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3 years ago

Write the equation 2x + 4y = 12 in slope intercept form.

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

4y=12-2x
y=(12-2x)/4
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Which of the following could be the measurements of two complementary angles?

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The answer would be A, complementary angles must add up to 90 degrees

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Rachel can buy 18 eggs for $1.49 or 12 eggs for $1.09. Which is the better buy?

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3 years ago

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Step-by-step explanation:

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3 years ago

Bob is driving along a straight and level road toward a mountain. At some point on his trip, he measures the angle of elevation

DerKrebs [107]

Answer:

Option A.

Step-by-step explanation:

Distance between Bob and the center of the mountain at the base = 19,427.5 ft.

Angle of elevation to the top of the mountain = 25°11'

We know that

1 degree = 60 minutes

1/60 degree = 1 minute

$25^{\circ}11'=25^{\circ}+\frac{11}{60}{\circ}\Rightarrow 25^{\circ}+0.183^{\circ}=25.183^{\circ}$

Let the height of the mountain be h.

In a right angled triangle

$\tan\theta = \frac{opposite}{adjacent}$

$\tan(25.183^{\circ}) = \frac{h}{19427.5}$

$\tan(25.183^{\circ})\times 19427.5 = h$

$h=0.4702\times 19427.5$

$h=9134.8105$

$h\approx 9135$

Therefore, the height of the mountain to the nearest foot 9135. Option A is correct.

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3 years ago

Is y = 3x2 + 2x2 + x a polynomial?

Paha777 [63]

No, it’s not a polynomial because it has three terms and a polynomial has more than three terms. It would be a trinomial.

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