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ZanzabumX [31]
3 years ago
10

Does anyone know the quickest way to solve these types of questions?

Mathematics
1 answer:
White raven [17]3 years ago
5 0
Nope not me beyond me
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Use the graph. Which equation is true from the information in the graph?
Nikolay [14]
From the graph, we see that two similar triangles are created by using the slope of the line.
• Because the two triangles appear to have congruent angles and proportional side lengths, we can conclude with the information we have that the two triangles are indeed similar. They are the same shape but proportional with congruent angles.
• Therefore, a/b = c/d because the scale factor remains the same of both ratios.
•We can also see that in larger triangle, the slope = 3/6 and the slope of the smaller one = 2/4. 3/6 = 2/4 because 3/6 = 1/2 and 2/4 = 1/2. Therefore, the slopes are proportional and equal.
• Because the slopes are proportional and the triangles are proportional, the a/b = c/d.
7 0
3 years ago
Cos²x - 2 sin²x = -2 .Help me to solve it ​
Alex777 [14]

Step-by-step explanation:

note that

sin²x = (1-cos²x)

LHS= cos²x - 2 sin²x

= cos²x - 2(1-cos²x)

= cos²x - 2 + 2cos²x

= 3cos²x - 2

or

cos²x = (1-sin²x)

LHS= cos²x - 2 sin²x

=1-sin²x - 2 sin²x

= 1-3sin²x

7 0
3 years ago
Hong purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Hong paid.
klio [65]

Answer:

5n=c

Step-by-step explanation:

the equation 5n=c can represent the total cost Hong would have paid for the notebooks because given that each notebook costs $5, you would multiply 5 by the number of notebooks (n) that Hong would be purchasing, which would bring you to the cost (c) of the notebooks all together

sorry for the delay. hope this helps

4 0
2 years ago
1)Which statement is true about the line passing through points A and B?
Studentka2010 [4]
Part 1:
The statement that is true about <span>the line passing through points A and B is
</span><span>The line has infinitely many points.
</span>
<span>Beacause of the arrows at the endpoints, the line does not have a finite length that can be measured.

</span><span><span>Any segment with at least two points has infinitely many points, because, intuitively, given any two distinct points, there is a third one, distinct from both of them, say, the middle point.
Thus, t</span>here are not only two points on the entire line.

The line can be called AB or BA, so there is not only one way to name the line.

</span>
Part 2:
Line FM can also be named line MF.
Therefore, the correct name for line FM is line MF.
4 0
3 years ago
Read 2 more answers
What’s the answer to this
Fed [463]

Answer:

This is the wrong subject. and please provide a passage.

Step-by-step explanation:

8 0
2 years ago
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