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maks197457 [2]
3 years ago
14

Is 3 times 2/7 less than 3

Mathematics
1 answer:
kenny6666 [7]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

You can set up your proportion as \frac{3}{1} * \frac{2}{7} you then multiply across to get \frac{6}{7}. Since this number is less than 1, it's definitely less than 3.

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Martina spends $15 each time she travels the toll roads. She started the month with $225 in her toll road account. The amount, A
PolarNik [594]

Answer:

$70 is what he would have left. Since each trip is $14 you would multiply that by the amount of times he went which was 11. 14x11 is $154. But you need what he has left so you take his total amount $224-$154 and get $70.

Part b.) 16 times. He has $224 total. You want to find out how many times he can go on the tool roads. We know the toll roads cost $14 each time. So you do $224/14 and get an even amount of 16. He would be able to use it 16 times before he have no money left.

Step-by-step explanation:

6 0
2 years ago
PLS ANSWER BOTH for more points :)
True [87]

Answer:

Number 16 is C and number 17 is D

Step-by-step explanation:

Can I get my points love these kind of questions

4 0
3 years ago
Convert the following percent to a fraction and decimal. (THIS IS NOT MULTIPLE CHOICE!!)
Mkey [24]

Answer:

90%=9/10=0.9

0.9=90%=9/10

900%=900/1000=0.9

9/10%=0.9=90%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the volume of the right circular cone that has a height of 16 inches and a base with a circumference of 4.5 inches. Round a
ivanzaharov [21]

Answer:

8.69 inches

Step-by-step explanation:

4.5C=0.72R

V=πr^2 h /3

V=π0.72^2 16 /3

V=8.69 Inches

I apologize for the hard to understand step-by-step but the way that the equation is set up is impossible to type out under the limitation. If you have any questions about it, just ask.

8 0
3 years ago
The number of people arriving for treatment at an emergency room can be modeled by aPoisson process with a rate parameter of 5/h
saveliy_v [14]

Answer:

(a) The probability of having exactly four arrivals during a particular hour is 0.1754.

(b) The probability that at least 3 people arriving during a particular hour is 0.7350.

(c) The expected arrivals in a 45 minute period (0.75 hours) is 3.75 arrivals.

Step-by-step explanation:

(a) If the arrivals can be modeled by a Poisson process, with λ = 5/hr, the probability of having exactly four arrivals during a particular hour is:

P(X=4)=\frac{\lambda^{X}*e^{-\lambda}  }{X!} =\frac{5^{4}*e^{-5}  }{4!}=\frac{625*0.006737947}{24} =\frac{4.211}{24}=0.1754

The probability of having exactly four arrivals during a particular hour is 0.1754.

(b) The probability that at least 3 people arriving during a particular hour can be written as

P(X>3)=1-P(X\leq3)=1- (P(0)+P(1)+P(2)+P(3))

Using

P(X)=\frac{\lambda^{X}*e^{-\lambda}  }{X!}

We get

P(X>3)=1-P(X\leq3)=1- (P(0)+P(1)+P(2)+P(3))\\P(X>3)=1-(0.0067+ 0.0337+ 0.0842 + 0.1404 )\\P(X>3)=1-0.2650=0.7350\\

The probability that at least 3 people arriving during a particular hour is 0.7350.

(c) The expected arrivals in a 45 minute period (0.75 hours) is

EV=\lambda*t=5*0.75=3.75

8 0
3 years ago
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