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elena55 [62]
3 years ago
5

Which equation should be used to graph y=sec^-1(x) on a calculator ?

Mathematics
1 answer:
erastova [34]3 years ago
4 0
Arcsecant or arcsec or sec⁻¹ is an inverse trigonometric function. And many calculators don't have a key for them because they can be calculated with basic trigonometric functions like so:

sec⁻¹(x)=cos⁻¹(1/x). 

So the correct answer is the fourth one: y=cos⁻¹(1/x).
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Please urgent fast thanks
stich3 [128]

Answer:

A) I = $171.73

B) $4771.73

Step-by-step explanation:

We are told her loan is $4600 for 7 months.

Thus;

Principal; P = 4600

Time; T = 7 months = 7/12 year

Interest rate is given as 6.4%

Thus; r = 6.4

A) To get the interest, the Formula is;

I = PRT/100

I = (4600 × 6.4 × (7/12))/100

I = $171.73

B) Since interest is $171.73, it means amount she owes after the 7 months = $4600 + $171.73 = $4771.73

6 0
3 years ago
When you go to a restaurant you pay a 15% tip on a $80 bill. How much total did you pay?
kirza4 [7]

Answer:

12 i think. I used a calculator ngl. but I think it's 12$

4 0
3 years ago
Read 2 more answers
What is the gcf of 96^5 and64^2
Arada [10]
8 is the gcf .........
8 0
3 years ago
A water trough is 9 m long and has a cross-section in the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 70 c
ella [17]

Answer:

dv = surface area * dh

so

dv/dt = surface area * dh/dt

width at surface = 40 + (80-40)(30/40)

= 40 + 30 = 70 cm = 0.70 m

so

surface area = 9 * .7 = 6.3 m^2

so

.3 m^3/min = 6.3 m^2 * dh/dt

and

dh/dt = .047 meters/min or 4.7 cm/min

Step-by-step explanation:

7 0
3 years ago
Reason abstractly. Are all horizontal lines parallel? Use slope<br> explain how you know.
ohaa [14]

Answer:

All horizontal lines are NOT parallel.

Step-by-step explanation:

We learned that lines go on forever.  

If one line is slightly slanted, and the other line is completely straight,  these lines are not parallel, as they will meet at some point.

Hope this helped :)

6 0
3 years ago
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