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Pavlova-9 [17]
3 years ago
6

Does 2x^2-8x have a GCF?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
3 0

Answer: I think; 2x

Step-by-step explanation:maybe

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How do I construct angle XYZ with a measure of 2 times the measure of angle ABC
Serjik [45]
I can’t understand why everyone complicates this question. It can be easily solved by similar triangles.


In this png, we have something to make sure.

∠B=∠DAB
∠
B
=
∠
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A
B
(Yes, dab)

This also means AD=BD
A
D
=
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D
.

This is our basic construction of D, which is going to help us.

∠ADC=∠DAB+∠B=2∠B=∠CAB
∠
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D
A
B
+
∠
B
=
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∠
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=
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C
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∠CAD=∠CAB−∠DAB=∠B
∠
C
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D
=
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C
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B
−
∠
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A
B
=
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B

These are based on the fact that ∠A=2×∠B
∠
A
=
2
×
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Actually these conditions suffice. Because I am just proving that △ACD∼△BCA
△
A
C
D
∼
△
B
C
A

Similarity makes us realize the following:

ACBC=ADAB
A
C
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C
=
A
D
A
B

and

ACBC=CDAC
A
C
B
C
=
C
D
A
C

So

AC×AB=BC×AD
A
C
×
A
B
=
B
C
×
A
D

and

AC2=BC×CD
A
C
2
=
B
C
×
C
D

So

BC2=BC×(BD+CD)=BC×(AD+CD)
B
C
2
=
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C
×
(
B
D
+
C
D
)
=
B
C
×
(
A
D
+
C
D
)

=AC×AB+AC2
=
A
C
×
A
B
+
A
C
2

Q.E.D.
2.4k Views ·
6 0
3 years ago
True Or False Questions
Bad White [126]

Answer:

Step-by-step explanation:

<u>TRUE</u>

All isosceles triangles have at least 2 acute angles due to 2 sides are equal.

The exterior angle of an equilateral triangle is obtuse.

If the perimeter of an equilateral triangle is P, then the length of each of the sides is P/3.

<u>FALSE</u>

All isosceles triangles are equilateral triangles.

If you know the length of one of the legs of an isosceles triangle, you can determine it’s the perimeter

8 0
3 years ago
What is the volume of the prism​
Oksanka [162]

Answer:  i think is V=4.29m3

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6 0
3 years ago
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Agata [3.3K]

Answer:

The answer is 81.

Step-by-step explanation:

Since the power of 4 is even, the result will be positive.

{3}^{4}

Simplify.

81

<u>hence</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>Option</u><u> </u><u>A</u><u>)</u><u> </u><u>81</u><u>.</u>

7 0
3 years ago
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Two points are (0,-2) and (400,-102).
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