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Setler [38]
3 years ago
12

Find all solutions to the equation. cos x = sin x (6 points)

Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

Step-by-step explanation:

cos x=sinx

divide by cos x

1=tan x

tan x=1

tan x=1=tan \frac{\pi }{4}=tan (n\pi +\frac{\pi }{4})\\x=n\pi +\frac{\pi }{4} ,\\where~n~is~an~integer.

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During a sale, CDs that normally cost $6.98 each were priced at 2 for $12.50. Pete bought 4 CDs at the sale price. How much mone
RSB [31]

Answer:

2.92

Step-by-step explanation:

Normal price

4 * 6.98 =27.92

Sale price

2 for 12.50   means 4 at 2* 12.50

2*12.50 = 25

Subtract

27.92-25=2.92

He saved 2.92

4 0
3 years ago
Can someone explain to me how I am supposed to do this please?
balandron [24]
I think Sam is correct cuz SQ is a bigger rectangle and for OM it is smaller and we only know the width
8 0
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A marine biologist is studying the growth of a particular species of fish. She writes the following equation to show the length
inn [45]

Answer:

The original function is f(m) = 5(1.07)^m, with the m as an exponent

part A) if the final length is 9.19, we can set f(m) = 9.19 and solve for m

plugging it into a calculator, I get m = ~8.99, so a bit less than 9. therefore, a reasonable domain might be all the m values 9 or below, or m ≤ 9

part B) the y-intercept of a function is the value of the independent variable when the dependent variable = 0. the two variables in your problem are height and number of months - which one do you think is the independent one, and which one is dependent? then re-interpret "value of the independent variable when the dependent variable = 0" in terms of the actual quantities that the variables represent

part C) average rate of change from m = 1 to m = 9

f(9)−f(1)9−1

evaluate, and think about what that represents in terms of height and number of months

8 0
4 years ago
Read 2 more answers
Two cones are cut by a plane as shown, where the plane is perpendicular to the bases. The cross-section of the cones and the pla
Ira Lisetskai [31]

Answer:

  D) a hyperbola

Step-by-step explanation:

IMO, the image is not helpful, as it suggests the ends of the curve are nearly parallel to each other. In fact, the ends of the curve asymptotically approach straight lines parallel to the sides of the cone. That is, there are asymptotes that form an X shape. This is a characteristic of a hyperbola.

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A parabola is formed when the plane cuts the cone parallel to one side. That cut plane only intersects one nap of the cone. At a shallower angle yet, one gets an ellipse. Parallel to a base, one gets a circle.

3 0
3 years ago
43
blsea [12.9K]
What is the question
5 0
3 years ago
Read 2 more answers
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