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3 years ago

7

When simplified, StartFraction tangent (40 degrees) minus tangent (10 degrees) Over 1 + (tangent (40 degrees) ) (tangent 10 degr

ees) ) EndFraction is equivalent to which expression?

2 answers:

sasho [114]3 years ago

5 0

Answer:

Its C

Step-by-step explanation:

I got it right on edge.

bagirrra123 [75]3 years ago

5 0

Answer:

C. tan(30°)

Step-by-step explanation:

edge yuh yuhhhhh

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During a 20 kilometer hike, Deana consumed 334 quarts of water. What was Deana's average water consumption in quarts per kilomet

boyakko [2]

Answer:

16.7 quarts/km

Step-by-step explanation:

Distance = 20 km
Water consumed = 334 quarts

<u>Water consumption rate is:</u>

334 quarts / 20 km = 16.7 quarts/km

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3 years ago

An orange grower find that she gets an average yield of 40 bushels per tree when she plants 20 trees on an acre of ground. Each

sdas [7]

Answer:

30 trees/acre

Step-by-step explanation:

Let n = the number of trees added to 1 acre

Let Y(n) = the yield in bushels/acre

Yield in bushels/acre = [bushels/tree] x [trees/acre]

Y(n) = (40-n)*(20+n)

= 800 - 20n + 40n - n^2

= n^2 + 20n + 800 ---------------------(1)

The n-value of the vertex ( which is a peak ) is given by the formula:

n(max) = -b/2a

Putting values from equation (1) gives us

n(max) = 10

The grower started with 20 tree/acre and adds 10 more for max yield, so she should plant: 30 trees/acre

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Maximum yield is 900 bushels/acre.

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4 years ago

How do you write this number using words?<br><br> 44,038

adoni [48]

Answer:

forty four thousand thirty eight

Step-by-step explanation:

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2 years ago

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On a coordinate plane, a dashed straight line has a negative slope and goes through (0, 3) and (2, negative 1). Everything to th

stepan [7]

Answer: Last option.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

$y=mx+b$

Where "m" is the slope of the line and "b" is the y-intercept.

The slope of a line can be found with this formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

In this case, knowing that this line goes through the points (0,3) and (2,-1), you get that its slope is:

$m=\frac{-1-3}{2-0}\\\\m=-2$

By definition, a line intersects the y-axis when $x=0$ .

Since the line goes through the point (0,3), you can identify that:

$b=3$

Then, the equation of this line in Slope-Intercept form, is:

$y=-2x+3$

You know that everything to the left of the dashed line is shaded, then the symbol of the inequality is .

Therefore, the linear inequality that is represented by the graph is:

$y$

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3 years ago

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