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Yakvenalex [24]
2 years ago
13

What is arcsin(cos3/5) Giving brainliest please help

Mathematics
2 answers:
quester [9]2 years ago
8 0

Answer:

(cos(3°) / 5) = 0.201078184 radians

Step-by-step explanation:

iragen [17]2 years ago
6 0

Answer:

\frac{5\pi-6 }{10}

Step-by-step explanation:

We know -pi/2 < x < pi/2

We also know that a = arcsin(b)

so sinx = cos3/5

We will then be left with (5pi-6)/10 in radians, or 55 degrees

Best of luck

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Explain in your own words what a transformation is.
dybincka [34]
A transformation is when something or someone goes through a physical or chemical change.


Please hope this helps
3 0
3 years ago
Twice a number increased by 10 is 4. Find the number
Serjik [45]

Answer:

negative 3

Step-by-step explanation:

so if you know basic algebra you can make an equation 2x+10=4 simplify it to x+5=2 and if you subtract 5 from both sides you end up with x=negative three

3 0
2 years ago
Peter takes16 minutes longer to mow the lawn by himself than Charles . Together they can mow the lawn in 18 minutes. How long wi
lapo4ka [179]

Answer:

  about 29.7 minutes

Step-by-step explanation:

If it take c minutes for Charles to mow the lawn by himself, it takes c+16 minutes for Peter. The two of them working together can mow in one minute this fraction of the entire lawn:

  1/c + 1/(c+16) = 1/18

Multiplying by 18c(c+16), we get ...

  18(c +16) + 18(c) = c(c+16)/18

  36c +288 = c^2 +16c

  c^2 -20c = 288 . . . . . subtract 36c

  c^2 -20c +100 = 388 . . . . . add (20/2)^2 = 100 to complete the square

  (c -10)^2 = 388

  c = 10 +√388 ≈ 29.6977 . . . . . take the positive square root

It takes Charles about 29.7 minutes to mow the lawn by himself.

7 0
2 years ago
What is the area of the figure?
mrs_skeptik [129]
We see that the shape is made up of 2 shapes:
trapezoid and triangle
(trapezoid is on top of upside down triangle)

area of trapezoid=(1/2)(b1+b2)(h)
area of traignel=(1/2)(b)(h)

area of trapezoid
b1=14
b2=18
h= ok so total height=17 and 12 is taken up by triangle os therefor h=17-12=5

A=(1/2)(14+18)(5)
A=(1/2)(32)(5)
A=(16)(5)
A=(80)




now area of triangle
H=12
B=18
A=(1/2)(18)(12)
A=(9)(12)
A=108

add
80+108=188


total area=188mm^2
5 0
3 years ago
92ft long and 48 wide resurface 2.75$
Murljashka [212]
2.75$ is a wider surface because if you put it in present than you will get a larger number than 92ft long and 48 wide
5 0
2 years ago
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