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Masja [62]
2 years ago
8

A uniform rod of length 8 m has 20kg. What is the mass per meter.? ​

Mathematics
1 answer:
zvonat [6]2 years ago
7 0

Answer:2.5 kg per  meter

Step-by-step explanation:since the rod is uniform i simply divided the weight of the rod(20kg), by the length of the rod(8m). 20kg/8m = 2.5kg/m

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Find the angles of x and y​
Gnesinka [82]

or, x=180

or,34=180

or,180-34

or x=146

Now,

or, y=146

or,18=146

or146-18

or, y=128

there is x is 34 and its all side angle is 180 degree So put x =180 and then put x value is 34 =180 and there is no values in front of 34 so there will be + and if +so in another side it will be - and then after put 180-34=146

5 0
3 years ago
Determine the area of a square with side length 2√7 in.
Ainat [17]

Answer:

28 inch

Step-by-step explanation:

The length of all four sides of square is equal.

The formula used for finding the area of square is:

Area = (Length) × (Length)

Thus, the Area of square whose length is 2√7 is:

Area = 2√7 × 2√7

⇒ Area = 4 × 7 = 28 inch.

3 0
3 years ago
Need answer to number 11
elena55 [62]
Are we allowed to see the diagram or not? 
4 0
2 years ago
Can someone help? exams are tomorrow and i have no clue how to do this problem?
cluponka [151]
Hi i don’t really know the answer but i just wanted to say good luck on ur exams and you will do great!!
5 0
2 years ago
What is the solution for the system of equations?<br><br> -4x+y=-2<br> y+5=-6x
Aliun [14]

Answer:

(-3/10,-16/5)

Step-by-step explanation:

One way to solve a system of equations is by elimination.  We can take one equation and subtract the other equation from it to cancel out on of the variables making the equation into something we can solve.  In this case the Y's will cancel out because we have 1 Y in each equation

-4x+y=-2

6x+y=-5 subtract

-4x-6x=-10x

y-y=0

-2-(-5)=3

so our equation is -10x=3 and we can solve for x giving us x=-3/10

now we can plug -3/10 in for x into either of the original equations and solve for Y

y+5=-6(-3/10)

y+5=9/5

y=-16/5

so our answer is (-3/10,-16/5)

I hope this helps and please don't hesitate to ask if there is anything still unclear!

6 0
3 years ago
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