2 years ago

Please help me I’m begging you please

1 answer:

5 0

Y=6 because if you multiply 2/3 by 6 you get 12/3 and reducing it, that becomes 4. If you did 4 then the answer would be 8/3 and reducing that is 2 2/3

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The time (in number of days) until maturity of a certain variety of tomato plant is Normally distributed with mean μ. You select

VLD [36.1K]

Answer: 60.93 < μ < 69.07

Step-by-step explanation: The true mean of a set of data is between an interval of values with a percentage of precision, e.g., a <u>99% confidence interval</u> means we are 99% confident the true mean is between the lower and upper limits.

To find the interval, use

x± $z\frac{s}{\sqrt{n}}$

z is z-score related to the % of confidence level

In this case, a 99% confidence interval is 2.576

x is sample mean

Calculating:

$x=\frac{63+69+62+66}{4}$

x = 65

65± $2.576\frac{3.16}{\sqrt{4}}$

65±4.07

Confidence Interval: 60.93 < μ < 69.07

Meaning that we are 99% sure the population means is between 60.93 and 69.07.

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2 years ago

Leave the answer in simplest form ?

lions [1.4K]

Tan is opposite÷ adjacent.
So tan(d) = 7÷24. It is already in the simplest form.

Rate and Thanks!

4 0

2 years ago

In ΔUVW, the measure of ∠W=90°, the measure of ∠V=71°, and VW = 55 feet. Find the length of UV to the nearest tenth of a foot.

Katarina [22]

Answer:

168.9 feet

Step-by-step explanation:

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2 years ago

So I'm still trying to figure out but tell me. What are two demicals rounded to 1.5

Andrej [43]

451.76 and <span>451.7576 these two</span>

7 0

2 years ago

Write an equation of a circle with a center at (2, - 4) and a radius of 4.

fgiga [73]

9514 1404 393

Answer:

(x -2)^2 +(y +4)^2 = 16

Step-by-step explanation:

The equation of a circle with center (h, k) and radius r is ...

(x -h)^2 +(y -k)^2 = r^2

You have (h, k) = (2, -4) and r = 4, so your equation is ...

(x -2)^2 +(y -(-4))^2 = 4^2

(x -2)^2 +(y +4)^2 = 16

6 0

2 years ago