3 years ago

2 sin x cos x – sin x = 0

1 answer:

7 0

Answer: PiN, Pi/3+2PiN, 5Pi/3+2PiN

Step-by-step explanation: Use formula sheet

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MrMuchimi

Answer: $\left \{ {{2x+3y=7.20} \atop {4x+2y=8.80}} \right.$

Step-by-step explanation:

Let be "x" the price per pound for grapefruit, "y" the price per pound for oranges.

We know that Steve buys 2 pounds of grapefruit and 3 of oranges for $7.20.

This means that the sum of the products of $2x$ and $3y$ is $7.20. Then, we can write this equation to represent it:

$2x+3y=7.20$

Kennedy buys 4 pounds of grapefruit and 2 pounds of oranges for $8.80.

This means that the sum of the products of $4x$ and $2y$ is $8.80. Then, we can write this equation to represent this:

$4x+2y=8.80$

Therefore, we get that the system of equations that models the situation is:

$\left \{ {{2x+3y=7.20} \atop {4x+2y=8.80}} \right.$

8 0

3 years ago

Keith_Richards [23]

It is a scalene triangle. All sides are of different lengths.

7 0

3 years ago

Natasha2012 [34]

Answer:

3.5

Step-by-step explanation:

(42 - 14)/(12 - 4) = 28/8 = 7/2 = 3.5

5 0

3 years ago

marta [7]

The difference is 4.25in^3

6 0

3 years ago

Mkey [24]

I would say the answer is a

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7 0

4 years ago