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olga2289 [7]
3 years ago
8

Express 30 minutes per day as a ratio in simplest form.

Mathematics
2 answers:
alexandr1967 [171]3 years ago
8 0
I believe it's 30:365 or you can write it as 30/365 as a fraction or just 30 to 365 .
noname [10]3 years ago
3 0
1 Day= 24 hours
= 24 ×60 minutes
= 1440
30:1440
=1:48

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) The manager of a local Gap store estimates that on average the probability of a customer entering the store and will purchase
xeze [42]

Answer: 1. 0.0256

2. 0.4096

Step-by-step explanation:

Binomial probability formula , to find the probability of getting x successes:

P(x)=^nC_xp^x(1-p)^{n-x} , where n= Total number of trials

p= Probability of getting success in each trial.

Let x be the number of customers will make purchase.

As per given , we have

p= 0.20

n= 4

1. The probability that 3 of the next 4 customers will make a purchase will be:-

P(x=3)=^4C_3(0.20)^3(1-0.20)^{4-3}

P(x=3)=(4)(0.20)^3(0.80)^{1}\ \ [\because\ ^nC_{n-1}=n]

P(x=3)=(4)(0.008)(0.80)=0.0256

Hence, the probability that 3 of the next 4 customers will make a purchase = 0.0256

2. The probability that none of the next 4 customers will make a purchase will be :

P(x=0)=^4C_0(0.20)^0(1-0.20)^{4-0}

P(x=0)=(1)(0.80)^{4}\ \ [\because\ ^nC_{0}=1]

P(x=0)=0.4096

Hence, the probability that none of the next 4 customers will make a purchase= 0.4096

5 0
3 years ago
If x=2 ,y=12 and x=4,y=3,find n and k if y is inversely proportional to x and k is a constant
Setler [38]

question:

x=2 ,<em>y</em>=12 and x=4,y=3,find n and k if y is inversely proportional to x and k is a constant

answer:

k=12 x=3 n=4

explain:

that the answer because the question said find the k and x and n so I find them

8 0
2 years ago
First, and correct answer gets brainliest, also worth 50 points
pishuonlain [190]

One angle be x

  • other is 2x-6

ATQ

\\ \sf\longmapsto x+2x-6=90

\\ \sf\longmapsto 3x-6=90

\\ \sf\longmapsto 3x=96

\\ \sf\longmapsto x=32

\\ \sf\longmapsto 2x-6=2(32)-6=58°

4 0
2 years ago
Read 2 more answers
If the surface area of the box of cereal is 272 inches squared, find the length of the box.
LekaFEV [45]

Answer:

x= 8 inches

Step-by-step explanation:

you left out the other lengths but since i had this same question once, the other lengths are 12 and 2-

dimensions of the box:

12 in x 2 in x ?

=272 square inches

and we know that there are 6 faces

area=  2 *(12 * 2) + 2 *(2*x) + 2 *(12*x)

area = 272 sq. in.  = 48 + 4x + 24x

272 = 48 + 28x

272 - 48 = 28x

224 = 28x

x = 8 inches

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

5 0
3 years ago
can someone please help me out with this problem i been trying to figure out what the answer is .. ? or at least give me some ti
k0ka [10]

Answer: sin

Step-by-step explanation:

5 0
3 years ago
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