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aivan3 [116]
2 years ago
6

( URGENT) What are the roots of the polynomial equation x Superscript 4 Baseline + x cubed = 4 x squared + 4 x? Use a graphing c

alculator and a system of equations.
–2, –1, 0, 2
–2, 0, 1, 2
–1, 0
0, 1

Mathematics
2 answers:
Finger [1]2 years ago
4 0

Answer:

A.

Step-by-step explanation:

Feliz [49]2 years ago
3 0

Answer: A

Step-by-step explanation:

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A chemist has 30% and 40% solutions of acid available. How many liters of each solution should be mixed to obtain 65 liters of 3
mars1129 [50]

Answer:

30 = 80 %

40= 20 %

Step-by-step explanation

I'm sorry for not writing how to do it but it's something like if 30 = 100 then if we had 40 occupying 20 percent of that acid then we will get 32 percent

5 0
3 years ago
Please simplify -3 x 8 x n​
babymother [125]

Answer:

- 24n

Step-by-step explanation:

- 3 × 8 × n

- 24 × n

- 24n

8 0
3 years ago
Which of the numbers is irrational? <br> A) 2.3 <br> B) √3 <br> C) √4 <br> D) 1/3
Thepotemich [5.8K]
Irrational number is <span>√3

Hope it helps</span>
8 0
3 years ago
The IQ test is designed such that the scores on it are normally distributed with a mean of 100 and a standard deviation of 15. I
kozerog [31]

Answer:

130

Step-by-step explanation:

A standard deviation is 15, so 2 standard deviation is 30, 2 standard deviations above 100 is 100+30=130

5 0
3 years ago
Please help! :)
Volgvan

Answer:

So the correct option is First one

i.e \dfrac{9\pi}{A}=\dfrac{90}{360}

Step-by-step explanation:

Given:

Area of Shaded part = 9 π square feet

To Find :

Area of Circle = ?

Solution:

90 degree center angle is equivalent to an area of 9 Π  square feet

So, 360 degree center is equivalent to area A which is the area of the complete circle.

So the Ratio will be

\dfrac{90}{9\pi} =\dfrac{360}{A}

Setting the given statements in proportion:

\dfrac{90}{9\pi} =\dfrac{360}{A}

On solving we get the required

\dfrac{9\pi}{A} =\dfrac{90}{360}

So the correct option is First one

i.e \dfrac{9\pi}{A}=\dfrac{90}{360}

Alternate Method:

Shaded part is of 90°

Area of Shaded part = 9 π square feet

And Full Circle is of 360° that is 4 sector of 90°

\textrm{Area of Circle}=4\times (Shaded\ part)

\textrm{Area of Circle}=4\times 9\pi

\textrm{Area of Circle}=36\pi

So the correct option is First one

i.e \dfrac{9\pi}{A}=\dfrac{90}{360}

On solving this we get

A=36\pi\ feet^{2}

8 0
3 years ago
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