Write the zero of the polynomial p(x)  5x  2.

Mathematics

1 answer:

max2010maxim [7]3 years ago

8 0

Answer:

5×2is your answer right answer

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Help! Show your work pls ^^ | | | v

Eva8 [605]

Answer:

A =90 in^2

Step-by-step explanation:

The area of the rhombus is found by

A = 1/2 d1 * d2 where d1 and d2 are the diagonal lengths

d1 = 2*6 =12

d2 = 2 *7.5=15

A = 1/2 (12*15)

A =90 in^2

4 0

4 years ago

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Chance rolls a 1-6 number cube. What is the probabilty that he will roll a prime number

kotykmax [81]

Answer:

Step-by-step explanation:

There are six numbers altogether. 2 3 and 5 are prime. One is odd, but it is not considered prime.

So P(prime) = 3/6 = 1/2

As a percent, this is 1/2 * 100 = 50%

5 0

3 years ago

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Solve for x 6x²+2x-12

dem82 [27]

Answer:

Step-by-step explanation:

Solving for x means you have to factor. First factor out the GCF of 2 to get:

$2(3x^2+x-6)$ and now we'll factor using the regular old method of ac and then factoring by grouping. In our polynomial, a = 3, b = 1, c = -6. Therefore, a times c is 3 * -6 which is -18. We need some combinations of the factors of 18 that will add to give us 1, the b term in the middle. The factors of 18 are:

1, 18

2, 9

3, 6 and that's it. Hm...it seems that won't work, so let's throw this into the quadratic formula, going back to the original and a = 6, b = 2 and c = -12:

$x=\frac{-2+/-\sqrt{2^2-4(6)(-12)} }{2(6)}$ and

$x=\frac{-2+/-\sqrt{4+288} }{12}$ and

$x=\frac{-2+/-\sqrt{292} }{12}$ and

$x=\frac{-2+/-\sqrt{4*73} }{12}$ and

$x=\frac{-2+/-2\sqrt{73} }{12}$ which finally simplifies to

$x=\frac{-1+/-\sqrt{73} }{6}$ No wonder that didn't factor using the traditional method of factoring! We could have found that out by finding first the value of the discriminant, but oh well!