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Sphinxa [80]
3 years ago
10

-8v=9-9v solve for v​

Mathematics
2 answers:
Finger [1]3 years ago
8 0

Answer: v = 9

Step-by-step explanation: Hi there!

First, add 9v on each side to get

v=9.

Naya [18.7K]3 years ago
8 0

Answer:

v=9

Step-by-step explanation:

 −8v=9−9v

−8v=9+−9v

−8v=−9v+9

−8v+9v=−9v+9+9v

v=9

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What is the square root of81
iogann1982 [59]

Answer:

The answer is 9

3 0
3 years ago
The null hypothesis for an ANOVA is that all treatments/samples come from populations with the same mean. The alternative hypoth
Charra [1.4K]

Answer:

At least one of the population means is different from the others.

Step-by-step explanation:

ANOVA is a short term or an acronym for analysis of variance which was developed by the notable statistician Ronald Fisher. The analysis of variance (ANOVA) is typically a collection of statistical models with their respective estimation procedures used for the analysis of the difference between the group of means found in a sample. Simply stated, ANOVA helps to ensure we have a balanced data by splitting the observed variability of a data set into random and systematic factors.

In Statistics, the random factors doesn't have any significant impact on the data set but the systematic factors does have an influence.

Basically, the analysis of variance (ANOVA) procedure is typically used as a statistical tool to determine whether or not the mean of two or more populations are equal through the use of null hypothesis or a F-test.

Hence, the null hypothesis for an ANOVA is that all treatments or samples come from populations with the same mean. The alternative hypothesis is best stated as at least one of the population means is different from the others.

5 0
2 years ago
The second term of an arithmetic sequence is 13 and the fourth term is 7.
Tomtit [17]

Answer:

<h3>                 \bold{a_{13}=52}</h3>

Step-by-step explanation:

d=a_4-a_3=a_3-a_2\\\\a_3-a_2=a_4-a_3\\\\2a_3=a_2+a_4\\\\2a_3=13+7\\\\2a_3=20\\\\a_3=10\\\\d=10-13=-3\\\\\\a_2=a_1+d\quad\implies\quad a_1=a_2-d=13-(-3)=16\\\\a_n=a_1+d(n-1)\\\\a_{13}=16+(-3)(13-1)=16+36=52

5 0
2 years ago
There are 24 students in homeroom 218. 7/12 of the students are girls. How many girls are in homeroom 218?
hichkok12 [17]

There are 14 girls in HR 218 because 24/12 is 2, meaning that the ratio needs to be multiplied by 2/2 in order to figure out what 7/12 is.  7/12*2/2 is 14/24, therefore there are 14 girls in HR 218.

8 0
3 years ago
I'm kinda stumped on this <br><br> Solve -4x + x = - 9/4
Kitty [74]

Answer:

  x = 3/4

Step-by-step explanation:

It usually works well to collect terms first. (Add the coefficients of x.)

  -4x +x = -9/4

  (-4+1)x = -9/4

  -3x = -9/4 . . . . . . equation with terms collected

Now, you can divide by the coefficient of x. Here, it can be useful to consider this to be the same as multiplying by the inverse of that coefficient, which inverse is -1/3.

  (-1/3)(-3x) = (-1/3)(-9/4) . . . . . multiply both sides by -1/3

  x = 3/4 . . . . . simplify

7 0
3 years ago
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