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evablogger [386]
3 years ago
7

If a triangle has a right angle and a 30 degree angle, what is the measure of the third angle?

Mathematics
2 answers:
masya89 [10]3 years ago
5 0
I think the answer is 60 I’m not sure but good luck
saveliy_v [14]3 years ago
3 0

Answer:

60

Step-by-step explanation:

All triangles have a total measurement of 180 degrees. So to find the last angle measure subtract 90 and 30 from 180, 180-(90+30). This equals 60 degrees. Additionally, a triangle with a 90 and 30 degree angle is known as a 30-60-90 special right triangle. All of these triangles will have 60 as their third measurement.

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System A
Sonbull [250]

For the given systems we have:

1) Swap the right sides of both equations in system A.

2) No, the systems are not equivalent systems.

<h3>How can we get System B from System A?</h3>

The two systems are:

A:

-10x - 4y = 0

-2x + 7y = 8

B:

-10x - 4y = 8

-2x + 7y = 0

Notice that the only different thing between the systems is that the right sides are inverted. So, if we invert the right side of A, we will get system B.

2) Are the systems equivalent?

No, the systems are not equivalent because to go from system A to system B we only modified the right side of system A, the systems would be equivalent only if modifying both sides of A gave system B, but this is not the case.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

4 0
2 years ago
Rectangle ABCD is the image of ABCD after the reflection of which of the following lines
HACTEHA [7]

Answer My best guess is D

Step-by-step explanation:

7 0
3 years ago
The function y=-5x+2 is transformed by reflecting it over the y axis. What is the equation of the new function?
vampirchik [111]

y = mx + b

When a function is reflected over the y-axis, the b (2) stays the same but the slope (m) changes to its opposite sign.

since the slope is negative in this equation, it will become positive.

so the new fuction will be

y = 5x + 2

7 0
3 years ago
Is it possible that the difference of two negative integers is a positive integer
Tatiana [17]

yes

e.g. (-2)-(-2)=4

4 0
3 years ago
Read 2 more answers
Dan spends 14 of his wages on rent and 23 on food. If he makes £264 per week, how much money does he have left?
marta [7]

Answer:

166.32

Step-by-step explanation:

14%+23%=37%                 100-37=63

     100%=264

     63%=x

     63x264=16632/100=166.32

3 0
3 years ago
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