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Dafna1 [17]
3 years ago
10

A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off south and west, perpendicular t

o each other, at 23 m/s . The third piece has twice the mass as the other two.

Mathematics
1 answer:
vlada-n [284]3 years ago
6 0

Answer:

Step-by-step explanation:

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Select the equation with the solution x = 25. The equation should have the variable on both sides, a decimal coefficient on the
Katyanochek1 [597]
It isn't A because there isn't a decimal in the hundredths.
It isn't B because it doesn't have a decimal coefficient on the left side: that means it could be C or D, to find out we should find what x is in C:
0.5x-5=0.15x+2
0.5x=0.15x+7
0.35x=7
Divide both sides by 7
0.05x=1
Now multiply both sides by 20:
x=20
That means it must be D, let's make sure:
0.6x-3=0.28x+5
0.6=0.28x+8
0.32x=8
Divide both sides by 8:
0.04x=1
Now multiply both sides by 25:
x=25
So the answer is D

Hope this helps :)
7 0
3 years ago
The width of a rectangle is 5 less than the length and the perimeter is 70. Find the dimensions of the rectangle
Pani-rosa [81]

Answer:

L= 40

W= 35

Step-by-step explanation:

The solution is in the attached file

5 0
2 years ago
123.456 RONDED TO THE NEAREST HUNDREDTH.
anzhelika [568]

123.456 RONDED TO THE NEAREST HUNDREDTH.

Answer:

123.46

8 0
3 years ago
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Solve for b.<br><br> −13b=9 plees help
Brilliant_brown [7]
<span>−13b=9
divide both sides by -13
</span><span>−13b/-13 =9/-13
simplify
b = -9/13</span>
5 0
3 years ago
Read 2 more answers
Plot the ordered paired (4,-5) state which quadrant or on which axis the point lies
Rudiy27

Answer:

The point is in the 4th quadrant.

Explanation:

Given the ordered pair(4, -5), we have that x = 4 and y = -5. Plotting this point, we'll have;

Note that quadrants are labelled in an anti-clockwise direction with the top right portion of the graph as the 1st quadrant. Looking at the plotted point, we can see that it i in the 4th quadrant.

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1 year ago
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