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Wewaii [24]
2 years ago
6

Can someone please check my work to see if I did it right

Mathematics
1 answer:
sdas [7]2 years ago
6 0
Yep you have done it correctly
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In quadrilateral PQRS, the coordinates are (0,0), R(a +c, b), and S(a, b). How can you use coordinate geometry to show that the
aliina [53]

Answer:By definition, perpendicular line are two lines that intersect at right angles. In other words, the angle made by two lines should be 90°. Therefore, the use of distance formula does not help because it only tells you if the sides are equal. It does not tell you about the intercepted angle.

A technique that can help you to know if two straight lines are perpendicular is is you find their slopes. Let's say the slope of line 1 is m1 and the slope of line 2 is m2. If m1*m2 yields a product of -1, then the lines are perpendicular. This is because if m1 is the negative reciprocal of m2, the lines are perpendicular. But if m1=m2, the lines are parallel, meaning they don't intersect at all.

Therefore, the answer is: Find the slopes and show that their product is -1.

hope it help

6 0
3 years ago
a tub shaped like a cylinder with a diameter of 18 inches, And a height of 20 inches Is filled to the top with water. Six spheri
jasenka [17]

The approximate amount of water that remains in the tub after the 6 spherical balls are placed in the tub are 3479.12 in³.

<h3>What is the approximate amount of water that remains in the tub?</h3>

The first step is to determine the volume of the cylinder.

Volume of the tub = πr²h

Where:

  • r = radius = diameter / 2 = 18/2 = 9 inches
  • h = height
  • π = 3.14

3.14 x 9² x 20 = 5086.8 in³

The second step is to determine the volume of the 6 balls.

Volume of a sphere= 4/3πr³

r = diameter / 2 = 8/2 = 4 inches

6 x (3.14 x 4/3 x 4³) = 1607.68 in³

Volume that remains in the tub = 5086.8 in³  -  1607.68 in³ = 3479.12 in³

To learn more about the volume of a sphere, please check: brainly.com/question/13705125

#SPJ1

4 0
2 years ago
the probability of rain is 0.7 the probability of sun is 0.2. the probability of it being rainy and sunny is 0.5. what is the pr
SIZIF [17.4K]

Answer:

the probability of rain is 0.3. The probability of no rain is 1–0.3= 0.7

0.7 is the probability that it does not rain.Step-by-step explanation:

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2 years ago
Your job as investigator is to determine who caused this accident. Is the driver responsible , or is the farmer responsible? Rea
ziro4ka [17]
It’s 6 i’m pretty sure, your welcome have a good day
3 0
2 years ago
What is the solution to this system of linear combination 3a+6b=45 2a-2b=-12 what is the solution to the system?
DanielleElmas [232]
Ok i tried and ig youre looking for what a and b equal for both systems..... it'll be 1) a=-2b+15 b=7.5-(1/2)a <-- fraction........2) a=-6+b b=6-a
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3 years ago
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