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3 years ago

8

A certain triangle has two 45 degree angles, what type of triangle is it?

1 answer:

Shtirlitz [24]3 years ago

6 0

This type of triangle is a right triangle which has two other acute angles which are equal to one another. This is because 45 is complementary to itself.

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How does anyone know the answer to this?

katrin2010 [14]

Take the common out of both numerator and denominator and cancel out the terms which are equal.

(8x³ - 2x² - 3x)/(12x²- 9x)

= x(8x² - 2x -3)/3x(4x - 3)

= (8x² - 2x -3)/3(4x - 3)

=(4x-3)(2x+1)/3(4x-3)

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3 years ago

PLS HELP ME PLSSSS WHATS THE ANSWER

Paraphin [41]

Answer:

Step-by-step explanation:

I think its D cuz there should be one bar with negative value

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Can someone explain if I am wrong?

snow_lady [41]

Answer:

Step-by-step explanation:

A. (b - 10)(b + 10) = 180

$b^{2}$ -100 = 180

$b^{2}$ = 280

b = $\sqrt{280}$

b = 2 $\sqrt{70}$

Your A is correct.

B. 2 $\sqrt{70}$ - 10 = c

c = 6.733200531 = 6.73 Try rounding to 3 significant figures.

C. 2 $\sqrt{70}$ + 10 = d

d = 26.73320053 = 26.7

You are correct in all 3 answers. Perhaps you should try rounding to 3 significant figures for your c and d values.

I hope this helps!! ^-^

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weqwewe [10]

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Step-by-step explanation:

2.34 divided by 13= 0.18

To check my answer, 0.18 x 13 = 2.34

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