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4 years ago

Simplify. 2x (3-1) + 3 O 7 O 8 10 O 11

Mathematics

2 answers:

IRISSAK [1]4 years ago

8 0

Answer:

Let's simplify step-by-step.

2x(3−1)+3

=4x+3

Step-by-step explanation:

2x[3-1]=6x-2x=4x

4x+3

kap26 [50]4 years ago

4 0

Answer:

(2,−6)+(9,9)

(12,−5)⋅(5,6)

(4,4)⋅(4,4)

Step-by-step explanation:

Try one of these answers

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I am confused about this question

Afina-wow [57]

Answer:

X = 5

Step-by-step explanation:

When the line is going vertically down, the x-intercept is always the equation of the line.

6 0

2 years ago

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Decreasing -5 times a number by 18 is equal to decreasing 9 times the number by 25

faltersainse [42]

Answer:

x = 1/2

Step-by-step explanation:

-5x -18 = 9x - 25

-9x +18 -9x +18.

-14x = -7

÷ -14. ÷ -14

x = 1/2

8 0

4 years ago

The _____ measures how accurate the point estimate is likely to be in estimating a parameter. standard deviation degree of unbia

Vladimir79 [104]

Answer:

Standard deviation.

Step-by-step explanation:

The standard deviation measures how accurate the point estimate is likely to be in estimating a parameter.

3 0

3 years ago

Corinne solved the equation below:

tia_tia [17]

Answer: she is NOT correct the answer should be X= 19

How?:

the equation was 5x = 95

the 5 and x is being multiplied the opposite of multiplication is dividing

so 95/5= 19

therefor x= 19 and NOT 90

5 0

3 years ago

Read 2 more answers

A published report of a repeated-measures research study includes the following description of the statistical analysis. "The re

balandron [24]

Answer:

3 treatment conditions were compared in the study.

14 individuals participated in the study.

Step-by-step explanation:

Consider the provided information.

Part (A) How many treatment conditions were compared in the study?

There are two sets of degrees of freedom; one for the numerator and one for the denominator.

F ratio is defined as: $df=(df_{\text{Between treatment}}, df_{error})$

The formula for between treatment is: $df_{\text{Between treatment}}=k-1$

Substitute $df_{\text{Between treatment}}=2$ in above formula.

$2=k-1$

$k=3$

Therefore, 3 treatment conditions were compared in the study.

Part (B) How many individuals participated in the study?

The error degree of freedom is $df_{error}=(k-1)(n-1)$

Substitute $df_{error}=26$ and k=3 in above formula.

$26=(3-1)(n-1)$

$26=2(n-1)$

$14=n$

Hence, 14 individuals participated in the study.

3 0

4 years ago