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zavuch27 [327]
3 years ago
13

Solve pls brainliest

Mathematics
1 answer:
kvasek [131]3 years ago
5 0

Answer:

7.5 < 7.5061 < 7.56 < 9.213

Step-by-step explanation:

You might be interested in
Without using a trigonometric ratio, find the distance from the ship to the buoy, B. Round the distance to the nearest tenth of
alexdok [17]
Without using the trigonometry ratio, we can find the distance between the ship and the buoy by:

the distance between City and Lemont SUBTRACT the vertical distance between City and the point parallel to the Ship

The distance between the City and Lemont can be worked out using the Sin rule 
\frac{57.8}{sin(36)}= \frac{City-Lemont}{sin(92)}
City-Lemont= \frac{57.9sin(92)}{sin(36)} = 98.27.....≈98.3

The vertical distance between the City and the point parallel to the ship can be worked out using the Pythagoras theorem
\sqrt{57.8^{2}- 44.6^{2} } =36.765...≈36.8

The distance between the ship and the Buoy is given:
98.3-36.8=61.5 miles

5 0
3 years ago
3. Students arrive at an ATM machine in a random pattern with an average inter-arrival time of 3 minutes. The length of transact
svp [43]

Answer:

The probability that a student arriving at the ATM will have to wait is 67%.

Step-by-step explanation:

This can be solved using the queueing theory models.

We have a mean rate of arrival of:

\lambda=1/3\,min^{-1}

We have a service rate of:

\mu=1/2\,min^{-1}

The probability that a student arriving at the ATM will have to wait is equal to 1 minus the probability of having 0 students in the ATM (idle ATM).

Then, the probability that a student arriving at the ATM will have to wait is equal to the utilization rate of the ATM.

The last can be calculated as:

P_{n>0}=\rho=\dfrac{\lambda}{\mu}=\dfrac{1/3}{1/2}=\dfrac{2}{3}=0.67

Then, the probability that a student arriving at the ATM will have to wait is 67%.

4 0
3 years ago
50% of all the cakes Lucy bakes that week were party cakes 1-5 fruit cakes and remainder were sponge cakes what percentage of ca
Stells [14]

30% were sponge cakes because you do 1/5=0.2 or20%+50%=70% and 100%-70%=30% so 30% is your answer.
4 0
3 years ago
What is2,852.1 rounded to the nearest tenth
Trava [24]

Answer:

The Answer is 2852.1

Step-by-step explanation:

Rounding off means simplifying the number while keeping it close to its true value. The "tenth" position is the 1st number to the right after decimal place. The number in the tenth position is 1, and there are no numbers to the right after that.

If there were any numbers to the right of the tenth position we will have to follow the following rules to round off to the nearest tenth.

If the number to the right of tenth place is less than 5 then keep the same number in the tenth place.

If the number to the right of the tenth place is 5 or more than 5 add one to the number in the tenth position.

In here as there is 0 after tenth position we can keep the same number, that is 1.

So 2852.1 rounded off to the tenth position is 2852.1.

7 0
3 years ago
Sonja has a bank account balance of $1400. Each week, her balance changes by −$85.25. She wants to keep the balance above $377.
Ann [662]

Answer:

1400-327=1023

1023/85.25=12

Sonja's balance will remain above $377 for 11 weeks (her balance will be at $377 at 12 weeks).

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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