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3 years ago

I need help with number 3 on solving quadratic equations by the quadratic formula

Mathematics

1 answer:

max2010maxim [7]3 years ago

6 0

The answer is x=8 or x=-13

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6n < -12 pls show work

dalvyx [7]

Answer:

Step-by-step explanation:

6n < -12

6n/6 <-12/6 divide six on both sides

n < -2

5 0

3 years ago

Which function is a horizontal compression of its parent function f(x)= x^2 by a factor of 4

miskamm [114]

Answer:

3rd Option I think-

Step-by-step explanation:

5 0

3 years ago

Evaluate C_n.xP^xQn-x For the given n=7, x=2, p=1/2

r-ruslan [8.4K]

Answer:

The value of given expression is $\frac{21}{128}$ .

Step-by-step explanation:

Given information: n=7, x=2, p=1/2

$q=1-p=1-\frac{1}{2}=\frac{1}{2}$

The given expression is

$C(n,x)p^xq^{n-x}$

It can be written as

$^nC_xp^xq^{n-x}$

Substitute n=7, x=2, p=1/2 and q=1/2 in the above formula.

$^7C_2(\frac{1}{2})^2(\frac{1}{2})^{7-2}$

$\frac{7!}{2!(7-2)!}(\frac{1}{2})^2(\frac{1}{2})^{5}$

$\frac{7!}{2!5!}(\frac{1}{2})^{2+5}$

$\frac{7\times 6\times 5!}{2\times 5!}(\frac{1}{2})^{2+5}$

$21(\frac{1}{2})^{7}$

$\frac{21}{128}$

Therefore the value of given expression is $\frac{21}{128}$ .

7 0

3 years ago

What expression is equivalent to 12x^4/4x^16 helpppp

adoni [48]

Answer: 48x/64

Work (assuming ^ is multiplication):

12x^4/4x^16

12x ^ 4x = 48x

4 ^ 16 = 64

3 0

2 years ago

Which statement could be used in step 2 when proving x =

Marianna [84]

Answer:

hihihihihihiihihihihihihihihihihihiihihihihihihihiihihihihihi

Step-by-step explanation:

i really know like omg please give brainlest

8 0

3 years ago