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AURORKA [14]
3 years ago
8

Answer please !?? !!!

Mathematics
2 answers:
just olya [345]3 years ago
4 0

Answer:

d

Step-by-step explanation:

Rainbow [258]3 years ago
3 0
D :D Is the awnser :D :D
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Given sinx= −3/5 when 3π/2 < x < 2π, find tan x/2
GarryVolchara [31]

Answer:

B -⅓

Step-by-step explanation:

sinx = -3/5

Adjacent² = 5² - 3² = 16

Adjacent = 4

tan(x) = -3/4

-¾ = 2tan(½x)/[1 - tan²(½x)]

-3 + 3tan²(½x) = 8tan(½x)

3tan²(½x) - 8tan(½x) - 3 = 0

tan(½x) = 3, -⅓

5 0
3 years ago
Read 2 more answers
HELLPPPPP ASAP IM TAKING A TEST PLSS <br> Match each line with the correct equation:
sertanlavr [38]

Answer:

Y=x-1 is line n

y=-2x+4 is line m

y=4 is line t

x=-4 is line p

Step-by-step explanation:

5 0
2 years ago
If two lines are parallel and one has a slope of 1/6, what is the slop of the other linr?
Oksanka [162]
Parallel lines have the same slope, so the slope of the other line is also 1/6
8 0
3 years ago
Rich also has £400 pounds invest 3% compound interest . How many years does he need to invest the money to get at least £475
zepelin [54]

Answer: 6 years

Step-by-step explanation:

Formula to calculate compound amount: A=P(1+r)^t, where P= Principal , r=rate of interest, t= time

Given: P = £400, r = 3% = 0.03 , A= 475

Required equation: 400(1+0.03)^t\geq475

400(1.03)^t\geq475\\\\\Rightarrow\ (1.03)^t\geq\dfrac{475}{400}\\\\\Rightarrow\ (1.03)^t\geq1.1875

Taking log on both sides , we get

t \log 1.03\geq\log1.1875\\\\\Rightarrow\ t(0.0128372)\geq(0.0746336)\\\\\Rightarrow\ t\geq\dfrac{0.0746336}{0.0128372}=5.81385\approx6

Hence, he needs to invest the money for 6 years to get atleast £475.

7 0
2 years ago
What is the value of x if 8:15 ::16x
Nana76 [90]

Step-by-step explanation:

8:15::16:x

8x = 15 x 16

8x = 240

x = 240/8

x = 30

8 0
3 years ago
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