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nekit [7.7K]
3 years ago
9

Which statement is true about the equations –3x + 4y = 12 and 1/4x – 1/3y = 1?

Mathematics
1 answer:
kompoz [17]3 years ago
4 0

Answer:

Option C. The system of the equations has no solution; the two lines are parallel.

Step-by-step explanation:

we have

-3x+4y=12 -----> equation A

(1/4)x-(1/3)y=1 ----> equation B

Multiply equation B by -12 both sides

-12*[(1/4)x-(1/3)y]=1*(-12)

-3x+4y=-12 ----> equation C

Compare equation A and equation C

The lines are parallel , but the y-intercepts are different

therefore

The system has no solution

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What are the side of triangle PWR
nikitadnepr [17]

Answer:

  PR, PW, RW

Step-by-step explanation:

The sides of a triangle are named by naming the vertices at either end.

Triangle PWR has vertices P, W, R. The sides connecting these are named ...

   PW, WR, RP

Any name can have the letters reversed. That is, PR names the same segment that RP does.

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3 years ago
What is 7 divided by 2578
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Answer:

368.28571428571429

Step-by-step explanation:

Just round

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A 1,000 kg car experiences a net force of 3,500 N from its engine.
Hoochie [10]

Magnitude of the car's acceleration is 3.5 m/s²

<u>Given:</u>

Mass of car = 1,000 kg

Net force applied by car = 3,500 N

<u>Find:</u>

Magnitude of the car's acceleration

<u>Computation: </u>

Net force = Mass × Acceleration

So,

3,500 = 1,000 × Acceleration

Acceleration = 3,500 / 1,000

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Learn more:

brainly.com/question/12550364?referrer=searchResults

7 0
3 years ago
Read 2 more answers
Find an equation of the circle that has center (-6, 6) and passes through (3,-4)​
daser333 [38]

Answer:

(x+6)² + (y-6)² = 181

Step-by-step explanation:

equation of the circle in general is (x - a)² + (y - b)² = r²

center is (a, b) in our task a=-6 b=6

so equation of the circle is (x+6)² + (y-6)² = r²

we have point  (3,-4)​ ⇒ x=3 y=-4

put x y in equation of the circle ⇒  (3+6)² + (-4-6)² = r² ⇒r² =181

⇒The equation of a circle is (x+6)² + (y-6)² = 181

4 0
3 years ago
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Find the perimeter of the parallelogram *<br> 10 inches<br> 5 inches<br> 8 inches
Paladinen [302]

Step-by-step explanation:

We know that in a parallelogram

  • Opposite sides are of equal length
<h3>The sides are,</h3>

\\ \:\:\:\:\sf {:}\dashrightarrow 5in,10in,10in,5in

<h3>we know,</h3>

\boxed{\sf Perimeter=Sum\:of\:all\:sides}

\\ \:\:\:\:\sf {:}\dashrightarrow Perimeter_{(Parallelogram)}=5+5+10+10

\\ \:\:\:\:\sf {:}\dashrightarrow Perimeter_{(Parallelogram)}=10+20

\\ \:\:\:\:\sf {:}\dashrightarrow {\underline{\boxed{\bf Perimeter_{(Parallelogram)}=30inches}}}

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3 years ago
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