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sergiy2304 [10]
2 years ago
9

Solving the difference between -5 and 2

Mathematics
1 answer:
prisoha [69]2 years ago
4 0

Answer:

7

Step-by-step explanation:

if you add 7 to -5 you get 2

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Need help working out
Andru [333]
 5 * 1/2 - 8 ( 3/4 * 1/2 + 1/2 )
    5/2    -  8 (      3/8    + 1/2 ) 
      5/2   - 8  (         7/8 )
      5/2    -       56/8
               -36/8 = -9/2 
 A is the answer
5 0
3 years ago
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3 years ago
help pls, im in a younger grade but my teacher wants me to do ap highschool senior stuff, i need help​
emmainna [20.7K]
<h3>Answer:  318</h3>

===============================================

Explanation:

Refer to the diagram below. Notice how I've formed 3 rectangles underneath the curve. The term "right Riemann sum" refers to the idea of making each rectangle's upper right corner be on the curve. The upper left corner spills over top, meaning we have an over-estimate going on here.

Simply find the area of each rectangle, and then add up those sub areas. That will get you to the final answer.

Note how we go from x = -1 to x = 5, which is a distance of 5-(-1) = 6 units. Split three ways and each interval is 6/3 = 2 units wide.

If we started at x = -1, then increasing 2 units leads us to x = -1+2 = 1 as the first x input we compute into f(x). This is the height of the first rectangle.

Then 1+2 = 3 is the next input, meaning f(3) is the height of the next rectangle, and so on. We keep going until all rectangles are accounted for.

----------------------

You should have these rectangle heights:

  • 3
  • 29
  • 127

when moving from left to right.

They add up to 3+29+127 = 159. Double that to get to the final answer of 2*159 = 318

The formula I'm using is

\Delta x*(f(x_1) + f(x_2) + \dots f(x_n))

where x1,x2,... represents the values 1, 3, and 5. These are the x values plugged into the function to get the corresponding heights (3, 29, 127)

7 0
2 years ago
Is 70 thousand written in standard form or word for? Explain
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- Question -

Is 70 thousand written in standard form or word form? Explain.

- Answer-

Neither

- Explanation -

If it were written in standard form, it would have been written like this: 70,000

If it were written in word for it would have been written like this: Seventy-Thousand

3 0
3 years ago
Which equation represents the formula for the general term an, of an arithmetic sequence with a first term of 8 and a common dif
kykrilka [37]
The formula for the general term of an arithmetic sequence with first term, a, and a common difference, d, is given by
A_n=a+(n-1)d

Given that the first term of an arithmetic sequence is 8 and the common difference of 0.3, then the equation that represents the formula for the general term of the arithmetic sequence is given by
A_n=8+(n-1)0.3=8+0.3n-0.3=7.7+3.3n
8 0
3 years ago
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