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Thepotemich [5.8K]
3 years ago
5

2. The sum of two consecutive numbers is equal to 3 times the first integer plus 7. Find the two integers. Answer:​

Mathematics
1 answer:
Nataly_w [17]3 years ago
3 0

Answer:

-9, -8

Step-by-step explanation:

x+(x+1)=7+3(x+1)

x+x+1=7+3(x+1)

2x+1=7+3(x+1)

2x+1=7+3x+3

2x+1=3x+10

2x+1-1=3x+10-1

2x-3x=3x-3x+9

-1x/-1=9/-1

x=-9/-8

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What is the distance between -20 and -6 on a number line
podryga [215]

Answer:

14 units

Step-by-step explanation:

The distance is -6 - (-20)

                           -6+20

                                 14

4 0
3 years ago
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What is the sum of the angle of a polygon of 62 sides ​
kiruha [24]
Sum of all angles in a 62 sided polygon = 10800°. (Mark me as brainliest pls!)
8 0
3 years ago
Which irrational number is closest to the number 5?
blsea [12.9K]

Answer:

I believe it is right by looking at this picture, but I am not certain

7 0
4 years ago
Triangle GHI is rotated 90Degrees clockwise and then reflected over the y-axis. Which congruency statement is true?
lesya [120]

The congruency statement which is true among the answer choices is;

  • On a coordinate plane, triangle G H I is rotated 90 degrees clockwise and then is reflected over the y-axis.
  • Triangle G H I is congruent to triangle G double-prime H double-prime I double-prime.

<h3>Which congruency statement is true?</h3>

According to the task content, the initial transformation is; Triangle GHI is rotated 90Degrees clockwise and then reflected over the y-axis.

On this note, the congruency which are true regarding the transformation are;

  • On a coordinate plane, triangle G H I is rotated 90 degrees clockwise and then is reflected over the y-axis.
  • Triangle G H I is congruent to triangle G double-prime H double-prime I double-prime.

This follows from the fact that the transformation.does not involved dilation by means of a scale factor and hence, size remains equal and all angle measures remain the same.

Read more on triangle congruence;

brainly.com/question/2102943

#SPJ1

3 0
2 years ago
Delaware was the first state to enter the Union and Hawaii was the 50th. If we order the positions of entry for the rest of the
Anna71 [15]

Answer:

State A was the <u>12th</u> state to enter the Union. State B was the <u>11th</u> state to enter the Union.

Step-by-step explanation:

Let's call x to the order-of-entry of State B, therefore the order-of-entry of State A is x+1. Given that he product of their order-of-entry numbers is 132:

x*(x+1) = 132

x² + x - 132 = 0

Using quadratic formula:

x = \frac{-b \pm \sqrt{b^2 -4(a)(c)}}{2(a)}

x = \frac{-1 \pm \sqrt{1^2 -4(1)(-132)}}{2(1)}

x = \frac{-1 \pm 23}{2}

x_1 = \frac{-1 + 23}{2}

x_1 = 11

x_2 = \frac{-1 - 23}{2}

x_2 = -12

The negative solution has no sense in the context of our problem, then the solution is x = 11.

5 0
3 years ago
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