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photoshop1234 [79]
3 years ago
15

Which equation describes the line graphed above? JUST NEED ANSWER NO NEED FOR EXPLANATION

Mathematics
2 answers:
Advocard [28]3 years ago
5 0

Answer:

Y = -1/5x -4

Step-by-step explanation:

Zolol [24]3 years ago
4 0

Answer:

B.

Step-by-step explanation:

We can use a graphing calc to determine which line is the correct one.

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Help math question derivative!
atroni [7]
Let f(x)=\sec^{-1}x. Then \sec f(x)=x, and differentiating both sides with respect to x gives

(\sec f(x))'=\sec f(x)\tan f(x)\,f'(x)=1
f'(x)=\dfrac1{\sec f(x)\tan f(x)}

Now, when x=\sqrt2, you get

(\sec^{-1})'(\sqrt2)=f'(\sqrt2)=\dfrac1{\sec\left(\sec^{-1}\sqrt2\right)\tan\left(\sec^{-1}\sqrt2\right)}

You have \sec^{-1}\sqrt2=\dfrac\pi4, so \sec\left(\sec^{-1}\sqrt2\right)=\sqrt2 and \tan\left(\sec^{-1}\sqrt2\right)=1. So (\sec^{-1})'(\sqrt2)=\dfrac1{\sqrt2\times1}=\dfrac1{\sqrt2}
5 0
3 years ago
The safety instructions for a 20 foot ladder say the ladder should not be inclined more than 70 degrees with the ground. suppose
Romashka [77]

Answer: the distance of the base of the house to the foot of the ladder is 6.84 feet

Step-by-step explanation:

The scenario is shown in the attached photo.

Right angle triangle ABC is formed when the ladder leans against the wall of the house.

AC = the height of the ladder

AB = x feet = distance of the base of the house to the foot of the ladder

BC is the wall of the building.

To determine x, we will apply trigonometric ratio

Cos # = adjacent/hypotenuse

Where

# = 70 degrees

Hypotenuse = 20

Adjacent = x

Cos 70 = x/20

x = 20cos70

x = 20 × 0.3420

x = 6.84 feets

4 0
3 years ago
What is the vertex in the equation of the axis of symmetry of the graph of y=x^2-6x-7
Keith_Richards [23]

Answer:

98

Because ya he is js is k ska new aja ska ska

4 0
4 years ago
A) -126.5 degrees Fahrenheit
lawyer [7]
I think is B sorry if I am worng
8 0
3 years ago
A package of aa batteries costs 3.50 plus an additional 6% tax. What is the price after tax?
Fiesta28 [93]
6% tax means 6% of $3.50

Convert 6% to decimal (move decimal 2 spots to the left): 6% ⇒ .06

Multiply 3.50 with .06 = .21 <-- That's .21 cents of 3.50

That means you have to pay an extra 21 cents. Add that to the $3.50 you had to pay.

$3.50 + $0.21 = $3.71 <-- Price after tax
6 0
3 years ago
Read 2 more answers
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