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Genrish500 [490]
3 years ago
7

HELP ASAP WITH THIS QUESTION

Mathematics
1 answer:
alexgriva [62]3 years ago
5 0
Hey there (again)

x = 2y  \\ y = -2  \\ x = 2(-2) \\x= -4 \\ \\ \\ w + xy + 4x^2  = 2\\ w+-4(-2) + 3(-4)^2 = 2 \\ w + 8 + 3(16) = 2 \\ w + 8 + 48 = 2 \\ Subtract56: w + 56 =2 \\ 56 - 56 (Cancel) \\ 2 - 56 = -54 \\ w = -54

Answer: B  the simplification performed in step 2 is invalid or incorrect

Good luck on your assignment and enjoy your day 

~MeIsKaitlyn:)
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Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were teste
iogann1982 [59]

Answer:

Explained below.

Step-by-step explanation:

The data provided is for the dying time of four different types of paint.

One-way ANOVA can be used to determine whether all the four paints have the same drying time.

Use Excel to perform the one-way ANOVA.

Go to Data → Data Analysis → Anova: Single Factor

A dialog box will open.

Select the data.

Select "Grouping" as Columns.

Press OK.

The output is attached below.

The required values are as follows:

(1)

Sum of Squares of Treatment (Between Subjects):

SST = 330

(2)

Sum of Squares of Error (Within Subjects):

SSE = 692

(3)

Mean Squares Treatment (Between Subjects):

MST = 110

(4)

Mean Squares Error (Within Subjects):

MSE = 43.25

6 0
3 years ago
) Lucy, Soling, Kyan, and Daniel are ordering dinner for their families. Each person spends
melisa1 [442]

Answer:

Lucy is 5(m+3)=65

Soling is 5m-3=65

Kyan is 5m+3=65

Daniel is 5(m-3)=65

Step-by-step explanation:

3 0
3 years ago
Help plsss 20+ pointsss
Lena [83]

Answer:

3

Step-by-step explanation:

area of square=l*b so

81=3x multiply 3x

81=9x^2

81/9=x^2

9=x^2

\sqrt9=x

3=x

4 0
3 years ago
2x -y +z = 7<br> 2x + 4y - 2z = 0<br> x-y + 3z = 2
djyliett [7]
The first one y = 2/3
8 0
3 years ago
Read 2 more answers
One number is five less than a second number. Three times the first is 14 more than 4 times the second. Find the numbers.
Evgen [1.6K]

Answer:

Second number = -29

First number  = -34

Step-by-step explanation:

Second number = x

First number  = x - 5

3*(x-5) = 4x + 14

3x - 3*5 = 4x + 14

3x - 15  = 4x + 14

      -15 =  4x +14 - 3x

      -15 = x + 14

-14 - 15 = x

x = -29

Second number = -29

First number  = -29 - 5 = -34

8 0
2 years ago
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