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2 years ago

Will give, Branliest.Thanks,:)

Mathematics

2 answers:

Dmitriy789 [7]2 years ago

8 0

Answer:

(look at this equation) y=3x+2

Step-by-step explanation:

1. 2y-6x=4

2. Add -6x over to the other side

3. Subtract 2 from both sides

4. Look and see which points according to the equation that I answered for you.

netineya [11]2 years ago

5 0

Answer:

Then fill the table with the values

x | 0 | 1 | 2 | 4 |

y | 2 | 5 | 8 | 11 |

And plot the graph

Step-by-step explanation:

2y -6x = 4

2y = 4+6x

Using (0,1,2,3) as x values

For x= 0,

2y = 4+6x = 4+6(0)= 4+0= 4

y = 4/2= 2

For x=1

2y = 4+6x=4+6(1)= 4+6= 10

y = 10/2= 5

For x = 2

2y = 4+6x=4+6(2)= 4+12= 16

y = 16/2= 8

For x= 3

2y = 4+6x=4+6(3)= 4+18= 22

y= 22/2= 11

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A sample with a mean of m = 40 and a variance of s2 = 20 has an estimated standard error of 1 point. how many scores are in the

tamaranim1 [39]

The correct option is 20.

The score found for the sample is 20.

<h3>What is Standard error?</h3>

A standard error is a statistic that is applied to test the distribution of data. This metric is comparable to standard deviation. We can calculate the standard error if we know the sample size & standard deviation. It assesses the mean's precision.

Now, according to the question;

Sample mean; $\bar{x}=40$

Sample variance; $s^{2}=20$

Thus, $s=\sqrt{20}=4.47$

Standard error SE = 1

The amount of scores with in sample must be determined here.

The standard error formula is as follows:

$S E=\frac{s}{\sqrt{n}}$

We might rearrange the formula as follows:

$\begin{aligned}\sqrt{n} &=\frac{s}{S E} \\n &=\left(\frac{s}{S E}\right)^{2}\end{aligned}$

Substituting the values;

$\begin{aligned}&n=\left(\frac{4.47}{1}\right)^{2} \\&n=19.98\end{aligned}$

The sample's number of scores n = 19.98 = 20 (round up)

Therefore, the scores are in the sample is 20.

To know more about the Standard error, here

brainly.com/question/14467769

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3 0

1 year ago

A rectangle has a legnth of 12 inches less than 6 times its width. If the area of the rectangle is 3744 square inches, find the

elena-14-01-66 [18.8K]

Length = 6x - 12

Width = x

Area of a rectangle:

A = length x width

3744 = (x)(6x - 12)

3744 = 6x^2 - 12x

6x^2 - 12x - 3744 = 0

Use the quadratic equation to solve for x. The two solutions end up being 26 and -24. Since length is a scalar measurement, it can only be positive. Thus, the value of x is equal to 26 inches.

Width = 26 inches

Length = 6(26) - 12 = 144 inches

Hope this helps!! :)

6 0

2 years ago

What is the volume of a rectangular prism with length 12 ft, height 14 ft, and width 17 ft? V=lwh

Slav-nsk [51]

Answer: the volume of a rectangular prisim with lenths (12ft , height 14 ft , and width 17 ft ) is

V=2856ft³

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2 years ago

At the beginning of 2012 Jacobs savings account had 675.20. He deposited 40 each month and earned 66.50 interest for the year. W

mamaluj [8]

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5 0

3 years ago

john and ted have a reputation of being late to events. If john is late 20% of the time and ted is late 40% of the time what is

oee [108]

Answer:

The probability that they will both be on time is 12/25.

Step-by-step explanation:

John is late 20% of the time.

So, he is prompt 80% of the time.

Ted is late 40% of the time.

So, he is prompt 60% of the time.

Since, both the events are independent,

p(John be on time ∩ Ted be on time) = p(John be on time) × p(Ted be on time)

$= \frac{80}{100}$ × $\frac{60}{100}$

= 0.80 × 0.60

= 0.48 or 48%

$=\frac{12}{25}$

Hence, the probability that they will both be on time is 12/25.

3 0

2 years ago

Will give, Branliest.Thanks,:)​

Will give, Branliest.Thanks,:)