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Darya [45]
3 years ago
15

JK has endpoints at -12 and 4. What is the coordinate of its midpoint

Mathematics
1 answer:
iris [78.8K]3 years ago
7 0

Answer:

- 4

Step-by-step explanation:

Midpoint of JK

=  \frac{ - 12 + 4}{2}  \\  \\  =  \frac{ - 8}{2}  \\  \\  =  - 4

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Omar grouped the terms and factored the GCF out of the groups of the polynomial 3x3 – 15x2 – 4x + 20. His work is shown.
Phoenix [80]

Answer:

2nd option

Step-by-step explanation:

Given

3x³ - 15x² - 4x + 20

step 1 ( group the first/second and third/fourth terms )

(3x³ - 15x² ) + (- 4x + 20)

step  2 ( factor each group )

3x² (x - 5) - 4(x - 5) ← note factor of - 4 ( not + 4 )

step 3 ( factor out (x - 5) from each term )

(x - 5)(3x² - 4)

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2 years ago
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Which two rational numbers does √14 lie between?
Fiesta28 [93]

First, let's find what √14 equals.

√14 ≈ 3.74

Now, we can solve for all the answer choices.

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19/6 = 3.1666...

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Option B:

Doesn't need to be solved.

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Option C:

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Option D:

Doesn't need to be solved.

3.70

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The only option that contains √14 between it, is Option D.

Hope This Helped! Good Luck!

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What are the factors of the expression (y-2)(x+3)
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I need help finding the answers someone plz help
Harlamova29_29 [7]

Happy New Year from MrBillDoesMath!

Answer:

Proof by ASA congruence postulate. See below

Discussion:

  Fact 1 :     angle A = angle T             (given)

  Fact 2:    The angles on both sides of point X are equal as vertical angles

                 are equal.

From these facts it follows that angle M = angle H (as all plane triangles have 180 degrees). Also  AM = TH  (given) so

   In the left triangle                          In the right triangle

  (angle M, side AM, angle A)  =      (angle H, side TH, angle T)


Hence the triangles have two congruent angles, and congruent sides included between the angles, so they are congruent by  ASA.


Thank you,

MrB

8 0
3 years ago
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