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Ann [662]
3 years ago
14

the cross section a b c d e f swimming pool is a trapezium with ab 14 that the swallow and is 1.5 metre and at the Dept and is 8

metre find the area​
Mathematics
1 answer:
Elodia [21]3 years ago
4 0
But the step by step explanation is:

answer.
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The volume of each cone round the answer to decimal places
snow_tiger [21]

Answer:

1. 322.01

Step-by-step explanation:

Formula: v=pi X r^2(h/3)

4 0
3 years ago
61 random samples of city rent prices are selected from a normally distributed population the samples have a mean of $738 and a
Alenkinab [10]

Answer:

(728, 748)

Step-by-step explanation:

You need the Z value which for 95% confidence interval is 1.96. The mean is $738 and the standard deviation of $41.

X-Zs/\sqrt{n} \\ X+Zs/\sqrt{n}

Therefore we can calculated the confidence interval

738-1.96\cdot{41}/\sqrt{61} =738-10.3

738±10.3

The interval is (728,748)

3 0
3 years ago
Please help me i really need this grade !
Goshia [24]

Answer:

C. 8

Step-by-step explanation:

still using the equation a^2 = b^2 = c^2

8 0
3 years ago
The variables x and y vary. Write an equation relating x and y. Then find y when x=-2. x=7, y=2.
Sphinxa [80]

Answer:

<h2>equation x=y</h2>

Step-by-step explanation:

<h2>x=ky</h2><h2>k=1</h2><h2>2=1×y</h2><h2>y=2</h2>
6 0
3 years ago
Pandas: There is a well-studied panda population in Wuyipeng. In 1981 there were 25 pandas and the researchers determined that t
Mademuasel [1]

The equation that models the data on pandas is FV = 25(1.066)^t.

<h3>What models the data?
</h3>

The formula for calculating future value of the pandas is:

FV = P (1 + r) ^n

  • FV = Future value
  • P = Present value
  • R = annual population growth
  • N = number of years

FV = 25(1.066)^t

To learn more about future value, please check: brainly.com/question/18760477

#SPJ1

8 0
2 years ago
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