The sum of a number and it's square is 90. Find the number(s). (If needed, separate answers with commas - order does not

Q: Explain why in any digraph, the sum of all the in-degrees must equal the sum of the out-degrees.

A: To prove, the sum of all the in-degrees must equal to the sum of all out-degrees. In-degree of a…

Q: Consider the power series Σ (x + 4)" 5n n=0 Determine the interval of convergence of the power…

A: The given series:∑n=0∞x+4n5nWe need to find the interval of convergence.We know that radius of…

Q: The double number line shows the price of   cupcake.      Cupcakes   Price(dollars) A…

A: The objective of the question is to find the missing values in the table based on the information…

Q: 3. My parents just started their digital music collection. If they have put cd's by 4 different…

A: 3) Given, Parents have put cd's by 4 different groups on their mp3 player. We have to find how many…

Q: Naïve method Unweighted 3 month moving average Weighted Moving Average (3 months, with the following…

A: Hint: Use Excel to find the required forecasting values.

Q: b) Two times the difference of a number and twenty equals thirty.

A: Assign the variable n to the unkown numberSince twice the difference between a number and twenty…

Q: 1 is subtracted from the cube of a number

A: 1 is subtracted from the cube of a number.Let the number be xSo, we have1 is subtracted from the…

Q: The sum of two numbers is 15. One of the numbers is twice the second number minus 9. What is the…

A:

Q: Answer number 8 only !

A:

Q: Use a 8. Solve y" + 2y' = e-t, y(0) = 1, y'(0) = 2.

A:

Q: O 8. Simplify. (a*b®) (a°b*) O a'z8

A: The given expression,      a5b6a2b2

Q: Which algebraic expression shows "the sum of 11 and the quotient of a number and 3"?

A:

Q: Find the Volue Ot the If lal6)=2 and InC6) =3

A:

Q: Use the data below to solve for the following: 2. Naïve method 3. Unweighted 3 month moving average…

A: 5) The information is given as follows: Ft+1=32α=0.2 Suppose t=0, then F1 (Initial Forecast)=32. The…

Q: Answer: Answer: 9. Let f(x) = 3x – 2 and g(x) =-x+ 4. Find (fo g)(5). Answer: 10. Let f(x) = 3x+ 4…

A: To find: a) (fog)(5) b) (fog)(x) and its domain

Q: The cross section of a dovetail slide is shown in Figure 26–48. Before the dovetail was cut, the…

A: From the given diagram note that, the dove tail is in the shape of a parallelogram. It is known…

Q: Alex hauled a load of pipe from Fairbanks to Deadhorse on a highway in a record time of 8 hours 15…

A: Given that total time =8hr 15 min=814 hr from Fairbanks to cold foot average =30mph from cold foot…

Q: The difference of a number and 6 is between 0 and 8 . Find all such numbers.

A:

Q: 13. Each runner is carrying an 8-ounce bottle of water, a 2.1-ounce energy bar, and a 3-ounce energy…

A: From given question, It is known that that one runner at a time carries bottle of water, energy bar…

Q: The product of a number and 6 less than the number is 91. Find the number. The number is |. (Use a…

A:

Q: Use the data below to solve for the following: 2. Naïve method 3. Unweighted 3 month moving average…

A: Solution: From the given information,

Q: Y varies directly as x". If y=3 when x = 24, find y when x = 10.

A: "y varies directly as x" so thaty∝x so y=kxif y=3 Then x=24=3=k.24=k=18