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3 years ago

What is 0.279 times 53

Mathematics

1 answer:

sweet-ann [11.9K]3 years ago

4 0

The answer to this problem would be:
0.279 x 53 = 14.787

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Weather or not the truck can pass threw the bridge

ivolga24 [154]

I'm sorry, I don't know what is being asked.

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3 years ago

In 2008, there were 507 children in Arizona out of 32,601 who were diagnosed with Autism Spectrum Disorder (ASD) ("Autism and de

Svetach [21]

Answer:

The 99% confidence interval for the proportion of ASD in Arizona is (0.014, 0.018).

Step-by-step explanation:

The information provided is as follows:

$x=507\\n=32601\\\text{Confidence level }=99\%$

The sample proportion is:

$\hat p=\frac{x}{n}=\frac{507}{32601}=0.016$

The critical value of z for 99% confidence level is, z = 2.56.

Compute the 99% confidence interval for the proportion of ASD in Arizona as follows:

$CI=\hat p\pm z_{\alpha/2}\cdot\sqrt{\frac{\hat p(1-\hat p)}{n}}$

$=0.016\pm 2.58\cdot\sqrt{\frac{0.016(1-0.016)}{32601}}\\\\=0.016\pm 0.0018\\\\=(0.0142, 0.0178)\\\\\approx (0.014, 0.018)$

Thus, the 99% confidence interval for the proportion of ASD in Arizona is (0.014, 0.018).

6 0

3 years ago

20. Solve 3(5x − 4) < 15x. All Real Numbers x>-4 x<4 no solution

Natasha2012 [34]

Answer:

No solution

Step-by-step explanation:

$3(5x - 4) < 15x \\ 15x - 12 < 15x \\ 15x - 15x < 12 \\ 0 < 12$

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2 years ago

The sum of two numbers is 18. The sum of the greater number and twice the smaller number is 25. Find the numbers.

Rainbow [258]

Answer:

11 and 7

Step-by-step explanation:

let x be the bigger number and y the smaller

the sum of the two numbers is 18

x+y=18

x=18-y------i

the sum of the greater number and twice the smaller number is 25

x+2y=25----ii

substituting i in ii

18-y+2y=25

collecting like terms

y=25-18

y=7

subtitute for y in i to get x

x=18-y

x=18-7

x=11

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3 years ago

How many kilometers are in 2 miles?

olya-2409 [2.1K]

3.21 kilometers is the answer to this question.

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3 years ago