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tatyana61 [14]
3 years ago
11

How to estimate 586-321 two different ways

Mathematics
1 answer:
zvonat [6]3 years ago
6 0
You can either do it to the nearest ten or the nearest hundred 

(nearest ten) 590 - 320  =  270

(nearest hundred) 600 - 300 = 300 
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John and alisha randomly met at the local movie theater. what will affect their first impression of each other?
Vesna [10]
How they dress, What movie they buy, and what snacks you buy
7 0
3 years ago
In the equation y = 39x + 50represents the number of people at a holiday dinner and y represents the total cost of
kkurt [141]

Answer:

The correct answer is - 12.

Step-by-step explanation:

Given:

Total number of people = y = 39x+50

Total amount spent y = 518

Solution:

The equation for the number of people who attended the dinner

y = 39x+50

The cost of dinner is equally divided by number of people =

then, 518 = y

placing value, 518 = 39x+50

x = (518-50)/39

= 468/39

= 12

Then number of people attended the dinner = 12

6 0
3 years ago
There are two formulae you can use to calculate the number of apple trees and the number of conifer
Leno4ka [110]

9514 1404 393

Answer:

  n = 8

Step-by-step explanation:

"By inspection" is an appropriate method.

We are asked to compare the expressions

  n·n

  8·n

and find the value(s) of n that makes them equal. <em>By inspection</em>, we see that n=8 will make these expressions equal. We also know that both expressions will be zero when n=0.

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More formally, we could write ...

  n^2 = 8n . . . . the two formulas give the same value

  n^2 -8n = 0 . . . . rearrange to standard form

  n(n -8) = 0 . . . . . factor

Using the zero product rule, we know the solutions will be the values of n that make the factors zero. Those values are ...

  n = 0 . . . . . makes the factor n = 0

  n = 8 . . . . . makes the factor (n-8) = 0

Generally, we're not interested in "trivial" solutions (n=0), so the only value of n that is of interest is n = 8.

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A lot of times, I find a graphing calculator to be a quick and easy way to find function argument values that make expressions equal.

5 0
3 years ago
Find each of the numbers below.
iren [92.7K]

Answer:

opposite of -7 is 7 the oppositeof 3 is -3 oppositeof -4 is 4

8 0
3 years ago
Write a linear equation in standard form for the line that goes through (-14,-5) and (4,3)
olganol [36]

Answer:

I would say that the answer is A. -4x + 9y = 11

Hope it helps, sry if it's wrong. It shouldn't be though.

8 0
3 years ago
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