3 years ago

Y-x-3=0 rewrite as a linear equation

Mathematics

1 answer:

Delvig [45]3 years ago

4 0

Solving to y gives you:y=x+3

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3 + 4n + n = 2n + 15.

monitta

Answer:

n = 4

Step-by-step explanation:

3 + 4n + n = 2n +15

3 + 5n = 2n + 15

5n - 2n = 15 - 3

3n = 12

n = 12 / 3

= 4

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4 years ago

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A 3-pack of light bulbs costs $3.27. What is the unit price

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Step-by-step explanation:

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3 years ago

The string of a kite is 120 metres long and it makes an angle of 60 degree

Afina-wow [57]

Answer:

103.92 m

Step-by-step explanation:

The kite is making right angle with the ground and its string is acting as hypotenuse of right triangle.

Let the height of the kite from the ground be h meters.

Therefore, by trigonometrical ratio:

$\sin \theta \: = \frac{height \: of \: the \: kite}{length \: of \: the \: string} \\ \\ \sin 60 \degree \: = \frac{h}{120} \\ \\ \frac{ \sqrt{3} }{2} = \frac{h}{120} \\ \\ h = \frac{ \sqrt{3} }{2} \times 120 \\ \\ h = \sqrt{3} \times 60 \\ \\ h = 1.732 \times 60 \\ \\ h = 103.92 \: m \\$

Thus, the height of the kite from the ground is 103.92 meters.

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3 years ago

6th grade math help me please :))

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208 divide by 8
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In a triangle ABC, AB= BC, Bc=CA what is the measurement of <A

goldfiish [28.3K]

Answer:

60°

Step-by-step explanation:

If AB=BC=CA, it means ABC is an equilateral triangle which all three sides are equal.
Thus, all three internal angles are also congruent to each other and are each 60°.

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