2 years ago

Tenisha solved the equation below by graphing a system of equations.

Mathematics

1 answer:

Yuri [45]2 years ago

5 0

Answer:

Option B.)

Step-by-step explanation:

Just took the test and got 100% :]

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I only need help on number 9. Find the value of Y.

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6y+40=10y-32
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3 years ago

Lena paid $18.96 for 3pounds of coffee. What is the cost per pound for this coffee

STatiana [176]

Answer:

6.32

Step-by-step explanation:

divide 18.96 by 3 and the outcome is 6.32

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3 years ago

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Answer:

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You fly a hot air balloon 3.5 miles above the ground. What is the measure of BD⌢, the portion of Earth that you can see? Round y

STatiana [176]

Answer:

$\Delta s \approx 334.545\,m$

Step-by-step explanation:

Let assume that Earth is a sphere, the following trigonometric diagram is constructed and presented below. The central angle is given by this inverse trigonometric equation:

$\theta = 2\cdot \cos^{-1} \left(\frac{r}{r+h} \right)$

$\theta = 2\cdot \cos^{-1}\left(\frac{4000\,mi}{4000\,mi+3.5\,mi} \right)$

$\theta = 4.792^{\circ}$

The distance of the portion of Earth that can be seen is:

$\Delta s = \frac{4.792^{\circ}}{360^{\circ}}\cdot (2\pi)\cdot (4000\,mi)$

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3 years ago

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Answer: It will be classified as a whole number!

Step-by-step explanation:

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