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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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what is an equation for the line that passes through the points (0,-4) (7,11) in slope-intercept form
fomenos

Answer:

y=15/7x-4

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(11-(-4))/(7-0)

m=(11+4)/7

m=15/7

y-y1=m(x-x1)

y-(-4)=15/7(x-0)

y+4=15/7(x)

y+4=15/7x

y=15/7x-4

4 0
3 years ago
maria walks 22 feet, then goes another 40 feet on a path that makes a 70 degree angle with the path she was on. how far is she,
hammer [34]

Answer:

132 feet

Step-by-step explanation:

22+60+70

7 0
3 years ago
What is the answer of X2/3??
Yuri [45]
1/3x^2

hope this helps
7 0
4 years ago
Raymond has a set of 57 toy cars and decides to sell 19 of them to Joey. About how many toy cars does Raymond have left
Dovator [93]

Answer:

raymond has about 38 cars left

Step-by-step explanation:

Because raymond started off with 57 cars and he got rid of( take away) 19 you must use subtraction. 57 - 19 =38

4 0
3 years ago
Graph<br> Y=3/4x - 1/2 <br> Pleaseeeee help!!
Nimfa-mama [501]
I’m not 100% sure kind of a guess but I would x=2/3. Good luck
6 0
3 years ago
Read 2 more answers
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