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Mademuasel [1]
3 years ago
5

C) If Sam only has $25. how much fuel can be bought for $1.40/L?

Mathematics
2 answers:
Irina-Kira [14]3 years ago
8 0
17.85

explanation:
25 ÷1.40= 17.85714285714286
True [87]3 years ago
7 0

Answer:

17.86 liters of fuels

Step-by-step explanation:

25 / 1.40 = 17.86

Or 17 if you cannot buy for less than $1.40

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For a sample of eight​ bears, researchers measured the distances around the​ bears' chests and weighed the bears. Minitab was us
Yakvenalex [24]

Answer:

There is a linear correlation between the chest size and weight

Proportion of the variation in weight can be explained by the linear relationship between weight and chest​ size is 0.006724 .

Step-by-step explanation:

Null Hypothesis: H_0= There is no linear correlation between the chest size and weight

Alternative Hypothesis : H_a=There is a linear correlation between the chest size and weight

The value of the linear correlation coefficient is r=0.882.

n = 8

Formula : t=\frac{r\sqrt{n-2}}{\sqrt{1-r^2}}

t=\frac{0.882\sqrt{8-2}}{\sqrt{1-(0.882)^2}}

t=4.584

Degree of freedom = n-1 = 8-1 = 7

α =0.05

so, p value is 2.365

t calculated > t critical

So, we reject the null hypothesis

So, There is a linear correlation between the chest size and weight

The proportion of the variation in weight can be explained by the linear relationship between weight and chest​ size = r^2 = (0.082)^2=0.006724

Hence proportion of the variation in weight can be explained by the linear relationship between weight and chest​ size is 0.006724 and There is a linear correlation between the chest size and weight

4 0
3 years ago
2.5+0.15p=0.4p what value of p makes the equation true?
kykrilka [37]

Answer:

x=10

Step-by-step explanation:

Rearrange to get p on one side

2.5=0.4p-0.15p

2.5=0.25p

Divide both sides by 0.25

2.5/0.25=x

x=10

5 0
3 years ago
Read 2 more answers
Regression and modeling with functions
Leto [7]
I used scatter plot graph in the insert graph function of excel and added a trend line that shows the equation of the line of best fit and the r. 

The line that can be applied in this function is linear with an equation of y = 3800.6x - 5223.6 and the regression is r² = 0.8925. The y intercept represents when the starting point of a line starts. It is a strong correlation since the value of r² that is equal to 0.8925 is close to 1. We can solve the value of the investment after 6 years using the equation above.

y = 3800.6x - 5223.6
y = 3800.6(6) - 5223.6
y = 17,580

5 0
3 years ago
2. You roll a single die number 1 to 6. What are the odds of rolling<br> number?<br> an ODD
son4ous [18]

Answer:

1/2

Step-by-step explanation:

There are three odd and three even numbers on the die which would make 3/6 and simplified it is 1/2.

4 0
3 years ago
Read 2 more answers
Please help me there due tonight!!! All help is appreciated.
Sveta_85 [38]

Answer:

1. 160cm²

2. 176.25cm²

3. 33.75ft²

Step-by-step explanation:

Area triangle = (1/2)(base)(height)

1)

total area = 2(area small triangle) + 2(area big triangle)

= 2(0.5(8)(9))+2(0.5(8)(11))

=72+88=160cm²

2)

total area = 2(area small triangle) + 2(area big triangle)

= 2(0.5(7.5)(7.5))+2(0.5(7.5)(16))

= 56.25 + 120 = 176.25cm²

3)

total area = 2(area small triangle) + 2(area big triangle)

= 2(0.5(4.5)(2.5))+2(0.5(4.5)(5))

= 11.25+22.5 = 33.75ft²

4 0
3 years ago
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