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nika2105 [10]
3 years ago
7

Please help on number 3.

Mathematics
1 answer:
castortr0y [4]3 years ago
6 0
Plug in 50 for x on the equation for the trend line
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What is the equation of the circle with center (5,-4) and radius 4
Ede4ka [16]
16 is the right one
4 0
3 years ago
4x-1=5x+11<br> what is the soultion
Bezzdna [24]

Answer:

4x - 1 = 5x + 11 \\  - 1 - 11 = 5x - 4x \\  - 12 =  x

x=-12

5 0
3 years ago
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A cube has a volume of 216cm/3.what is the area of the base of the cube
Anettt [7]

Answer: 36 cm^2

Step-by-step explanation:

Hello!

We can start by finding the cube root of 216, which is 6. This is the length of each side of the cube.

Now, the area of the base of the cube is equal to 6^2=36 cm^2.

7 0
3 years ago
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Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. Find the probability that a randomly s
GaryK [48]

Answer:

The bill size can be considered usual.

Step-by-step explanation:

Mean (μ) = $108.43

Standard deviation (σ) = $36.98

Now, consider the distribution to be normal distribution :

P(Z=\frac{X-\mu}{\sigma}>\frac{a-\mu}{\sigma})=P(Z>\frac{173-108.43}{36.98})\\\\\implies P(Z>1.75)

Now, finding values of z-score from the table. We get,

P(Z > 1.75) = 0.9599

⇒ 95.99%

So, only 4.01 % of the people in the city wastes water.

Hence, the bill size can be considered usual.

6 0
3 years ago
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Find the nth term of each of the sequences.<br> (a) 16, 19, 22, 25, 28, ...<br> (b) 1,3,9,27,81,...
juin [17]

Answer:

a) 16, 19, 22, 25, 28, 31, 34, 37, 40

b) 1, 3, 9, 27, 81, 243, 729, 2187

<h3>Explanation:</h3>

a) Add 3 on every number.

b) Multiply every number by 3.

6 0
3 years ago
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