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3 years ago

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The perimeter of a rectangle is represented by 4x2 5x-2. The perimeter of a smaller rectangle is represented by x2 3x-5. Which p

olynomial expression BEST represents how much larger the first rectangle is than the smaller rectangle

1 answer:

JulsSmile [24]3 years ago

6 0

\left[x \right] = \left[ \frac{1.6666666666666665}{x2}\right][x]=[x21.6666666666666665] totally result answer

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Of interest is to test the hypothesis that the mean length of all face-to-face meetings and the mean length of all Zoom meetings

Goshia [24]

Answer:

Null hypothesis: $\mu_1 = \mu_2 = ..... \mu_j , j =1,2,....,n$

Alternative hypothesis: $\mu_i \neq \mu_j , i,j =1,2,....,n$

The alternative hypothesis for this case is that at least one mean is different from the others.

And the best method for this case is an ANOVA test.

Step-by-step explanation:

For this case we wnat to test if all the mean length of all face-to-face meetings and the mean length of all Zoom meetings are the same. So then the system of hypothesis are:

Null hypothesis: $\mu_1 = \mu_2 = ..... \mu_j , j =1,2,....,n$

Alternative hypothesis: $\mu_i \neq \mu_j , i,j =1,2,....,n$

The alternative hypothesis for this case is that at least one mean is different from the others.

And the best method for this case is an ANOVA test.

6 0

3 years ago

Cos(0)=square root 3/3, sin 0<0. what is the value of sin0

abruzzese [7]

Answer:

sin θ = $\frac{\sqrt{6} }{3}$

Step-by-step explanation:

Given that,

cos θ = $\frac{\sqrt{3} }{3}$

From the trigonometric functions,

cos θ = $\frac{adjacent}{hypotenus}$

⇒ adjacent = $\sqrt{3}$ , and the hypotenuse = 3

Let the opposite side be represented by x, applying the Pythagoras theorem we have;

$/hyp/^{2}$ = $/adj/^{2}$ + $/opp/^{2}$

$/3/^{2}$ = $(\sqrt{3} )^{2}$ + $x^{2}$

9 = 3 + $x^{2}$

$x^{2}$ = 9 - 3

= 6

x = $\sqrt{6}$

Thus, opposite side = $\sqrt{6}$

So that,

sin θ = $\frac{opposite}{hypotenuse}$

= $\frac{\sqrt{6} }{3}$

Therefore,

sin θ = $\frac{\sqrt{6} }{3}$

6 0

3 years ago

8th grade algebra! please help. 20 points. due in 10 minutes. question is in the picture.

satela [25.4K]

Answer:

B

Step-by-step explanation:

.45y+.3(0) = 3.6

y=8

8 does not equal 12

8 0

3 years ago

Kara's family is thinking about renting an SUV that can travel 6 2/3 miles on 1/6 gallon of gas. Kara wants to know the gas mile

Zarrin [17]

Answer:

21 brov

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

The y-intercept of the graph of y=(x-c)(x-d)^3 is

snow_lady [41]

Answer:

Just Make x=0

$y_i=(-c)(-d)^3=cd^3$

6 0

3 years ago