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DanielleElmas [232]
3 years ago
7

Mia is 6.99120 × 10^6 minutes old. Convert her age to more appropriate units using years, months, and days. Assume a year has 36

5 days and a month has 30 days.
Mathematics
1 answer:
Ivan3 years ago
8 0

Answer:13years 7months 17 days

Step-by-step explanation:

1hr--->60min

116520hrs--->6.99120*10^6

convert hrs to days by dividing by 24

so you have 4855 days

divide it by 30 to get months which will be =161.833333 divide it by 12 to get yrs so you will get 13.48611111 then go ahead and subtract it to get the 13 years 7 months and 17 days

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One half Of a certain even integer plus One fifth Of The next consecutive even interger equals 48. Find The two intergers.
yaroslaw [1]
The integers are 68 and 70.

One half of 68 is 34.
One fifth of 70 is 14.
34 + 14 = 48 and 68 and 70 are consecutive even integers.
8 0
3 years ago
Two different simple random samples are drawn from two different populations. The first sample consists of 20 people with 9 havi
QveST [7]

Answer: (-0.48,\ -0.04)

Step-by-step explanation:

The confidence interval for the difference of two population proportion is given by :-

(p_1-p_2)\pm z_{\alpha/2}\sqrt{\dfrac{p_1(1-p_1)}{n_1}+\dfrac{p_2(1-p_2)}{n_2}}

Given : The first sample consists of 20 people with 9 having a common attribute.

Here, n_1=20 , p_1=\dfrac{9}{20}=0.45

n_2=2100 , p_1=\dfrac{1492 }{2100}\approx0.71

Significance level : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

A 95% confidence interval for the difference of two population proportion will be :-

(0.45-0.71)\pm z_{\alpha/2}\sqrt{\dfrac{0.45(1-0.45)}{20}+\dfrac{0.71(1-0.71)}{2100}}\\\\\approx -0.26\pm0.22\\\\=(-0.26-0.22,-0.26+0.22)\\\\=(-0.48,\ -0.04)

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4 years ago
Meg described four triangles as shown below: Triangle P: All sides have length 7 cm. Triangle Q: Two angles measure 55°. Triangl
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Triangle P isn't unique because all sides are equal and all interior angles are equal. 
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sergij07 [2.7K]

Answer:

NO

Step-by-step explanation:

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