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nlexa [21]
3 years ago
8

7+5+3+... + (-287) =

Mathematics
2 answers:
romanna [79]3 years ago
8 0

Answer:

-302

Step-by-step explanation:

statuscvo [17]3 years ago
8 0
The answer is should be -302
You might be interested in
Find the distance between each set of points. Round to the nearest tenth, when necessary. (-3, 2) and (1, -6)
vovangra [49]

Answer:

<h2>The answer is 8.9 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-3, 2) and (1, -6)

The distance between them is

d =   \sqrt{ ({ - 3 - 1})^{2}  +  ({2 + 6})^{2} }   \\  =  \sqrt{ ({ - 4})^{2} +  {8}^{2}  }  \\  =  \sqrt{16 + 64}  \\  =  \sqrt{80}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 4 \sqrt{5}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 8.9442719...

We have the final answer as

8.9 units to the nearest tenth

Hope this helps you

6 0
2 years ago
How do i solve this.?
alexgriva [62]
4x + 10 = -26
-10 -10

4x = -36

Then -36 divided by 4

X= -9 -9 is the answer.
7 0
3 years ago
0.0000981 in scientific notation
Pachacha [2.7K]
9.81 times 10 to the -5th power
4 0
3 years ago
Read 2 more answers
Find the critical value t a/2 needed to construct a confidence interval of the given level with the given sample size. level 95%
stepan [7]
Α = 1- (95/100) = 1-0.95 = 0.05

p = 1- α/2 = 1- 0.05/2 = 1-0.025 = 0.975

Degrees of freedom, df = Sample size -1 = 11-1 = 10

From t-tables, with cumulative probability pf 0.975 and df of 10,
Critical value = 2.228
7 0
3 years ago
SOMEONE PLEASE EXPLAIN THIS TO ME!!!! Ty! (Problems like 8-15)!!!!
Vilka [71]
Your suppose to round the percent!!!!!!
3 0
3 years ago
Read 2 more answers
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