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4 years ago

Which of the following is an x-intercept of the function f(x)= x^3 -5x^2 -8x +48

Mathematics

1 answer:

Inessa05 [86]4 years ago

3 0

Answer:

Factor x3−5x2−8x+48

x3−5x2−8x+48

=(x+3)(x−4)(x−4)

Answer:

(x+3)(x−4)(x−4)

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Is 23 +777 rational or irrational?

liubo4ka [24]

Answer:

rational

Step-by-step explanation:

because it not a repeating decimal that never ends without repeating number and can be writing in as form of fraction. 23+777=800 definitely rational

7 0

3 years ago

Evaluate.

madreJ [45]

Answer:

Answer is none of these.

Answer is given below with explanations. 

Step-by-step explanation:

Given that x = -2.5

To find the value of x+13

Ob substituting the value in the given equation 

we get 

= -2.5+13

= 13 - 2.5 (we can also write like this)

= 10.5

Therefore value of x +13 is 10.5

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

8 0

3 years ago

No idea how to solve. Find all solutions in the interval [0, 2π). cos x = sin x

alexdok [17]

$\cos x=\sin x\\
\tan x=1\\
x=\dfrac{\pi}{4}+k\pi,k\in \mathbb{Z}

$

In the given interval, the solutions are $\dfrac{\pi}{4},\dfrac{5\pi}{4}$

8 0

3 years ago

PLEASE HELP, I WILL MARK BRAINLIEST!!

Alekssandra [29.7K]

Answer:

0-0

Step-by-step explanation:

I've got nothin i just need points to ask questions

8 0

3 years ago

Please help me in the question Below.

Oduvanchick [21]

Answer:

x is 60°

y is 30°

(would really, reallly appreciate the brainliest)

Step-by-step explanation:

x can be seen as what's needed to do a full 180 ° turn when you already turned 120°

y is 60° bc the sum of all tree angles of a triangle is always 180°

90° are given with the little square, 60 by the similar reasoning as above

6 0

4 years ago

Read 2 more answers