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2 years ago

12

Hello there a bot on here that puts a link to a virus it looks like this DONT DOWNLOAD IT ITS A VIRUS it could also get your ip

so use a vpn if you want to use it

1 answer:

I am Lyosha [343]2 years ago

8 0

Exactly. I'm seeing it everywhere now. Keep reporting them, and NEVERRR download

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Figure ABCD is a kite. Find the<br> value of x.

julsineya [31]

Answer:

x=5

Step-by-step explanation:

i think you posted this question twice, but here it is:

in order for this figure to truly be a kite, AD and AB have to be equal.

So:

4x=x+15

now we must solve the equation:

3x=15

x=5

5 0

3 years ago

Veronica bought 20 bags of candy for a school dance the first 5 bags cost $1.79 each the rest of the bags cost $1.19 each how mu

Stella [2.4K]

Answer: Veronica spent $26.8

Explanation:

5 x $1.79= $8.95

15 x $1.19= $17.85

$8.95 + $17.85= $26.8

5 0

3 years ago

It is known that the population variance equals 484. With a .95 probability, the sample size that needs to be taken to estimate

Hitman42 [59]

Answer:

The minimum sample size is n = 75 so that the desired margin of error is 5 or less.

Step-by-step explanation:

We are given the following in the question:

Population variance = 484

Standard deviation =

$\sigma^2 = 484\\\sigma =\sqrt{484} = 22$

Confidence level = 0.95

Significance level = 0.05

Margin of error = 5

Formula:

Margin of error =

$E = z\times \dfrac{\sigma}{\sqrt{n}}\\\\n = (\dfrac{z\times \sigma}{E})^2$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting values, we get

$E\leq 5\\\\1.96\times \dfrac{22}{\sqrt{n}} \leq 5\\\\\sqrt{n} \geq 1.96\times \dfrac{22}{5}\\\\n \geq (1.96\times \dfrac{22}{5})^2\\\\n \geq 74.373$

Thus, the minimum sample size is n = 75 so that the desired margin of error is 5 or less.

3 0

2 years ago

Jerimiah can type 300 words in 1/5 of an hour. How many words can he type in 1 hour

Arada [10]

Answer:

1500 words

Step-by-step explanation:

300 times 5 equals 1500.

5 0

2 years ago

8 Vanesa wants to find the volume

deff fn [24]

Cubic inches. Think how small a lunchbox is.

3 0

2 years ago

Read 2 more answers