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Blababa [14]
3 years ago
9

Find the common difference of the arithmetic sequence

Mathematics
2 answers:
nexus9112 [7]3 years ago
5 0

Answer:

The common difference is 1/5.

Step-by-step explanation:

Each new term is equal to the previous term, plus the common difference 1/5.

-2 + 1/5 = -10/5 + 1/5 = -9/5  = -1 4/5, and so on.

mojhsa [17]3 years ago
5 0

Answer:

Step-by-step explanation:

c.d.=-1\frac{4}{5} -(-2)\\=-\frac{9}{5} +2\\=\frac{-9+10}{5} \\=\frac{1}{5}

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Mahesh charges $21.50 a month for cutting his neighbor's lawn. How much money will he make in a year? A. $258.00 B. $215.00 C. $
Diano4ka-milaya [45]

Answer:

A. $258.00

Step-by-step explanation:

There are 12 months in a year so you will simply have to multiply $21.50 by 12


21.50 x 12


258

6 0
3 years ago
15 points PLEASE HELP!!!<br><br> Factor the following equation:<br> <img src="https://tex.z-dn.net/?f=x%5E2%2B3x%2B4" id="TexFor
ycow [4]

Step-by-step explanation:

x²+3x+4=0

x²+3x_ +2=0

x²+3x_2=-2

x²+3x_2+(3x_4)²=-2+(3/4)²

(x+3/4) =-2+9_16

x+3_4 = -32+9__16 =√-23_6

x+3_4 =-√23_4

x = -3+√-23___4

x = -3- √-23___4 , -3+√-23___4 //

Mark my answer as branlist answer

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5 0
3 years ago
Johnny answered 40 questions correctly on his 60 question test. What percent of questions did Johnny answer correctly?
Rzqust [24]

Answer:

66.6%

Step-by-step explanation:

40/60=4/6=2/3

2/3=66.6

4 0
3 years ago
Read 2 more answers
Determine whether the following is an example of a sampling error or a non-sampling error. 12% of all people are left handed. A
const2013 [10]

Answer:

Sampling Error

Step-by-step explanation:

When the researcher randomly selected 200 people, he is creating an sample or subset from the population, that would be all the people in the earth. The error obtained was product of the fact that the analysis he made was estimated from the sample and not the whole population. There is no other mentioned factor that could cause an error, so the answer would be a sampling Error.

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3 years ago
How to find area of this kite?
Y_Kistochka [10]
You can seperate it into two triangles then take the area of each of those (a=1/2bh) and add each triangles area together
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