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3 years ago

A number, x, is 4 times another number, y. The difference between the number is 18. what is the value of the larger number?

2 answers:

8 0

The wording to this question is a little weird, but I think the answer is 6. I kind of just substituted numbers in the problem, but I would double check

never [62]3 years ago

3 0

24
6*4 is 24 6 is the smaller

<span>A number, (24), is 4 times another number, (6). The difference between the number is 18.(24-18=6) what is the value of the larger number?</span>

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Ryan has a rope that is 3 yards long. Her brother gave her another rope that is 4 yards long. She needs 20 feet of rope to play

mr Goodwill [35]

Answer:

Yes

Step-by-step explanation:

7 yards of rope is the same as 21 feet of rope. The required amount of rope is 20, meaning that it is possible to play double dutch.

6 0

2 years ago

Solve for x. Round to the nearest tenth of a degree, if necessary.

MissTica

Answer:

x ≈ 54.8°

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan x = $\frac{opposite}{adjacent}$ = $\frac{PQ}{QR}$ = $\frac{7.1}{5}$ , then

x = $tan^{-1}$ ( $\frac{7.1}{5}$ ) ≈ 54.8° ( to the nearest tenth )

4 0

2 years ago

63/40 divided by 70/44

const2013 [10]

Answer:

0.90

Step-by-step explanation:

I entered it onto my calculator, but if you'd like an explanation as to how just ask.

3 0

4 years ago

Read 2 more answers

On a 10-item test, three students in Professor Hsin's advanced chemistry seminar received scores of 2, 5, and 8, respectively. F

Inessa [10]

Answer:

For this distribution of test scores, the standard deviation is equal to the square root of 9

D) 9

Step-by-step explanation:

We need to know the standard deviation formula:

$S=\sqrt{\frac{sum(x-Am)^2}{n-1} }$ (1)

Where:

S: Standard deviation

sum: Summation

x: Sample values

Am: Arithmetic mean

n: Number of terms, in this case 3

Now, we need to know the arithmetic mean of the sample values: 2, 5 and 8

$Am=\frac{2+5+8}{3} = 5$

To know the standard deviation we need to have the summation of each term minus the arithmetic mean squared.

$(x-Am)^2$ of each term:

$(2-5)^2=9\\(5-5)^2=0\\(8-5)^2=9$

Now, we can find the standard deviation:

$S=\sqrt{\frac{9+0+9}{3-1} } \\S=\sqrt{\frac{18}{2} } \\S=\sqrt{9}$

The standard deviation is equal to the square root of 9

4 0

3 years ago

Read 2 more answers

Centro en (4,-1) y pasa por el punto (-1,3)

maks197457 [2]

Answer:

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Step-by-step explanation:

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2 years ago