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CaHeK987 [17]
3 years ago
15

This model represents an equation. (a) Write an equation that could be used to solve x (b) Solve the equation for x. Show your w

ork.
Mathematics
1 answer:
Aliun [14]3 years ago
4 0

Answer:

elimination method I think so

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the vertex form of the equation of a parabola is y=(x-5)2+16. what is the standard form of the equation
Reika [66]

Answer:

y = x² - 10x + 41

Step-by-step explanation:

The standard form of a quadratic is ax² + bx + c : a ≠ 0

Given

y = (x - 5)² + 16 ← expand (x - 5)²

 = x² - 10x + 25 + 16

 = x² - 10x + 41 ← in standard form

6 0
4 years ago
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The "cold start ignition time" of an automobile engine is being investigated by a gasoline manufacturer. The following times (in
Oliga [24]

Answer:

The boxplots are on the figure attached. And the explanation is below.

Step-by-step explanation:

For the first formulation we have the following dataset:

1.76, 1.84, 2.71, 2.26, 3.15, 3.21, 2.48, 1.87

We can construct a box plot with the following R code:

> x1<-c( 1.76, 1.84, 2.71, 2.26, 3.15, 3.21, 2.48, 1.87)

> boxplot(x1,main="Boxplot method 1")

For the scond formulation we have the following data:

1.75, 2.08, 3.17, 3.21, 2.74, 2.83, 3.47, 2.47, 1.98

And the boxplot can be constructed with the following R code:

> x2<-c(1.75, 2.08, 3.17, 3.21, 2.74, 2.83, 3.47, 2.47, 1.98)

> boxplot(x2,main="Boxplot method 2")

And we can get the comparative 5 number results for each case:

> summary(x1)

  Min. 1st Qu.  Median    Mean 3rd Qu.    Max.  

 1.760   1.863   2.370   2.410   2.820   3.210  

> summary(x2)

  Min. 1st Qu.  Median    Mean 3rd Qu.    Max.  

 1.750   2.080   2.740   2.633   3.170   3.470

As we can see both histograms shows asymmetrical distributions. For the first method Mean>Median so then we can conclude that the distribution would be approximately skewed to the right. For the second case the Median>Mean so we can conclude that the distribution would be approximately skwewed to the left.

8 0
3 years ago
What’s 6r+3=4r-11?????
Sauron [17]

Answer:

-7

Step-by-step explanation:

6r+3=4r-11

distributive property

6r-4r=-11-3

2r=-14

r=-7

8 0
3 years ago
Read 2 more answers
Michael makes a deposit of $800 in his bank account. Two years later, he had a total of $832 in his account. What is the interes
harina [27]
It is a 2:50 since intrest in a month
6 0
3 years ago
Which measurement would not be used to calculate the area of this triangle?
bonufazy [111]

Answer:

Im not sure but i think 2 is the answer

Step-by-step explanation:

5 0
4 years ago
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