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3 years ago

Please someone help me match these

Mathematics

1 answer:

Alex17521 [72]3 years ago

6 0

Answer:

1 Gallon is 2 liters. 1 inch is 2 centimeters. and 5 pounds is 2 kilograms.

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Use differences to fins a pattern in the sequence 0,12,72,240,598,1250,2322

sergiy2304 [10]

Answer:

8th term is 3980.

Step-by-step explanation:

0 12 72 240 598 1250 2322

Differences in successive terms

are:

12 60 168 358 652 1072

48 108 190 294 420

60 82 104 126

22 22 22

So calculating the 8th term , working from the last line to the first:

126 + 22 = 148

148 + 420 = 568

1072 + 568 = 1658

Finally the 8th number = 2322 + 1658 = 3980

7 0

2 years ago

Find the cost per pound of a coffee mixture made from 6 lb of coffee that costs $9.70 per pound and 12 lb of coffee that costs $

avanturin [10]

Answer:

First one: about $1.62 per pound

Second One: about $0.46 per pound

Step-by-step explanation:

9.70/6=1.62

5.50/12=0.46

5 0

3 years ago

assume the age of night school students is normally distributed. A simple random sample of 24 night school students had an avera

aleksley [76]

Let
n = number of data
s = standard deviation (sample)
S = standard deviation (population)

The working equations is

$\frac{(n-1) s^{2} }{ x^{2}_{right} } \ \textless \ S^{2} \ \textless \ \frac{(n-1) s^{2} }{ x^{2}_{left} }$

To find $x^{2}_{right}$ , : (1 - 0.90)/2 = 0.05

To find $x^{2}_{left}$ , : 1 - 0.05 = 0.95

Degrees of freedom = n-1 = 24 - 1 = 23

This is shown in the figure attached. Since there is no row for df=23, we interpolate. Thus,

$x^{2}_{left} = 13.093$

$x^{2}_{right} = 35.17$

Substitute all values,

$\frac{(24-1) 5.6^{2} }{ 35.17} \ \textless \ S^{2} \ \textless \ \frac{(24-1) 5.6^{2} }{ 13.093} }$

Thus the answer is,

$20.51\ \textless \ S^{2} \ \textless \ 55.09$

5 0

3 years ago

(a) The weight of a package affects the cost to send that package through the mail.

skelet666 [1.2K]

Answer:

<u>cost to mail package</u>

Step-by-step explanation:

the weight is not dependant on the cost to mail the package

the cost depends on how much the package weighs.

7 0

3 years ago

A cube has a side length of 5 inches.

natulia [17]

Answer:

125

Step-by-step explanation:

To find volume you use length x width x height. All sides of a cube or square with always be the same so just use the equation 5 x 5 x 5 to get the answer.

3 0

4 years ago