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Scilla [17]
3 years ago
5

What are some situations in which estimating a sum or difference is useful? Why is it useful in these situations?

Mathematics
2 answers:
Setler [38]3 years ago
4 0
What exactly are these situations can you tell me and maybe I could help you out.
Ahat [919]3 years ago
4 0
Suppose I am in a store buying a shirt, a tie, and slacks. Each of the prices ends in 99 cents, and it is hard to add the exact amounts in my head. I can make an estimate, and decide if this is too much to spend or not.
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Find the rate of change
Zina [86]

“Rate of change” means the same as “slope.”

In algebra, we use the word "slope" to describe how steep a line

is and slope can be found using the ratio rise/run between

any two points that are on that line.

Starting from the point that has the coordinate (-1, -1),

we rise go 1 unit down so our rise is -1 and run 3 units.

So our slope or rise/run is -1/3.

8 0
3 years ago
Six out of 10 kids prefer swimming to hiking. How many kids out of 100 prefer swimming?
eimsori [14]
6/10 = 0.6

0.6 × 100 = 60

Answer = B.60

~Aamira~

~Hope this helped~
8 0
3 years ago
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What is the angle formed by the minute and hour hands of a clock when it is 6:00
nlexa [21]

the angle would be 180

7 0
3 years ago
Find the reciprocal of 3/5
Kisachek [45]
The reciprocal of 3/5 is 5/3.

To get the reciprocal of a fraction, just turn it upside down.

A fraction has a numerator, top number, and a denominator, bottom number.
To get the reciprocal of a fraction, just swap over the numerator and denominator.

If whole numbers, to get the reciprocal of whole number, just divide the whole number by 1 to make it into a fraction, then get the reciprocal of that fraction.
8 0
3 years ago
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The time (t) it takes to clean an office building is directly related to the number of people (p) working. Which of the followin
Inessa [10]

Answer:

The time (t) it takes to clean an office building is <em><u>directly</u></em> <em><u>related</u></em> to the number of people (p) working.

t is proportional to p

t = kp \\  \boxed{\red{\frac{t}{p}  = k}}

3 0
3 years ago
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