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katrin2010 [14]
3 years ago
5

Explain how estimating helps you check the reasonableness of your answers.

Mathematics
1 answer:
ikadub [295]3 years ago
6 0
Ur answer will be more accurate
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Can someone please help me on this question
Grace [21]

Answer: ? = 72

Step-by-step explanation:

   We will set up a proportion to solve.

\displaystyle \frac{?}{56} =\frac{45}{35}

   Now, we will cross-multiply.

? * 35 = 56 * 45

35? = 2,520

? = 72

3 0
2 years ago
Bdhskakaiaggsbsnasnbdbsjsjs simplify c^4/c^3
slava [35]

Answer:

Cancel the common factor of  c^ 4  and  c ^3 .

The answer is c

Step-by-step explanation:

Hope this helps! Have a nice day!

5 0
2 years ago
Read 2 more answers
In the given figure, if y = 30, find (i) x (ii) z and (iii) u​
pogonyaev

Answer:

u=30

x=150

z=150

y=30

Step-by-step explanation:

u=y [ being vertically opposite angle]

x+u=180[ being linear pair]

x+30=180

x=180-30

x=150

z=x[being vertically opposite angle]

z=150

y=u[ being voa]

8 0
2 years ago
Read 2 more answers
(3.rº – 7x + 2) - (2x² – 4x + 5)
Vladimir79 [104]

Answer:

choice C: x2 -3x -3

Step-by-step explanation:

(3x^2-7x+2)-(2x^2-4x+5)

becomes

3x^2-7x+2 -2x^2+4x-5

adding

3x^2-2x^2 -7x+4x +2-5

which is

x^2 -3x -3

5 0
3 years ago
How would you graph y=| x-2|-4
AVprozaik [17]
To graph ty function simply make a table of values, where you choose any value for x and substitute that value in the function.

Then take the absolute value of the expression in the square bracket.

It is always positive, the absolute value of -6 is 6 etc.

Then graph the resulting points.

Another way to do it is simply draw the graph of y = |x| then move it 2 spaces to the right and 4 spaces down, I believe.
4 0
3 years ago
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