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Elenna [48]
3 years ago
9

I need help I will give brainiest​

Mathematics
1 answer:
timofeeve [1]3 years ago
8 0
14. the answer is 60
15. the answer is 150
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Help please! This is a Calculus AB question!
Lynna [10]

Answer:

½ ln 3

Step-by-step explanation:

∫ sec²x / tan x dx

If u = tan x, then du = sec²x dx.

∫ du / u

ln|u| + C

ln|tan x| + C

Evaluate between π/4 and π/3.

ln|tan(π/3)| + C − (ln|tan(π/4)| + C)

ln|√3| + C − ln|1| − C

ln(√3)

½ ln 3

7 0
3 years ago
Please help me
stellarik [79]

Answer:1.00

Step-by-step explanation:I misses u

8 0
3 years ago
Read 2 more answers
Linda is sending out cards.If envelopes come in boxes of 25 and stamps come in packs of 10,what is the least number of stamps an
chubhunter [2.5K]
25*2=50
10*5=50
so 2 packets of envelopes and 5 packets of stamps
3 0
4 years ago
John was told that his IQ score was 3 standard deviations above the mean. If IQ scores were approximately normal with μ=93 and σ
Darina [25.2K]

9 is the standard deviation in this problem. The mean iq score is 93.

This meant that his IQ score is 93+9*3=93+27=120 :) also this john person is really smart im jealous :(

4 0
3 years ago
How do you use the order of operations to solve this problem:
Delicious77 [7]
First you do “Parenthesis”. So add to get 11. Next you do “Multiplication”. So multiply 7 and 11 to get 77. Last you do “Subtraction”. Final answer is 73.
7 0
3 years ago
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