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3 years ago

12

George has $23 to spend on art supplies he wants to buy markers papers and glue if the total cost of markers and papers is more

than $14 which inequality represents the dollar amount P George can spend on glue

1 answer:

Mariana [72]3 years ago

5 0

P< 9
i think that is the correct answer

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Some IQ tests are standardized based on the assumption that the population mean is 100 and the standard deviation is 15. Test gr

aleksandr82 [10.1K]

Answer:

0.952

Step-by-step explanation:

we know that

here standard error =std deviation÷(n)^1/2

=15/(25)^1/2 =15/5=3

Assuming that IQ scores are normally distributed

Now, probability of a Type II error

=P(X<110) = P(Z<(110-105)/3)=P(Z<1.67)

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the power of the test if the true population mean is 105 = 0.952

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4 years ago

What aspects of lines have to be diffrent

Naya [18.7K]

Answer:

If two lines are parallel, they are pretty much completely the same. I mean, the length can be different. You could have a millimeter long line below a infinite line, as long as they are going the exact same direction making them parallel. Also, I guess the thickness could be different haha.

Step-by-step explanation:

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3 years ago

Within the set of whole numbers , one set of numbers satisfies the recursive formula an=(an-1)^2-an-1, when a4=870 what are the

andrew11 [14]

Answer: 3 and 6 will be the first and second term of the given series respectively.

Explanation: since it is given- $a_n=(a_{n-1} )^2-a_{n-1}$ and $a_4=870$

so, by replacing n by 4, we will get- $a_4=a_3^2-a_3$ ⇒870= $a_3^2-a_3$ ⇒ $a_3^2-a_3-870=0$

after solving this equation we will get, $a_3= -29$ and 30.

If $a_3= -29$ , but it is not a whole number.

Thus, $a_3=30$ will be the value of third term of the given series.

Again, by applying the given condition $a_n=(a_{n-1} )^2-a_{n-1}$ , $a_2= 6$ or -5 (not possible), so, $a_2=6$ will be the second term.

Similarly, $a_1=3$ or -2 but we will go to the whole number.

Thus, $a_1=3$ will be the first term.

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Answer:

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Dev hogs 8 1/2 miles in 1 1/2 hours

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Answer:

Sorry, don’t know that one ‍♀️

Step-by-step explanation:

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