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3 years ago

Identify the radicand in the radical below

Mathematics

1 answer:

Elena L [17]3 years ago

4 0

Answer:

The radicand is whatever is under the the radical, so in this case, your answer would be D. 3x-5

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Find the zeros of polynomial function and solve polynomials equations.<br> f(x)=24x^3-64x^2-21x+56

8090 [49]

Since this polynomial has 4 terms, factoring by grouping should be the first thing we try here.

So, we have:

$8x^2(3x-8)-7(3x-8)=0 \implies\\ (8x^2-7)(3x-8)=0$

So, we can use ZPP to find out roots:

$3x-8 =0 \implies\\ x=\frac{8}{3}\\ 8x^2-7=0 \implies \\ 8x^2=7 \implies \\ x^2=\frac{7}{8} \implies \\ x=\pm\frac{\sqrt{7}}{\sqrt{{8}}}\\ \text{Rationalizing denominator:}\\ x=\pm\frac{\sqrt{56}}{8}$

So our three roots are:

$x \in \{\frac{8}{3},\frac{\sqrt{56}}{8},-\frac{\sqrt{56}}{8}\}$

8 0

3 years ago

What percent is equivalent to 8/40

Dmitry [639]

divide:

8/40 = 0.2

0.2 = 20%

4 0

3 years ago

Help see if i got this right please

irinina [24]

Answer:

I think you got it

Step-by-step explanation:

6 0

2 years ago

17. A baseball trading card is sold for $2, and its

Sidana [21]

Answer:

$4.32

Step-by-step explanation:

8% can be represented as 1.08

2 x 1.08 = 2.16

2 x 1.08 x 1.08 = 2.33

2 x 1.08 x 1.08 x 1.08 = 2.52

etc. all the way up to 10

6 0

2 years ago

Read 2 more answers

Factor 9x2+24x+16<br> Enter your answer in the boxes.<br><br> 9x2+24x+16= ( )2

Vitek1552 [10]

Answer:

123

Step-by-step explanation:

if the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadthif the perimeter of a rectrangular field of length 25 m is 86 m find its breadth

7 0

3 years ago