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Nikitich [7]
3 years ago
6

Write a two-column proof

Mathematics
1 answer:
BigorU [14]3 years ago
6 0
Hello!

You just have to solve the equation and justify each step along the way:

2x + 6, 96       Given
96 = 2x + 6     Vertical angles are congruent
90 = 2x           Subtraction Property of Equality
45 = x             Division Property of Equality

And that's all there is to it! I hope this helps you. (:
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What percentage of the shape is purple?
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Answer:

85%

Step-by-step explanation:

There are 4·5=20 boxes total.

4·4+1=16+1=17 of them are purple

17/20

17/20 as a decimal is 0.85

To convert a decimal into a percent multiply it by 100

0.85·100=85%

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2 years ago
Does the following infinite series converge or diverge? And does it or does it not have a sum 1/3-2/9+4/2718/81+...
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See Image.

8 0
3 years ago
Describe and correct the error in writing an equation of the line shown
Rudiy27

Answer:

y  = -\frac{3}{5}x+4

Step-by-step explanation:

Given:

(x_1,y_1) = (0,4)

(x_2,y_2) = (5,1)

The attachment completes the question

From the attachment, the slope of the line was calculated as:

m = \frac{1-4}{0-5}

This step is inaccurate because the slope of a line is calculated using

m = \frac{y_2-y_1}{x_2-x_1}

Which gives

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m = -\frac{3}{5}

The line equation is then calculated using:

y -y_1 = m(x - x_1)

Substitute values for m, x1 and y1

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y - 4 = -\frac{3}{5}(x)

Open bracket

y - 4 = -\frac{3}{5}x

Make y the subject

y  = -\frac{3}{5}x+4

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2 years ago
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