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Ksivusya [100]
4 years ago
8

The first term of an arithmetic sequence is 23 and the 37th term of the sequence is -49. What is the common difference of the se

quence
Mathematics
1 answer:
Leona [35]4 years ago
3 0

zorryyyyyyyyyyyyyyyyyttt

zorryyyyyyyyyyyyyyn es jdjdjejf7 j e y dn e jsnjeufy2jhqu1223626339u3 36xtjwjwkwjwn e jsj2k2ksi2u28jwh2jsjwjwjjwuhgwbajqk8wj37527kwbvwb2bwb2uu2j3j3j2u2uuw73jwjwjwjw. kwk

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Currently, you have made a
aleksandr82 [10.1K]

Answer:

84

Step-by-step explanation:

4 test grades with an average of 80 would have a total of 80x4=320.

75+83+78=236

320-236=84

5 0
4 years ago
Can someone please help me with this
solmaris [256]

Step-by-step explanation:

sum of all angles = 360

7x-4 = 360

7x= 364

x = 52

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angle k = 62

angle m = 100

8 0
3 years ago
Convert 56 miles in 4 hours to feet per second
Softa [21]
56 miles in 4 hours 
14 miles/hour 
14 *5280/3600 
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3 0
3 years ago
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Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the origin
Tema [17]

Answer:

s = 19.7

Step-by-step explanation:

First we need to calculate the mean x' of the sample as:

x'=\frac{55+18+39+20+20+44+69}{7}=37.9

We sum all the scores and divide them by the number of scores.

Then, the standard deviation s is calculated as:

s=\sqrt{\frac{(55-37.9)^2+(18-37.9)^2+(39-37.9)^2+(20-37.9)^2+(20-37.9)^2+(44-37.9)^2+(69-37.9)^2}{7-1} }\\ s=19.7

We square every score less the mean, sum every value, then divide that by the number of scores less 1 and finally, we calculate the square root.

So, the standard deviation of the sample is 19.7

8 0
4 years ago
Complete the place-value chart for the following number. Write its number name and tell the value of the underline digit.
daser333 [38]
Six and three-hundred-twenty four thousands. The Number 2 is in the Hundreths place value.
3 0
4 years ago
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