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3 years ago

6

Please Help!

1 answer:

borishaifa [10]3 years ago

8 0

Answer:

Both triangles have acute angles

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Can someone solve for x

Helen [10]

bearing in mind that, whenever we have an absolute value expression, is in effect a piece-wise function with a positive and a negative version of the expression, so

$\bf |x^2-4x-5|=7\implies \begin{cases} +(x^2-4x-5)=7\\\\ -(x^2-4x-5)=7 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ +(x^2-4x-5)=7\implies x^2-4x-5=7\implies x^2-4x-12=0 \\\\\\ (x-6)(x+2)=0\implies x= \begin{cases} 6\\ -2 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ -(x^2-4x-5)=7\implies x^2-4x-5=-7\implies x^2-4x+2=0 \\\\\\ (x-2)(x-2)=0\implies x = 2$

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3 years ago

If the probability of rain is 0.03 what is the probability of not rain

serious [3.7K]

0.97 because 1.00-.03=0.97

7 0

4 years ago

Read 2 more answers

I need the side of length x and the answer should be the nearest hundredth

Firdavs [7]

Answer:

x = 15.49

Step-by-step explanation:

a2+b2=c2

11^2+x^2=19^2

121 =x^2 = 361

x^2 = 240

x = 15.49

7 0

3 years ago

Use the quadratic formula to solve 4x2 – 8x – 60 = 0. A. B. No solution C. x = 5, –3 D. x = –3/5, –1

Lelu [443]

Nothing further can be done with this solution

8 0

3 years ago

An airplane is flying at an altitude of 26,843 feet. The plane descends (goes down) 1,284 feet. Then the plane ascends (goes up)

Liono4ka [1.6K]

Answer:

Hi

The answer is C

Step-by-step explanation:

Because it descend means goes down so it's minus and after that it ascends means goes up so it's plus so the answer will be -

26,843-1,284+5832

8 0

2 years ago