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Romashka-Z-Leto [24]
3 years ago
12

Ms.Cody needs 1 3/4 yards of fabric to make one pillow.How many yards of fabric will she needs to make 12 pillows

Mathematics
2 answers:
Hunter-Best [27]3 years ago
6 0

Answer:

oh 21

Step-by-step explanation:

1 times 12 is 12 and 3/4 times 12 is 36/4 =9. 9 plus 12 is 21

sasho [114]3 years ago
6 0

Answer:

21 yards.

Step-by-step explanation:

1 3/4 = 7/4.

7/4 * 12

= 84/4

= 21 yards.

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Answer:

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Step-by-step explanation:

Thank me later,or dont thank me at all

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3 years ago
A map has a scale of 1/2 inch to 4 miles. The shortest distance between two cities on the map measures 8 inches. If d represents
azamat
The answer would be C because for every 1 inch, would be 8 miles, so we then multiply the inches by 8 to get to 8 inches, so we then multiply the miles by 8 and we get 64 miles.

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5 0
3 years ago
Read 2 more answers
Suppose 12% of students are veterans. From a sample of 263 students, how unusual would it be to have less than 22 veterans?
kkurt [141]

Answer:

Yes, both np and n(1-p) are ≥ 10

Mean = 0.12 ; Standard deviation = 0.02004

Yes. There is a less than 5% chance of this happening by random variation. 0.034839

Step-by-step explanation:

Given that :

p = 12% = 0.12 ;

Sample size, n = 263

np = 263 * 0.12 = 31.56

n(1 - p) = 263(1 - 0.12) = 263 * 0.88 = 231.44

According to the central limit theorem, distribution of sample proportion approximately follow normal distribution with mean of p = 0.12 and standard deviation sqrt(p*(1 - p)/n) = sqrt (0.12 *0.88)/n = sqrt(0.0004015) = 0.02004

Z = (x - mean) / standard deviation

x = 22 / 263 = 0.08365

Z = (0.08365 - 0.12) / 0.02004

Z = −1.813872

Z = - 1.814

P(Z < −1.814) = 0.034839 (Z probability calculator)

Yes, it is unusual

0.034 < 0.05 (Hence, There is a less than 5% chance of this happening by random variation.

7 0
3 years ago
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stepladder [879]
I don’t know at all lol
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3 years ago
What is the volume rounded to the nearest whole number?
Semenov [28]

Answer:

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Step-by-step explanation:

This is a skewed pyramid, but that doesn't change the way you find the volume of the figure.

The formula for the volume of a pyramid is 1/3(b)(h)

Multiply 6 by 6.5 to get 39, then divide it by 3 to get 13 in³

3 0
3 years ago
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