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DedPeter [7]
3 years ago
12

HELP ASAP WILL GIVE BRAINLIEST!!!!!!!!!!!!! AND 50 POINTS

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
6 0
Your answer is c, hope this helps, ask me any questions if needed+
sasho [114]3 years ago
5 0

Answer:

C. 53%

Step-by-step explanation:

From the table, we see that,

The number of families in Survey 1, 3 and 4 are increasing as the number of pets increases.

But, that is not happening in Survey 2. This might be due to some bias.

<em>Thus, Survey 2 is most likely to be biased.</em>

So, we get the unbiased survey are 1, 3 and 4.

So, the number of families in these surveys having 2 or more pets are,

Survey 1 = 25,        Survey 3 =  27,          Survey 4 = 27

So, the total number of families having 2 or more pets = 25 + 27 + 27 = 79

Also, the total number of families for the 3 surveys = 50 + 50 + 50 = 150

Thus, the percent of families having 2 or more pets = \frac{79}{150}\times 100 = 52.7% ≈ 53%

Hence, option C is correct.

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krek1111 [17]
The volume of a cone is 1/3 x pi x radius^2 x height, so after substituting the values, we have the equation 1/3 x 3.14 x 3^2 x 10, and we have 3^2 because the radius is half the diameter. First, 3^2 = 9, and 1/3 x 3.14 is approximately 1.046. 1.046 x 9 = 9.414, and lastly, 9.414 x 10 = 94.14. So the approximate volume of the funnel is 94.14.
4 0
4 years ago
In Hawaii a volcano is about to explodel At 6:00 am a device placed inside the volcano
faust18 [17]

Complete question :

In Hawaii a volcano is about to explodel At 6:00 am a device placed inside the volcano

measures the temperature at 69.5 degrees Celsius. Every 3 minutes the temperature

rises 1/5 a degree. If the Volcano explodes at 145.5 degrees Celsius how many hours do

they have to evacuate a nearby city?​

Will Mark BRAINLIEST to the correct answer

Answer:

19 hours

Step-by-step explanation:

Given that:

Temperature of volcano at 6:00 am = 69.5°C

Average rise in temperature per 3 minute = 1/5

Hence, rise in temperature per minute = 0.0666666°C

Temperature at which volcano will explode = 145.5°C

Hence, change in temperature :

(145.5°C - 69.5°C) = 76°C

Hence, temperature will have to rise by 76°C

Rise in temperature / rate of temperature increase

= 76°C / 0.0666666°C

= 1140.0011 minutes

= 1140.0011 / 60

= 19.0000019 hours

= 19 hours

4 0
3 years ago
Which of the following functions best represents the graph?
agasfer [191]

Answer:

f(x)=(x-2)(x+2)(x-4)

4 0
3 years ago
Translate the sentence into an equation.
Amiraneli [1.4K]
X+3=45 find the answer to X
8 0
4 years ago
Read 2 more answers
1.Find the side of a cube whose surface area is 5400 square.cm?
Marta_Voda [28]

Answer:

30 cm

Step-by-step explanation:

Step 1: The surface area of  a cube = 6a^2, where "a" is the side of the cube.

Step 2: We are given surface area of a cube = 5400.

Step 3: Now plug in the surface area of the cube = 5400 and simplify.

5400 = 6a^2

a^2 = 5400/6

a^2 = 900

Now take square root on both sides, we get

a = √900

a= 30 cm

Therefore, the side of the cube is 30 cm.

Thank you.

7 0
4 years ago
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