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harkovskaia [24]
3 years ago
8

Explain how you can use estimation to check that your answer is reasonable

Mathematics
1 answer:
serg [7]3 years ago
7 0
Make sure the estimates are accurate to check that try using the rounding song (if it's 4 or below leave it alone,if it's 5 or higher give it a shove)
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Help please Which is the equation of a trend line that passes through the points (3, 95) and (11, 12)? Round values to the neare
Greeley [361]

Answer:

y = -10.375x + 126.125

Step-by-step explanation:

(12-95)/(11-3) = -83/8 = -10.375

y = mx + b

12 = -10.375(11) + b

12 = -114.125 + b

b = 126.125

y = -10.375x + 126.125

3 0
2 years ago
Read 2 more answers
Please help !! :)
kari74 [83]

Answer:D: 12

Step-by-step explanation:

D) The sum of any two sides of a triangle must be greater than the third side.

4 0
3 years ago
Read 2 more answers
A math class is having a discussion on how to determine if the expressions 4 x minus x + 5 and 8 minus 3 x minus 3 are equivalen
Brut [27]

Answer:

  • Both expressions should be evaluated with two different values. If for each substituted value, the final values of the expressions are the same, then the two expressions must be equivalent.

Step-by-step explanation:

<u>Given expressions</u>

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  • 8 - 3x - 3 = -3x + 5

Compared, we see the expressions are different as 3x and -3x have different coefficient

<u>Answer options</u>

Both expressions should be evaluated with one value. If the final values of the expressions are both positive, then the two expressions must be equivalent.

  • Incorrect. Positive outcome doesn't mean equivalent

----------------------------------------

Both expressions should be evaluated with one value. If the final values of the expressions are the same, then the two expressions must be equivalent.

  • Incorrect. There are 2 values- variable and constant

----------------------------------------

Both expressions should be evaluated with two different values. If for each substituted value, the final values of the expressions are positive, then the two expressions must be equivalent.

  • Incorrect. Positive outcome doesn't mean equivalent.

----------------------------------------

Both expressions should be evaluated with two different values. If for each substituted value, the final values of the expressions are the same, then the two expressions must be equivalent.

  • Correct.  
3 0
3 years ago
Three times the smallest of three consecutive integers is six less than the largest. Find rhe numbers.
docker41 [41]

Let the numbers be x , x+1 and x+2

Then:-

3x  = x + 2 - 6

3x - x = -4

2x = -4

x = -2

So the 3 integers are -2, -1 and 0. answer

5 0
3 years ago
The problem -2x=9 equals the answer x=-4.5...is that correct or incorrect?
erastovalidia [21]
-2x=9|:(-2)\\&#10;x=-4.5&#10;

Yes.
5 0
3 years ago
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