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lozanna [386]
2 years ago
14

Which of these steps can be used to keep the equation balanced?

Mathematics
1 answer:
Mice21 [21]2 years ago
6 0
C. Add 26 by 5 is the answer
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Can you answer the question please​
denpristay [2]

Answer:

(x-5,y-1) traslation

Step-by-step explanation:

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2 years ago
Use abc to find the value of cos B
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Cos of b equals c over a 
7 0
3 years ago
Answer the questions below (20 Points)
Volgvan

Answer: for the 12,13,40,95,88,7,95

mean 95,median 83,mode 95

Step-by-step explanation:

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3 years ago
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ABCD is a rectangle. The measure of angle BCE is 4x-23 and the angle measure of angle DCE is 5+5x. Find the measure of angle BEC
Temka [501]
<h2>Explanation:</h2><h2></h2>

The diagram for this problem is shown below. Point E is the intersection of the two diagonals and we know that:

\angle BCE=\beta \\ \\ \angle DCE=\theta

Every internal angle of any rectangle measures 90 degrees, so:

\beta +\alpha=90 \\ \\ (4x-23)+(5+5x)=90 \\ \\ \\ Isolating \ x: \\ \\ (4x+5x)+(5-23)=90 \\ \\ 9x-18=90 \\ \\ 9x=108 \\ \\ x=\frac{108}{9}=12

So:

\beta=4x-23=4(12)-23=25^{\circ}

So the measure of angle BEC can be found as follows:

We know that triangle ΔCEB is an isosceles triangle because the diagonals of any rectangle measure the same. So

\angle EBC=\beta

The sum of internal angles of any triangle add up to 180 degrees, so:

\beta + \beta+\angle BEC=180^{\circ} \\ \\ 2\beta+\angle BEC=180^{\circ} \\ \\ \angle BEC=180^{\circ}-2\beta \\ \\ \angle BEC=180^{\circ}-2(25^{\circ}) \\ \\ \angle BEC=180^{\circ}-50^{\circ} \\ \\ \boxed{\angle BEC=130^{\circ}}}

7 0
3 years ago
The segment addition postulate states that if point C is between points A and B, then... ANSWER ASAP
Nadya [2.5K]

Answer & Step-by-step explanation:

The Segment Addition Postulate states that AB + BC = AC when C is between A and B.

<h2>___________________________________________________</h2><h2><em>I AM ALWAYS HAPPY TO HELP :)</em></h2>
7 0
3 years ago
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