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dem82 [27]
3 years ago
8

Evaluate csc (3pi/14) and cot (5pi/12) using a calculator.

Mathematics
1 answer:
ELEN [110]3 years ago
5 0
The drop down answers are
csc= 1.604
cot= .268
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In a survey of 12 people, it was found that an average of $36 was spent on their child's last birthday gift with a standard devi
Nataliya [291]

Answer:

(27.3692 ; 44.6308)

Step-by-step explanation:

Mean, xbar = 36

Standard deviation, s = 11

Sample size, n = 12

Tcritical at 0.2, df = 12 - 1 = 11 ; Tcritical = 2.718

Confidence interval :

Xbar ± Margin of error

Margin of Error = Tcritical * s/sqrt(n)

Margin of Error = 2.718 * 11/sqrt(12) = 8.6308

Confidence interval :

Lower boundary : 36 - 8.6308 = 27.3692

Upper boundary : 36 + 8.6308 = 44.6308

(27.3692 ; 44.6308)

3 0
3 years ago
Given g(x) = -X – 1, solve for x when g(x) = 3.
Vika [28.1K]

Answer:

-4 = x

Step-by-step explanation:

g(x) = -X – 1

g(x) = 3

3 = -x-1

Add 1 to each side

3+1 = -x-1+1

4 = -x

Multiply by -1

-4 = x

8 0
3 years ago
Read 2 more answers
Can someone plz help me? :(
TiliK225 [7]

the answer to your question is B.) 12x

7 0
2 years ago
HELLPPPP! WILL GIVE BRAINLIEST!
MArishka [77]
6.15x = 123
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3 0
3 years ago
Which expression is equivalent to this expression?
Lyrx [107]

Answer:

a-4b

Step-by-step explanation:

you combine like terms,  (-6b)+2b=-4

4a-3a=1a or just a

then you get your awsner a-4

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3 years ago
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