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Svetradugi [14.3K]
3 years ago
7

Are these correct???

Mathematics
1 answer:
velikii [3]3 years ago
8 0

Answer:

yes

Step-by-step explanation:

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Over the course of a year, a classroom went from 15 students to 19 students.
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19-15 = C Number of students over the course of a year!

19-15 gives us a total of 4 students over the course of the year!

So the value of C is 4 students
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How do work this out
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We can factor this by using grouping. Take the leading coefficient and multiply it by the constant. In this case we get 5*-7 = -35. 

Now we need 2 numbers that add to 2 and multiply to be -35. The numbers are -5 and 7.

So split the 2r into these two terms and group.

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Factor both groups.

5r(r-1) + 7(r-1)

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Write two numbers that multiply to the value on top and add to the value on bottom.
vova2212 [387]
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3 years ago
Question 3 of 10 A Assume EFG = JKL. If mLJ = 90°, mL K = 26°, and m< L = 64°, what is the measure of < E?
kumpel [21]

The measure of angle E will be 90 degrees as well.

Assume EFG = JKL.

If mLJ = 90°, mL K = 26°, and m< L = 64°,

<h3>What is the congruent triangle?</h3>

Two triangles are said to be congruent if the length of the sides is equal, a measure of the angles are equal and they can be superimposed.

We have been given an image of two congruent triangles.

Since, EFG = JKL

therefore, the corresponding angles will be congruent.

m < J = 90° = m< E = 90

By congruence measure of angle, J will be equal to the measure of angle E.

Hence, The measure of angle E will be 90 degrees as well.

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brainly.com/question/10586347

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