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ankoles [38]
2 years ago
12

Which graph represents the function y = cos(4x)?

Mathematics
1 answer:
nydimaria [60]2 years ago
5 0
I jus need points so but I’m doing the same thing so I think it’s 3
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PLEASE HELP making brainliest if correct
zloy xaker [14]
Yes they are congruent because both of them are equilateral triangles
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3 years ago
A camper can travels 17km in 39 min. What is the average speed on the van?​
iogann1982 [59]

Answer:

0.435897 km per minute

Step-by-step explanation:

7 0
3 years ago
A home pregnancy test is not always accurate. suppose the probability that the test indicates that a woman is pregnant when she
Gnom [1K]
Set Events:
T=tests positive~T=tests negativeP=subject is pregnant~P=subject is not pregnant
We are givenP(T n ~P)=0.02P(~T n P)=0.03P(P)=0.7
recall by definition of conditional probabilityP(A|B)=P(A n B)/P(B)

Need to find P(P|~T)
First step: make a contingency diagram of probabilities (intersection, n)
          P       ~P       sum 
T       0.67   0.02     0.69=P(T) 
~T     0.03   0.28     0.31=P(~T) 
sum   0.70  0.30     1.00
      =P(P)  =P(~P)

therefore
P(P|~T)=P(P n ~T)/P(~T)=0.03/0.31   [ both read off the contingency table ]
=0.0968

4 0
3 years ago
Jeremy is randomly selecting ans outfit to celebrate probability day at his school.He can chose from a green or purple shirt, de
viva [34]
Jeremy can choose his outfit in following ways:
2 ways to select a shirt
2 ways to select a pant
2 ways to select socks
3 ways to select the footwear.

Total number of ways to select the dress = 2 x 2 x 2 x 3 = 24 ways

Jeremy will select an outfit that includes flip-flops, argyle socks and denim pants. The shirt is not specified, so the shirt can be any.

So there are 2 ways to select a shirt, 1 way to select the pant, socks and footwear. So Jeremy can select the desired outfit in 2 ways.

Thus, the probability that Jeremy will select an outfit that includes flip-flops, argyle socks and denim pants = 2/24 = 1/12
8 0
3 years ago
6. Courtney bought a shirt for $24 with a
7nadin3 [17]

let the original price be x.

then,

x- 25% of x= 24

x- 25x/100 = 24

x-   x/4=24

3x/4=24

3x= 96

x= 32

in short...the original price= 32 dollars

8 0
3 years ago
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