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Monica [59]
3 years ago
6

PLEASE HELP !!!! Solve the system using either substitution or elimination: 3x+6y=6 x-5y=23

Mathematics
2 answers:
Orlov [11]3 years ago
7 0
X=8 and y=-3 because they’re the point form in the graph
natta225 [31]3 years ago
3 0

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation. Point Form: ( 8 , − 3 ) Equation Form: x = 8 , y = − 3

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A 0.40 kg bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy?
nalin [4]

Answer:

The correct answer is 12.8 J.

Step-by-step explanation:

To solve this problem, we must remember how to calculate the kinetic energy of an object.

The kinetic energy is represented by the formula K = 1/2 * m * v^2, where m represents the mass of the object and v represents the speed or velocity of the object.  If we plug in the given values into the formula, we get:

K = 1/2 * m * v^2

K = (1/2) * (0.40) * (8.0)^2

Our first step is to square the velocity.  After doing this step, we get the following:

K = (1/2) * (0.40) * (64)

Finally, we can perform the multiplication, to get:

K = 12.8

The unit for kinetic energy is joules, so the correct answer is 12.8 J.

Hope this helps!

8 0
3 years ago
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The expression 2x2 + 12x + 10 represents a bird's height, in feet, x seconds after it leaves its nest,
marusya05 [52]
The answer is A. You add the extra 10 feet to however high the bird flew from there
8 0
3 years ago
Pls answer these questions .​
Agata [3.3K]

Answer:

1. PQ

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4. OR/OP

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Step-by-step explanation:

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2 years ago
Over the past ten years, the town's population doubled in size. The population is currently 12,000. What was the population ten
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6,000 right? I think
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Find the modulus and the unit vector along the sum of the vectors. - r₁ +r₂ +r3 given that r₁ = 2i+j+4k - r₂ = 3i-2j+7k, r3 = 5i
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j+8k

first -2i+j+4k-3i-2j+7k+5i+2j-3k

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