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nasty-shy [4]
3 years ago
5

Domain, range, symmetry and asymptotes of f(x)=sec2x

Mathematics
1 answer:
timofeeve [1]3 years ago
4 0
If every 2 sec = x that well mean that symmetry and asympotes well go together . 
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Suppose that a jewelry store tracked the amount of emeralds they sold each week to more accurately estimate how many emeralds to
Ratling [72]

Answer: point estimate = 3.88

Margin of error = 0.63

Step-by-step explanation:

Confidence interval is written in the form,

(Point estimate - margin of error, Point estimate + margin of error)

The sample mean, x is the point estimate for the population mean. Let m represent the margin of error. Since the confidence interval is given as (3.25 , 4.51), it means that

x - m = 3.25

x + m = 4.51

Adding both equations, it becomes

2x = 7.76

x = 7.76/2

x = 3.88

Substituting x = 3.88 into x + m = 4.51, it becomes

3.88 + m = 4.51

m = 4.51 - 3.88

m = 0.63

8 0
3 years ago
A rectangle Has an area of 252 yd.². The length of the rectangle is 10 yards longer than twice it’s worth. Find the width and le
Rama09 [41]

Answer:

Width = 9 yds

Length = 28 yds

Step-by-step explanation:

Width = x

Length = 2x + 10

Area is 252 yd²

x(2x + 10)  = 252

2x² + 10x - 252 = 0

2 (x + 14) (x - 9) = 0

(x + 14) (x - 9) = 0

x = - 14 or x = 9

Width = 9 yds

Length = 2x9 + 10 = 28 yds

7 0
3 years ago
Read 2 more answers
What is the range of f(x) = – 4?
aliya0001 [1]
Range is the value of the output
basically
y=f(x)
since it is -4

y=-4 is the range
not listed
7 0
3 years ago
Emily bought 51 yards of fabric to make curtains,
OLga [1]
51 x3 is 153 is 153 x 12 is 22032
3 0
2 years ago
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A circular piece of glass has a radius of 0.8 meters. The glass sells for $4.60 per square meter. What is the total cost of the
Mama L [17]

Here given that r= 0.8

Area of circular glass = area of circle = pi r^2

= 3.14 ( 0.8)^2 = 2.009 square meter

cost of one square meter = 4.60

cost of 2.009 square meter = 4.60 * 2.009 = 9.244

Answer $ 9.244 .

5 0
3 years ago
Read 2 more answers
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