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Yuliya22 [10]
3 years ago
10

HELPPPPPPPPPPONLY HAVE AN HOUR LEFT Q:A number y Increased by 4 is least 25

Mathematics
1 answer:
Wittaler [7]3 years ago
8 0

Answer:

y + 4 ≥ 25

if y is increased by 4 and is at least 25

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Helpppppp pleaseeee
andrezito [222]

Answer:

To know what the answer is

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f
STALIN [3.7K]

Answer:  b) 84

Step-by-step explanation:

Let p be the prior estimate of the required proportion.

As per given , we have

p =0.5   (The probability of getting heads on a fair coin is 0.5)

Significance level : \alpha: 1-0.90=0.10\\

Critical z-value (using z-value table ) : z_{\alpha/2}=1.645

Confidence interval width : w= 0.18

Thus , the margin of error : E=\dfrac{w}{2}=0.09

Formula to find the sample size ( if prior estimate of proportion is known.):-

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2

Substitute the values , we get

n=0.5(1-0.5)(\dfrac{1.645}{0.09})^2

Simplify ,

n=83.5192901235\approx84  [Round of to the next whole number.]

Hence, the number of times we would have to flip the coin =<u>84</u>

hence, the correct answer is b) 84

8 0
3 years ago
In a class room 3/10 of the students are wearing blue shirts and 3/5 are wearing white shirts there are 20 students In The class
shtirl [24]

Total number of students in the class = 36

Number of students wearing blue shirts = (1/6) * 36

                                                                = 36/6

                                                                = 6

Number of students wearing white shirts = (2/3) * 36

                                                                 = 2 * 12

                                                                 = 24

Then

Number of students not wearing blue or white shirts in the class = 36 - (6 + 24)

                                                                                                       = 36 - 30

                                                                                                       = 6

So 6 students in the class are wearing a shirt other than a blue or a white shirt. I hope the procedure is clear enough for you to understand.

5 0
3 years ago
Please help me with geometry ASAP!!!
Makovka662 [10]

Answer:

asking all these questions why you asking all these questions

Step-by-step explanation:

4 0
3 years ago
Please answer correctly !!!!!!!!! Will mark brianliest !!!!!!!!!!!!!
Snowcat [4.5K]

Answer:

$12,000,000

Step-by-step explanation:

The maximum will be the vertex and because this is written in vertex form the vertex will be (5, 12) so the maximum income will be 12 million dollars.

7 0
3 years ago
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