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Genrish500 [490]
3 years ago
13

Which of the following would you round and estimate to a sum of 11?

Mathematics
2 answers:
sashaice [31]3 years ago
5 0

Answer:

Option A)

Step-by-step explanation:

A) 3.41+8.051

=> 11.4 ≈ 11

B) 3.65+7.992

=> 11.6 ≈ 12

C) 4.25+8.103

=> 12.4 ≈ 12

D) 4.89+7.431

=> 12.3 ≈ 12

Leni [432]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Round and estimate the sum.

3.41 + 8.051

3 + 8 = 11

3.65 + 7.992

4 + 8 = 12

4.25 + 8.103

4 + 8 = 12

4.89 + 7.431

5 + 7 = 12

The first option is correct.

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Graph a line that contains the point (-5,-3) and has a slope of -2
Tpy6a [65]

Answer:

-->

Step-by-step explanation:

Graph (-5,-3) and use the slope, -2, to find another point. -2 can also be written as -\frac{2}{1}

\frac{rise}{run} =\frac{-2}{1} and  \frac{rise}{run} =\frac{2}{-1} **

Use both. This works because either way, they will lie on the same line with the same slope. So, starting at (-5,-3), go down two points (-)* and to the left 1 (+)*, then, starting at (-5,-3) again, go up two points (+)* then to the right 1 point (-)*.

* If the number is negative, you either go down or to the right. If the number is positive, you go up and to the left.

**Rise over run refers to the change in the y-axis and the change in the x-axis: \frac{rise}{run} =\frac{y-axis}{x-axis}. Only one number is negative because, if both were negative, that would make a positive number, but the slope is -2, not 2.

Another way you could do this is by finding points first. All you need to do is turn the slope into a "point". Remember, 2 is the y and 1 is the x:

-2=-\frac{2}{1} = (1,-2) and (-1,2)

Then, using (-5,-3) and your new points, add them separately:

(-5,-3)+(1,-2)\\(-5+1,-3+(-2))\\(-5+1,-3-2)\\(-4,-5)

(-4,-5) is one point

(-5,-3)+(-1,2)\\(-5+(-1),-3+2)\\(-5-1,-3+2)\\(-6,-1)

(-6,-1) is another point. Connect the three points. You can check your work on the graph:

3 0
3 years ago
How would you do this as a decimal number ?
Contact [7]

Answer:

-5.875

Step-by-step explanation:

5 0
3 years ago
Please help I will give you brainiest!!!
rusak2 [61]

9514 1404 393

Answer:

  x-intercept: -14/9

  y-intercept: 7

Step-by-step explanation:

This is one of the easiest forms for finding intercepts. To find the x-intercept, set y=0 and divide both sides by the coefficient of x.

  -9x = 14 . . . . . set y=0

  x = -14/9 . . . . divide by -9

__

To find the y-intercept, set x=0 and divide both sides by the coefficient of y.

  2y = 14 . . . . set x=0

  y = 7 . . . . . . divide by 2

The x-intercept is -14/9; the y-intercept is 7.

8 0
3 years ago
Y=(4x-5)(x-?) what does x equal
Whitepunk [10]
Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Easy answer
Its 0

I hope it's correct Good luck...
8 0
3 years ago
(15+6) divde 3 Evalute the expression
Tom [10]

Answer:

(15+6)/3

21/3=7

5 0
3 years ago
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