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3 years ago

According to the fundamental theorem of algebra, how many roots does the following equation have?

Mathematics

1 answer:

Katen [24]3 years ago

5 0

Answer:

Step-by-step explanation:

While you did not specify the equation, there are n roots for an equation of n power.

i.e. anything that x, power is 1, only one root

For $x^{2}$ , there are two roots

For $x^{n}$ , there are n roots

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PLEASE HELP ME FAST!! THANK YOU!!

Neko [114]

Answer:

1.2, 2, 2.8

Step-by-step explanation:

Hey there,

15x=6

=> 5x=2, 3x=1.2, 7x=2.8

Hope this helps :)

5 0

3 years ago

Find the price per ounce rounded to the nearest cent: 1 lb 10 oz for $10.98.

Pachacha [2.7K]

Answer is C.) $0.42/oz

3 0

3 years ago

Ling gave some of her blankets to charity, decreasing her total number of blankets by 9. After she gave the blankets away, she h

alexandr402 [8]

# of blankets at the beginning = b

11 = b - 9

11 + 9 = b

b = 20

6 0

4 years ago

For an independent t-test, if the mean of group 1=10, mean of group 2=12, ss1 =5, ss2=8, there are 6 individuals per group. what

eimsori [14]

The value of t obtained is 4.76

Given,

Mean of group 1, $M_{1}$ = 10

Mean of group 2, $M_{2}$ = 12

$SS_{1}$ = 5

$SS_{2}$ = 8

Number of individuals per group, n = 6

The degrees of freedom are calculated as:

$df = (n_{1} -1)+(n_{2} -1)$ = ( 8-1) + (8-1) = 7 + 7 = 14

The difference between sample means $M_{d}$ is:

$M_{d}$ = $M_{1} -M_{2}$ = 10 - 12 = 2

Here n is equal for both groups which is = 8

Now,

The standard deviation of sample 1 :

$s_{1} =\sqrt{\frac{SS_{1} }{n_{1} -1} } = \sqrt{\frac{5}{8-1} } = \sqrt{\frac{5}{7} } = 0.85$

The standard deviation of sample 2 :

$s_{2}= \sqrt{\frac{SS_{2} }{n_{2}-1 } } = \sqrt{\frac{8}{8-1} } = \sqrt{\frac{8}{7} } = 1.07$

Now, we have to calculate the standard error for the difference of the means.

MSE = $\frac{(n_{1}-1)s^{2} _{1}+(n_{2}-1)s^{2} _{2} }{(n_{1}-1)+(n_{2}-1) }$

= $\frac{(8-1)(0.85^{2})+(8-1)(1.07^{2}) }{(8-1)+(8-1)}$

= $\frac{10.1318}{14}$

MSE = 0.7237

Then, the standard error can be calculated as:

$s_{M_{d} } = \sqrt{\frac{2MSE}{n} } = \sqrt{\frac{2 * 0.7237}{8} } = 0.42$

Now we can calculate t :

$t=\frac{M_{d} }{s_{M_{d} } } = \frac{2}{0.42} = 4.76$

Learn more about standard deviation here : brainly.com/question/16403666

#SPJ4

7 0

2 years ago

Help please I really do need help

LuckyWell [14K]

Answer:

P'(-6, -4)

Step-by-step explanation:

The (x, y) coordinates of the plotted point P are (-2, 2).

Putting those values into the translation formula, you get ...

(x, y) ⇒ (x -4, y -6)

(-2, 2) ⇒ (-2 -4, 2 -6) = (-6, -4)

The coordinates of the translated point P' are ...

P'(-6, -4)

4 0

3 years ago