What is 1.4 as a decimal?

Answers

Answer 1

Answer: You meant 1.4 as a fraction (1.4 is already a decimal)

1.4 as a fraction is one and two fifths, or 1 2/5 (or 7/5).

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What is the slope of the line that contains the points (3, 4) and (1, 2)? A. 1 B. –1 C. D.

Answers

if you have your points (3,4) (1,2) x=3 and 1 and y=4 and 2 so find a point on the x or y line and go up and over till your line crosses another point and that will give you your slope

Algebra question What is the solution to the following system?

(3, 1, 0)
(0, 1, 0)
(2, 1, 0)
(–2, 1, 0)

Answers

The solution to the following system is $(2,1,0)$ .

What is Algebra?

Algebra is defined as the study of mathematical symbols and in which letters and symbols are used to represent numbers.

We have,

$3x+3y+6z=9$ $(i)$

$x+3y+2z=5$ $(ii)$

$3x+12y+12z=18$ $(iii)$

To find the solution to the above give algebraic equations,

We have to find values of $x,y,z$ .

So,

We will be putting $z=0$ in equation $(i)$ ,

$3x+3y+6(0)=9$

$3x+3y=9$ $(iv)$

Now,

We will be putting $z=0$ in equation $(ii)$ ,

$x+3y+2(0)=5$

$x+3y=5$

$x=5-3y$ $(v)$

Using equation $(iv)$ & $(v)$ ,

We get,

$3(5-3y) +3y=9$

$15-9y+3y=9$

$-6y=-6$

$y=1$ ,

Now we have value of $y=1$ , putting this value in equation $(v)$ ,

$x=5-3(1)$

$x=2$ ,

Hence, we can say that option $(2,1,0)$ is the correct answer.

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Answer:

C.(2,1,0)

Step-by-step explanation:

on edg

A study uses a sample of 200 college students to learn about the number of hours they studied for their final exams. The mean number of hours was 136 and the standard deviation was 14 hours. If this data falls under a normal distribution or bell curve, which of the following statements is NOT true?The number of students that studied 122 or fewer hours was about 32.

The number of students that studied 150 or fewer hours was about 168.

The majority of students studied between 122 and 150 hours.

No one studied less than 108 hours.

Answers

Answer:

No one Studied less than 108 hours

Step-by-step explanation:

This is the answer because there were about 5 people that did study less than 108 hours! Hope this makes it easier to read

$\displaystyle\mathbb P(X\le122)=\mathbb P\left((X-136)/(14)\le(122-136)/(14)\right)=\mathbb P(Z\le-1)\approx0.1587$
which means $0.1587*200\approx32$ studied 122 or fewer hours.

$\displaystyle\mathbb P(X\le150)=\mathbb P\left((X-136)/(14)\le(150-136)/(14)\right)=\mathbb P(Z\le1)\approx0.8413$
which means $0.8413*200\approx168$ studied 150 or fewer hours.

So, neither of the first two are false.

Depending on your definition of "majority", you could also eliminate the third option. From the above calculations, you know that students that studied between 122 and 150 hours fall within 1 standard deviation of the mean, which corresponds to approximately 65% of the student population. "Majority" is often taken to mean "more than 50%", so this is also true.

This leaves us with the last option. For fun, let's compute that probability.
$\displaystyle\mathbb P(X<108)=\mathbb P\left((X-136)/(14)<(108-136)/(14)\right)=\mathbb P(Z<-2)\approx0.0228$
which means $0.0228*200\approx5$ students studied less than 108 hours.

Draw the line AB and AC. Are the lines the same? Explain Draw the line segment AC and BD are the segments the same? Explain

Draw the rays CA and CB. Are the rays the same? Explain

Answers

Answer:

No they are not the same because.....

Step-by-step explanation:

How many significant figures does the number 5280 FEET have? A) 2 B) 3 C) 4 D) 5

Answers

Answer:

The correct answer is B.

What is 15/8 as a mixed number

Answers

It would be equal to 1 7/8

1 and 3/4 would be the answer :)

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