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il63 [147K]
3 years ago
12

A function’s graph may include solutions that do not appear in its table values.

Mathematics
1 answer:
VladimirAG [237]3 years ago
6 0
The answer is A. True
if the graphs data is linear
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Use the value of the linear correlation coefficient to calculate the coefficient of determination. What does this tell you about
LenKa [72]

Answer:

Coefficient of determination = 0.149769  

Step-by-step explanation:

We are given the following in the question:

Coefficient of correlation, r = -0.387

We have to find the coefficient of determination.

Coefficient of determination =

r^2 = (-0.387)^2 = 0.149769 = 14.98\%

Coefficient of determination:

  • It tells us about the variation explained in the model.
  • This correlation of determination tells that 14.98% of the variation is explained in the model that is we can say that the independent variable explains 14.98% changes or prediction in the dependent variable.
  • It ranges from 0 to 1 and a correlation of determination of 1 means that the dependent variable is 100% predicted by the independent variable.
  • Correlation of determination of 0 means that the dependent variable cannot be predicted by the independent variable.
5 0
3 years ago
100 goods are purchased at the rate of Rs 240.¼ of the goods are sold at the gain of 10%.At what percentage profit must the rest
skelet666 [1.2K]

Answer:

41.66%

Step-by-step explanation:

Total profit we have to gain =25/100×240 =60

Cost of one item = 240/100 =2.40

Also given that 1/4 of total good are sold with 10% profit which mean profit =\frac{10}{100}\frac{1}{4}*100*2.4 =6.

(Here 1/4 of 100 is 25 and cost per unit is 2.4)

Total money to be recovered from 75(100-25) items =60-6 =54

Let profit percentage to be charged on 54 items be p%.

Original cost =2.4×54 = 129.6

Profit amount =54 =129.6×p/100

 p =41.66% =percentage of profit on rest of the goods.

3 0
3 years ago
A gardener is planting two types of trees: Type A is 7 feet tall and grows at a rate of 2 inches per year. Type B is 2 feet tall
arsen [322]

Answer: it will take 0.33 years for the heights to be the same.

Step-by-step explanation:

Let x represent the number of years it will take for both trees to be the same height.

Type A is 7 feet tall and grows at a rate of 2 inches per year. This means that the height of the tree after x years would be

2x + 7

Type B is 2 feet tall and grows at a rate of 17 inches per year. This means that the height of the tree after x years would be

17x + 2

For the heights to be the same, the number of years would be

17x + 2 = 2x + 7

17x - 2x = 7 - 2

15x = 5

x = 5/15

x = 0.33 years

4 0
4 years ago
What is the rule for this?​
Papessa [141]

Answer:

what??

Step-by-step explanation:

4 0
3 years ago
What is the £ to € exchange rate
pashok25 [27]

Answer:

currently 1 £ = 1.10174 €

4 0
3 years ago
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