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UNO [17]
3 years ago
9

Explain how you use estimation to check the reasonableness of a solution to a practical problem.

Mathematics
1 answer:
Oxana [17]3 years ago
3 0

Answer:

Well, one way to use reasonableness is to estimate the answer to see if your answer is an outrageous answer or not. So, looking at your problem, you see that you are multiplying a two hundred something number by 4 and then subtracting 10 from it.

Step-by-step explanation:

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Each notebook contains 60 sheets of paper. Andre has 5 notebooks. How many sheets of paper do Andre’s notebooks contain? WHICH A
Darya [45]

Answer:

5y=60

Step-by-step explanation:

it is bc 5 x y = 60

4 0
2 years ago
What is the positive solution to the equation 0 = -x2 + 2x + 1?
katrin2010 [14]

Answer:

there is no solution

Step-by-step explanation:

1st switch sides: -x2+2x+1=0

2nd add similar elements: -2x + 2x = 0

1 = 0

Thus, this equation has no solution

hope i helped :)

5 0
4 years ago
Read 2 more answers
The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times.
Free_Kalibri [48]

Answer with Step-by-step explanation:

we are given a event of rolling as die several times:

 Outcome:                                         [1 2 3 4 5 6]

Number of times outcome occurred: [10    6 4 8 6 6]

We have to find the experimental probability of rolling a 1 or a 5

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and total number of outcomes=  10+6+4+8+6+6=  40

P( rolling a 1 or a 5)=  

number of times 1 or 5 came up/ total number of outcomes

=   16/40

= 2/5

Hence, the experimental probability of rolling a 1 or a 5 is:

    2/5

3 0
4 years ago
Read 2 more answers
Convert 2 1/3 into improper fraction: *<br> 7/3<br> O 7/6<br> O 6/3<br> O 3/6
almond37 [142]

Answer:

7/3 is the answer

Step-by-step explanation:

6 0
3 years ago
Blake has b baseball cards. His aunt gave him more cards, increasing his total number of cards by 25%. Which expression represen
Naily [24]

Answer:

Blake's total number of cards now:  1.25b

Step-by-step explanation:

Total number of cards now would be equal to 25% increase from b.

<em>This means we INCREASE b by 25% OF b.</em>

<em />

What is 25% of b???

\frac{25}{100}*b\\=0.25b

Now we need to ADD this to original amount, b.

So,   b+0.25b=1.25b

6 0
3 years ago
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