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lorasvet [3.4K]
3 years ago
13

What must the length of segment AD be for the quadrilateral to be a parallelogram? 8 units 16 units 31 units 62 units

Mathematics
2 answers:
Deffense [45]3 years ago
5 0

Answer:

the answer is C. 31 units

I just did the assignment

Colt1911 [192]3 years ago
4 0

Answer:31

Step-by-step explanation:

I got it right

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What is the lowest common denominator of the following set of fractions: 1/6 , 13/27 , 4/5 , 3/10 , 2/5 ?
Serga [27]

Answer:

LCD = 270

Equivalent Fractions with the LCD

1/6 = 45/270

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4/5 = 216/270

3/10 = 81/270

2/5 = 108/270

3 0
2 years ago
A car can travel 30 miles on a gallon of gas and had a 20 gallon gas tank. Let g be the number of gallons of gas the car has in
Fudgin [204]

Answer:

The domain is the number of gallons and the range is the distance traveled.

Since the car can travel 30 miles one gallon of gas, we multiply by 12 to get the distance the car can travel in 12 gallons of gas.


5 0
2 years ago
Find the z-score such as 88% of the area under the normal curve is to the left of the z-score
jok3333 [9.3K]
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6 0
3 years ago
1. A new brand of hot dog claims to have a lower sodium content than the leading brand.
kherson [118]

Answer:

(a) Population mean = 314.5mg

(b) Margin of error = 21.281mg

(c) No, 350mg is not a plausible value

The new brand of hot dog has a lower sodium content on average than the leading brand

(d) Yes

Step-by-step explanation:

(a) Population mean = (370+326+322+297+326+289+293+264+327+331)/10 = 3145/10 = 314.5mg

(b) Margin of error = t×sd/√n

sd = 29.73, n = 10, degree of freedom = n-1 = 10-1 = 9

Assuming 95% confidence level

t-value corresponding to 9 degrees of freedom and 95% confidence level is 2.262

Margin of error = 2.262×29.73/√10 = 21.281mg

(c) No

Lower limit of new brand = 314.5 - 21.281 = 293.219mg

Upper limit = 314.5 + 21.281 = 335.781mg

The range of sodium content for the new brand of hot dog is between 293.219mg and 335.781mg which is lower than the leading brand (350mg)

(d) Margin of error = t×sd/√n

From the formula above, margin of error varies inversely as the square root of sample size

The smaller the sample size (n = 10) the larger the margin of error and the less accurate is the population mean

The larger the sample size (n = 40) the smaller the margin of error and the more accurate is the population mean

8 0
3 years ago
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