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Ilia_Sergeevich [38]
3 years ago
12

Could you tell me the answer to 30x40

Mathematics
1 answer:
Feliz [49]3 years ago
8 0

Answer:

30 X 40 is 1,200

Step-by-step explanation:

I used a calculator lol

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A) choose the linear model that passes through the most data points on the scatterplot.
irina1246 [14]
Answer: b

Explanation:
The line of best fit to a scattergram is obtained in linear regression analysis by minimizing the sum of the squared errors.
For example, in the diagram shown below, there are n data points in the scattergram.
The error for the i-th data point is e_{i}.
The coefficients (a and b) for the line of best fit are determined using calculus, to minimize \sum_{i=1}^{n} e_{i}^{2}.

8 0
3 years ago
Two number cubes are rolled. What is the probability that the sum of the numbers rolled is either 4 or 8?
sveticcg [70]

There are 6 numbers on each die.

The total number of out comes is 6 x 6 = 36.


To get a sum of 4, the combinations are: 1 & 3, 2 & 2 or 3 & 1.

To get a sum of 8, the combinations are: 1 & 7, 2 & 6, 3 & 5, 4 & 4, 7 & 1, 6 & 2, 5 & 3


The total of those combinations are:  3  + 7 = 10 total combinations of a sum of either 4 or 8.


The probability of either is 10/36, which can be reduced to 5/18.

8 0
3 years ago
Just need the last row !
fgiga [73]

Answer:

I am so confused Sorry need points.

Step-by-step explanation:

4 0
2 years ago
2<br>It costs £0.75 to buy 5 bananas.<br>Work out how much it would cost to buy 7 bananas.​
Sophie [7]
£.075/5= £0.15
0.15x7= £1.05

7 bananas is £1.05
3 0
3 years ago
True or false: A) Any two different points must be collinear. B) Four points can be collinear. C) Three or more points must be c
Tasya [4]

Answer:

A) True

B) True

C) False

Step-by-step explanation:

Knowing that the collinear points are all those that pass through a line, we have:

A) given two points they form a line, by themselves they are collinear  (graph 1)

B) Can be or not can be (graph 2)

C) Can be not must be (graph 3)

8 0
3 years ago
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