What is the answer in feet to this question

Mathematics

1 answer:

telo118 [61]3 years ago

5 0

Don’t click the link it’s a ip logger

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Leo has a total of 45 cents. He has some dimes and pennies. How many combinations of dimes and pennies could leo have?

Lynna [10]

The list of possible combination of Leo's 45c is below. He could have 0 dimes and 45 pennies, 4 dimes and 5 pennies, 2 dime and 25 pennies, 1 dimes and 35 pennies, 3 dimes and 15 pennies.Leo would have 5 different combination and if you want to have it in table just put the numbers in the table with dimes on one side and pennies on the other.

5 0

3 years ago

Suppose 232subjects are treated with a drug that is used to treat pain and 50of them developed nausea. Use a 0.01significance le

Margarita [4]

Answer:

The correct option is B

$t = 0.6093$

$p-value = 0.27116$

The correct option is D

Step-by-step explanation:

From the question we are told that

The sample size is $n = 232$

The number that developed nausea is X = 50

The population proportion is p = 0.20

The null hypothesis is $H_o : p = 0.20$

The alternative hypothesis is $H_a : p > 0.20$

Generally the sample proportion is mathematically represented as

$\r p = \frac{50}{232}$

$\r p = 0.216$

Generally the test statistics is mathematically represented as

=> $t = \frac{\r p - p }{ \sqrt{ \frac{p(1- p )}{n} } }$

=> $t = \frac{ 0.216 - 0.20 }{ \sqrt{ \frac{ 0.20 (1- 0.20 )}{ 232} } }$

=> $t = 0.6093$

The p-value obtained from the z-table is

$p-value = P(Z > 0.6093) = 0.27116$

Given that the $p-value > \alpha$ then we fail to reject the null hypothesis

5 0

3 years ago

What is the LCD of 1/9,1/27,8/45<br> HELP ASAP PLEASE

Alla [95]

to get the LCD we should start by doing a quick prime factoring of each denominator, as you see in the picture below.

the factors in red are the common factors to all values, and they are used in the LCD only once, the other not common factors in blue, they're used in the LCD.