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s2008m [1.1K]
3 years ago
6

Hey PLEASE HELP DUE TODAY

Mathematics
1 answer:
nadya68 [22]3 years ago
4 0
What the maning of that ?
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What is an equivalent to -16m^2n-(-25m^2n)+(-7m^2n)
pantera1 [17]

Answer:

The equivalent expression is:

-16m^2n-\left(-25m^2n\right)+\left(-7m^2n\right)=2m^2n

Step-by-step explanation:

Given the expression

-16m^2n-\left(-25m^2n\right)+\left(-7m^2n\right)

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a

=-16m^2n+25m^2n-7m^2n

\mathrm{Add\:similar\:elements:}\:-16m^2n+25m^2n-7m^2n=2m^2n

=2m^2n

Therefore, the equivalent expression is:

-16m^2n-\left(-25m^2n\right)+\left(-7m^2n\right)=2m^2n

7 0
3 years ago
How would you write a system of linear inequalities from a graph?
denis23 [38]

First, take two points from the graph. Call these points (a, b) and (c, d).

Next, find the slope. You can find this by doing (b-d)/(a-c).

Call the slope m. You will need this later.

Make an equation in slope intercept form (y = mx + b).

Now, take one of the points, and plug it into the equation.

mx + b has the same m as the slope.

From here, you can figure out b (the y-intercept).

To make a system, you do the same thing, but find where it is greater and lower.

4 0
3 years ago
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Q = (√x-5)² + (√x+4)-41​
kicyunya [14]

Answer:

. .

Step-by-step explanation:

x^2-9x√x-12

solve by using formula (a+b)^2 and open the brackets

6 0
3 years ago
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Find the sum<br> 4 1/2 + 5 1/2
Otrada [13]

Answer:

10

Step-by-step explanation:

8 0
4 years ago
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A) If volume of a cylinder is 4817 and the radius is 4, find the height.
Diano4ka-milaya [45]

Answer:

71. 8

Step-by-step explanation:

volume of a cylinder = 4/ 3 π r² h

=> 4817 = 4/ 3 × 22/ 7 × 4² × h

=> h = (4817 × 3 × 7)/ (4 × 22 × 4²)

=> h = 71.8

6 0
3 years ago
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