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Archy [21]
3 years ago
7

Can someone help please!

Mathematics
1 answer:
faust18 [17]3 years ago
8 0

Answer:a) 0.35

B) 0.75

C) 0.65

D) 0.25

E) 1.1

F) 0.9

Step-by-step explanation:

Relative frequency= frequency/total number of value

A) 21/60= 0.35

B) 135/180= 0.75

C) 39/60= 0.65

D) 45/180= 0.25

E) Rf Male or female choosing sport utility car = 21/60 + 135/180 = 0.35 + 0.75= 1.1

F) Rf of male or female choosing a sport car= 39/60 +45/180= 0.65 + 0.25= 0.9

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Use the inverse function-inverse cofunction
vivado [14]

Answer:

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Step-by-step explanation:

<u>Use implicit differentiation:</u>

y=arccot(x)

cot(y)=x

\frac{1}{tan(y)}=x

\frac{cos(y)}{sin(y)}=x

\frac{dy}{dx}(\frac{cos(y)}{sin(y)})=\frac{dy}{dx}(x)

\frac{sin(y)(-sin(y))-cos(y)cos(y)}{sin^2(y)}*\frac{dy}{dx}=1 (Quotient Rule: \frac{d}{dx}(\frac{f(x)}{g(x)})=\frac{g(x)f'(x)-f(x)g'(x)}{(g(x))^2} )

\frac{-sin^2(y)-cos^2(y)}{sin^2(y)}*\frac{dy}{dx}=1

\frac{-(sin^2(y)+cos^2(y))}{sin^2(y)}*\frac{dy}{dx}=1

\frac{-1}{sin^2(y)}*\frac{dy}{dx}=1

-csc^2(y)\frac{dy}{dx}=1

\frac{dy}{dx}=\frac{1}{-csc^2(y)}

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\frac{dy}{dx}=-sin^2(arccot(x))

See the attached picture to understand how to evaluate the mixed composition of trig functions using a right triangle.

Therefore, the derivative of arccot(x) is -\frac{1}{\sqrt{1+x^2}}.

4 0
2 years ago
A bottle contains 568 millilitres of milk, jack pours out half a litre. How much milk is left
aleksandrvk [35]
284 which means 568 divide 2 gives u 284
3 0
3 years ago
Find slope plz and ty!!
babunello [35]

Answer:

1/2

Step-by-step explanation:

m=y2-y1/x2-x1

8-6=2

10-6=4

(2/4)/2=(1/2)

hope this helps :3

if it did pls mark brainliest

7 0
3 years ago
Danielle runs 1/5 of a mile in 4.5 minutes. if she continues at the same speed, how long will it take her to run two miles?
motikmotik
(1/5) / 4.5 = 2 / m....1/5 mile to 4.5 minutes = 2 miles to m minutes
cross multiply
(1/5)(m) = (2)(4.5)
1/5m = 9
m = 9 * 5/1
m = 45 minutes <===
4 0
3 years ago
I need some serious help rn, i got stuck
nordsb [41]

Answer:

I think it is add 11 both sides? If it is wrong i am sooooo sorry

Step-by-step explanation:

7 0
2 years ago
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