle is

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4 0
3 years ago
Read 2 more answers
Simplify (2*4)−1.
EastWind [94]

The simplification form of the number expression (2⁴)⁻¹ is 1/2⁴ option (B) one over two raised to the fourth power is correct.

<h3>What is an integer exponent?</h3>

In mathematics, integer exponents are exponents that should be integers. It may be a positive or negative number. In this situation, the positive integer exponents determine the number of times the base number should be multiplied by itself.

It is given that:

The number expression is:

= (2⁴)⁻¹

Using the properties of the integer exponent:

= 1/2⁴

The above number is one over two raised to the fourth power

Thus, the simplification form of the number expression (2⁴)⁻¹ is 1/2⁴ option (B) one over two raised to the fourth power is correct.

Learn more about the integer exponent here:

brainly.com/question/4533599

#SPJ1

6 0
2 years ago
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navik [9.2K]

Answer:

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Step-by-step explanation:

y2-y1/x2-x1

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3 0
3 years ago
What is 101,949 rounded to the nearest hundred thousand?
kobusy [5.1K]
Well the answer is 103,000 because when you round it the 1 becomes a 2
5 0
3 years ago
Read 2 more answers
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