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sasho [114]
3 years ago
6

Solve the equation for x. 1 4 (2x + 8) = −16

Mathematics
2 answers:
dimaraw [331]3 years ago
4 0

Answer:Let's solve your equation step-by-step.

1

4

(2x+8)=−16

Step 1: Simplify both sides of the equation.

1

4

(2x+8)=−16

(

1

4

)(2x)+(

1

4

)(8)=−16(Distribute)

1

2

x+2=−16

Step 2: Subtract 2 from both sides.

1

2

x+2−2=−16−2

1

2

x=−18

Step 3: Multiply both sides by 2.

2*(

1

2

x)=(2)*(−18)

x=−36

12345 [234]3 years ago
3 0

Answer:

-36

Step-by-step explanation:

1/4(2x+8)=-16

2x+8=-16/(1/4)

2x+8=(-16/1)(4/1)

2x+8=-64/1

2x+8=-64

2x=-64-8

2x=-72

x=-72/2

x=-36

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2 years ago
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You previously found the mean of this data set. Use that in answering the question. 63, 89, 92, 73, 79, 72, 34, 36, 94, 21, 25,
kicyunya [14]

Answer:

Sum of squares of differences = 11239.74

Step-by-step explanation:

We are given the following data set:

63, 89, 92, 73, 79, 72, 34, 36, 94, 21, 25, 93, 22, 90, 79

We have to calculate the sum of square of the data set.

Formula:

\text{Sum of square of differences} = \sum (x_i -\bar{x})^2

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{962}{15} = 64.13

Sum of squares of differences =

1.284444444 + 618.3511113 + 776.5511113 + 78.61777778 + 221.0177779 + 61.88444445 + 908.0177776 + 791.4844443 + 892.017778 + 1860.484444 + 1531.417778 + 833.2844446 + 1775.217777 + 669.0844446 + 221.0177779

= 11239.74

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3 years ago
What is the value of X?
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These angles are vertical angles meaning that they are equal to each other. Here is the equation for this problem:

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Combine like terms

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Hope this helped!

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Answer:

Step-by-step explanation:

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ipn [44]
Using product rule;

f(x)=(1+6x²)(x-x²)

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Solving the bracket first;

f(x)=(1+6x²)(x-x²) = x -x² +6x³ -6x^4

f'(x)= 1 -2x +18x² -24x³ = -24x³ +18x² -2x +1

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3 years ago
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