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Neko [114]
2 years ago
12

Which figure has the same number of faces?

Mathematics
1 answer:
Dvinal [7]2 years ago
4 0
Rectangular pyramid and triangular pyramid.
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HELP ME HELP ME <br><br> What is the slope of the line?
satela [25.4K]
I think it is - 1/2
Or it could be 1/2 I am not that sure
Someone correct me if I am wrong
But I think it is - 1/2
3 0
3 years ago
How much does an ice cream cost with 11 ounces of toppings? If they charge $3.00 for an ice cream, plus 50 cents per ounce of to
arlik [135]

Answer:

$8.50

Step-by-step explanation:

multiply 0.50 by 11 to get 5.5 and then add the 3 dollars from the ice cream to get 8.5 - make sure to change 8.5 to $8.50

5 0
2 years ago
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What is the measure of o?
Anna71 [15]

Answer:

2π radians

Step-by-step explanation:

4 0
3 years ago
In a random sample of 5 residents of the state of Texas, the mean waste recycled per person per day was 1.9 pounds with a standa
sammy [17]
<h2>Answer with explanation:</h2><h2 />

The confidence interval for population mean is given by :-

\overline{x} \pm\ t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

Given : Sample size : n= 5, since n<30 , so the test we use here is t-test.

Sample mean : \overline{x}=1.9\text{ pounds}

Standard deviation: \sigma=0.89\text{ pounds}

Significance level : 1-\alpha:1-0.99=0.01

By using the standard normal distribution table , the critical value corresponds to the given significance level will be :-

t_{n-1,\alpha/2}=t_{5-1,0.01/2}=t_{4,0.005}=4.604

Now, the 99% confidence interval for the mean waste recycled per person per day for the population of Texas will be :-

1.9\pm\ (4.604)\dfrac{0.89}{\sqrt{5}}\\\\\approx1.9\pm1.832\\\\=(1.9-1.832,1.9+1.832)=(0.068,\ 3.732)

Hence, the 99% confidence interval for the mean waste recycled per person per day for the population of Texas  = (0.068, 3.732)

5 0
3 years ago
 1. Find the VALUE of 7x + 3y, when x = 12 and y = -6.
denis23 [38]

Answer:

1.7(12) + 3(-6) = 84 - 18 = 66

8 0
3 years ago
Read 2 more answers
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