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3 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics

2 answers:

alisha [4.7K]3 years ago

6 0

Answer: C

Step-by-step explanation:

When you are finding the area, the formula is A= Pi R^2.

The radius is half of the diameter. To get a diameter of 6, you have to multiply 3 by 2.

fredd [130]3 years ago

5 0

Answer:

Step-by-step explanation:

the area of a circles' expression is A = πr² this means that it is the radius to the second power multiplied by π. To find the radius, you have to find the diameter divided by two which is 3. This put into the expression is A = π3² or A = π(3)².

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jay spent 3/8ths of his life working for a company, if jay has been working for his current company for 15 years, how old is he

Oksana_A [137]

Answer:

Step-by-step explanation:

if 3/8 equals 15 that means 1/8 equals 5 because 15/3=5. now if we multiply 5 by 8 then we get 40 years

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3 years ago

Read 2 more answers

Step 1 of 3: Each year a nationally recognized publication conducts its Survey of America’s Best Graduate and Professional Schoo

lukranit [14]

Answer:

Step-by-step explanation:

Hello!

Given the variables

Y: Starting salary of a graduate at a top business school

X: GMAT score of the business school

The sample used had a size n=20

The estimated regression equation was ^Y= -92040 + 228Xi

The correlation coefficients were r= 0.81

You need to know if r is statistically significant at a 0.05 level:

Assuming the hypotheses are:

H₀: There is a linear correlation between the variables of interest

H₁: There is no linear correlation between the variables of interest

α: 0.05

This test is two-tailed.

The p-value for a r=0.81 and n=20 is 0.000015

Using the p-value approach, the decision rule is:

If p-value ≤ α, reject the null hypothesis

If p-value > α, do not reject the null hypothesis

In this case, the p-value is less than α, the decision is to reject the null hypothesis.

At a 5% level, you can conclude that the coefficient of correlation is statistically significant.

4 0

3 years ago

Is the expression 3x+2 a binomial?

Wewaii [24]

Yes, this is a polynomial, but a special form of a polynomial with just one term which is called a monomial .

7 0

3 years ago

Find the quotient: 18,198 / 27 518 608 674 689

gregori [183]

18,198 / 27 = 674 <==

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3 years ago

The coefficient of xy in the product of (4x^2+2y) and (3x+y^2) is ...

LUCKY_DIMON [66]

Here is your answer! The coefficient of xy is 6. To solve this problem, you need to multiply your two polynomials together. I used the FOIL Method- multiply the First two, the Outside two, the Inside two, and the Last two. You can see how I did it on the picture attached. Next, the answer that you get as a result from FOILing is your polynomial. If you look at the number before xy, that is the coefficient. A coefficient is a number that is right before and attached to a variable. I hope this helps you! :))

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3 years ago