Math - Others

Basic Math Solutions

y= (4)/ (e^x +1) calculus sign chart x ......(1) ...... y' (2) (2) (2) y"(3) (4) (5)

A breeding group of foxes is introduced into a protected area, and the population growth follows a logistic pattern. After t years, the population of foxes is given by the following. N = 43.5/(0.26+0.76^t) foxes 0.26 +0.76 (a) How many foxes were introduced into the protected area? (Round your answer to the nearest whole number.) ______foxes (b) Make a graph of N versus t. Explain in words how the population of foxes increases with time. (c) When will the fox population reach 100 individuals? (Round your answer to two decimal places.) The fox population will reach 100 individuals after years.

Simplify each expression. (3 points each) 4. √90 5. √150 Simplify each expression. (4 points each) 6. √28x³y³z^11 7. √18x^12 y^20 z^7 simplify the expression 8.√(3/7)

Solve for x: 2x + y = 3 x = type your answer...

-8 is a/an. (Check all that applies.) natural number rational number real number irrational number integer is a/an. -3/2 is a/an. (Check all that applies.) real number integer natural number rational number irrational number

Perform the indicated operations: (√2+√3)² [Hint: Type "sqrt(5)" for √5] Simplify the expression: 2 / √7-√11 Begin 1 Simplify: 2(√7+√11)/(√7-√11)(√7+√11) Find the conjugate of the denominator. 2(√7+11)/-4

Simplify: √100 Type your answer... Simplify: ∛27 Type your answer... Simplify: √28 7√2 2√7 4√7 Cannot be simplified

Deepa moved a distance of 75 metres towards the north. She then turned to the left and walking for about 25 metres, turned left again and walked 80 metres. Finally, she turned to the right at an angle of 45°. In which direction was she moving finally?

A child is looking for his father. He went 90 metres in the east before turning to his right. He went 20 metres before turning to his right again to look for his father at his uncle's place 30 metres from this point. His father was not there. From there, he went 100 metres to his north before meeting his father in a street. How far did the son meet his father from the starting point?

Solve the inequality. Graph the solution set and write it in interval notation. 7x-4>6x-8 Choose the correct graph below. Write the solution set in interval notation.

Graph the set of numbers given in interval notation. Then write the inequality statement in x describing the numbers graphed. (-∞, -2) Choose the correct graph below. Write the inequality statement in x describing the numbers graphed.

Solve the inequality. Graph the solution set and write it in interval notation. 3x-1 < 4(x+1) Choose the correct graph below. Write the answer in interval notation.

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