3 years ago

Given a triangle with angles of 23°, 90°, 67°.

Mathematics

1 answer:

marishachu [46]3 years ago

8 0

The answer is that it's a right triangle. One angle is 90°

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Factor completely, the expression: 2x^3-2x^2-12x

muminat

$2x^3-2x^2-12x=2x(x^2-x-6)=(*)\\\\------------------------------\\x^2-x-6\\\\a=1;\ b=-1;\ c=-6\\\\\Delta=(-1)^2-4\cdot1\cdot(-6)=1+24=25\\\\\sqrt\Delta=\sqrt{25}=5\\\\x_1=\frac{1-5}{2\cdot1}=\frac{-4}{2}=-2;\ x_2=\frac{1+5}{2\cdot1}=\frac{6}{2}=3\\\\x^2-x-6=(x+2)(x-3)\\\\------------------------------\\\\(*)=2x(x+2)(x-3)$

8 0

3 years ago

Can someone help me !!

son4ous [18]

The perimeter of a rectangle is 2W + 2L. We are given the length and width of each rectangle.

The answer is C because if you add all the sides you get 4x + 8, not 4x + 4

7 0

4 years ago

The expression (8 - 3 to the 2nd power - (5 - 2) to the 2nd power is equivalent to which of the following numerical expressions?

Fittoniya [83]

8-3 = 5
5^2 = 25
5-2 = 3
3^2 = 9
25-9=16

Hope this helps

3 0

4 years ago

Find the value of x

maxonik [38]

Answer:

Step-by-step explanation:

2x - 6 = 16 (Based on similarity)

2x = 16 + 6

2x = 22

x = 22/2

x = 11

4 0

3 years ago

How would I complete this?

Nat2105 [25]

basically you would do length x width

5x and x

6 and 4

7 0

4 years ago