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katovenus [111]
3 years ago
7

If m(nx2-y)/z = 5n , find the value of n when m = 6, x = -2, y = -3 and z = -5​

Mathematics
1 answer:
Mila [183]3 years ago
6 0

Answer:

-(18/49)=n or approximately n=-0.367

Step-by-step explanation:

our equation is: m(nx²-y)/z=5n in order to find n we need to substitute the values given in the question. when we substitute we get:

6*(n*(-2)²-(-3))/(-5)=5n

6(4n+3)/(-5)=5n (we distribute the 6 in the numerator)

24n+18/-5=5n (we multiply both sides by (-5))

24n+18=-25n (we subtract 24n from both sides)

18=-49n (divide both sides by (-49))

-(18/49)=n or approximately n=-0.367

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Answer:

79

Step-by-step explanation:

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360-134-58=158

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3 years ago
10/3+7)<br><br><br> i need help anyone got the answer ?
brilliants [131]

Answer:

Step-by-step explanation:

\frac{10}{3}+7 or \frac{10}{3+7}

If it is the former then first we will divide 10 by 3.

You get 3.333333

From there you will add 7 to that. You get 10.333333

If it is the latter then the answer is 1.

I know this because, you will first want to add 3 and 7. You get, 10.

Then you divide 10 by 10. Now you get 1.

Thus, the answer is 1.

<em>Hope this helped! :)</em>

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3 years ago
How many solutions do −2(3x−10)+8x=7x+20+7x have
Nina [5.8K]

Answer:

x=0

Step-by-step explanation:

8 0
3 years ago
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2:14 = 1:<br> What is the equivalent ratio?
Vlad [161]
The answer would be 1:7
7 0
3 years ago
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A small airplane can hold 44 passengers.fifteen passengers board the plane a. Identify an inequality that represents the additio
iris [78.8K]

Answers:

Inequality is 15 + p \le 44

Choice A) 30 more passengers cannot board the plane. Only 29 more passengers can board the plane

===============================================

Explanation:

15 people are already on the plane.

p is a placeholder for a positive whole number representing the additional number of people that can get on the plane.

In total, the plane holds 15+p individuals.

This expression's largest possible value is 44. Think of it as the ceiling. In terms of math, we call it the maximum. Since at most 44 people can be on the plane, this means the inequality we'll set up is 15+p \le 44

This says "15+p is less than or equal to 44". It's the same as saying "15+p is 44 or smaller".

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

To isolate p, we subtract 15 from both sides

Doing so leads to...

15+p \le 44\\\\15+p-15 \le 44-15\\\\p \le 29

We can see that the largest p can get is 29, meaning that at most 29 more people can board the plane. There's no way that 30 people can board. That unfortunate 30-29 = 1 person must wait for another plane.

This all shows why choice A is the answer.

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

As a way to check the answer, we can note how p = 29 leads to 15+p = 15+29 = 44. We've filled the plane to full capacity.

If p = 30, then 15+p = 15+30 = 45, and we've gone 1 seat overboard.

8 0
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