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3 years ago

Find the number that makes the ratio equivalent to 6:10. 60:

Mathematics

1 answer:

Mumz [18]3 years ago

5 0

Answer:

60;100

Step-by-step explanation:

Multiply 10 each side

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According to the National Institute of Health, about 37% of high school seniors have vaped in the past year. Suppose that a surv

Elodia [21]

Using the Central Limit Theorem, it is found that the mean of the sampling distribution of sample proportions is 0.37.

The Central Limit Theorem establishes that, for a proportion p in a sample of size n, the sampling distribution of sample proportions has:

Mean $\mu = p$ .

Standard error $s = \sqrt{\frac{p(1 - p)}{n}}$

For this problem, about 37% of high school seniors have vaped in the past year, hence $p = 0.37$ .

Then, the mean of the sampling distribution of sample proportions is 0.37.

For more on the Central Limit Theorem, you can check brainly.com/question/4086221

8 0

3 years ago

Solve the equation. 7-4(2w + 1) = 9w-49+ w) EEE. W= (Simplify your answer.)

tatiyna

$7 - 4(2w + 1) = 9w - 49 + w \\ 7 - 8w - 4 = 10w - 49 \\ 10w + 8w = 7 - 4 + 49 \\ 18w = 52 \\ w = \frac{52}{18} \\ w= 2.88$

I hope I helped you^_^

8 0

3 years ago

Josie has 43 animal books and 29 art books. she puts all the books on 8 shelves. She puts the same number of books on each shelf

LenKa [72]

Answer:

Step-by-step explanation:

4 0

2 years ago

NO LINKS! Please help me with this problem

Dafna11 [192]

Answer:

$\frac{x^2}{9}+\frac{y^2}{4}=1$

Step-by-step explanation:

So an ellipse can be expressed in two different but very similar forms:

Horizontal Major Axis:

$\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$

Vertical Major Axis:
$\frac{(x-h)^2}{b^2}+\frac{(y-k)^2}{a^2}=1$

In both equations the length of the major axis is "2a" and the length of the minor axis is "2b"

In the equation you provided, the major axis is horizontal, and the minor axis is vertical.

So looking at the horizontal length, you can see that it's 6, and since this ellipse has a horizontal major axis, that means 2a=6, which means a=3

Looking at the vertical length, you can see that it's 4, and since the ellipse has a vertical minor axis, that means 2b=4, which means b=2

The last thing to note is that the center of an ellipse is (h, k) in the equation, and since here the center is (0, 0) it's (x-0)^2 and (y-0)^2 in the denominator which is just x^2 and y^2

So let's plug in the values into the equation:

$\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$

(h, k) = (0, 0)

a = 3

b = 2

$\frac{x^2}{3^2}+\frac{y^2}{2^2}=1\\\\\frac{x^2}{9}+\frac{y^2}{4}=1$