# Questions Asked onJuly 30, 2020

1. ## Math

a) Explain the relationship between the axis of symmetry and the quadratic formula. b) We know that the quadratic formula can be used to determine the roots of a quadratic function. However, the quadratic formula also reveals how many roots exist without

2. ## Mathematics

4 times x is equal to x increased by 6. x A.1 B.2 C.3 D.4

3. ## mathematics

Write each answer in polynomial in simplest form The cost of 12 gallons of gas is represented by 12x, and the cost of a quart of oil is represented by 2x - 30.Represent the cost of 12 gallons of gas and a quart of oil.

4. ## Mathematics

Theoretically if you roll a number cube ten times, how many times would you expect to roll the number 6?

5. ## mathematics

Also, use tables and not calculators. Finally, do not forget your units. 1. A ladder 20 METRES long rests against a vertical wall. The distance between the foot of the ladder and the wall is 9 METERS a. Find, correct to the nearest degree, the angle that

6. ## mathematics

-9y+[7+(6y-7)] what is the algebraic expression in simplest form?

7. ## mathematics

Write each answer in polynomial in simplest form Jack deposited some money in his savings account in September. In October he deposited twice as much as in September,and in November he deposited one-half as much as in September. If x represents the amount

8. ## Chemistry

What will happen if an aluminium spoon is used to stir an Fe(NO3)2 solution? Why?

9. ## Riddle

A man is washing windows on the 25th floor of an apartment building. Suddenly, he slips and falls. He has nothing to cushion his fall, and no safety equipment—but he doesn't get hurt. How is this possible?

10. ## mathematics

The perimeter of an isosceles triangle is at least 56 inches. The base is twice the length of one of the sides of equal measurement of the isosceles triangle. What is the least possible value of the base of the triangle?

11. ## mathematics

Two consecutive odd integers have a sum that is, at most, 36. What is the greatest value the larger number could have?

12. ## Math

Consider the matrix given. Explain why it is not orthonormal, then use the columns with Gram-Schmidt to create an orthonormal basis for its column space. -1

13. ## mathematics

Write each answer as a polynomial in simplest form A cheeseburger costs 3 times as much as a soft drink, and an order of fries costs twice as much as a soft drink.If a soft drink costs s cents,express the total cost of a cheeseburger, an order of fries,and

14. ## mathematics

Find the least number which must be subtracted from 8105 to make it a perfect square. *

15. ## Physics

A spring of natural length 30cm is stretched 35cm by a load of 15N, calculate the extension produced

16. ## Science

Equation For The Reaction Between Zinc Metal And Dilute Tetraoxosulphate (vi) Acid

17. ## mathematics

The length of a rectangle is 10 meters less than 4 times its width. If the perimeter of the rectangle is at most 120 meters, what is the greatest possible width of the rectangle?

18. ## Math

2/3 of the doughnuts in a box have frosting. 1/2 of the doughnuts with frosting have sprinkles. What fraction of the doughnuts in the box have frosting and sprinkles?

19. ## English

Which of the following is used to join an independent clause with a transitional expression Question 11 options: a) colon b) comma c) semicolon d) period

20. ## chemistry

130cm3 of a gas at 20°c exerts a pressure of 750mmhg.calculate it pressure if its volume is increase to 150cm3 at 35°c

21. ## mathematics

A miniature portrait of George Washington is square and has an area of 169 square centimetres. How long is each side of the portrait? *

22. ## Math

Find the line of best fit for the points (1,-3), (-1, 4), (0,2), and (1,1).

23. ## math

determain the slope of the line containing the points (12,4) and (9,16)

24. ## History

Why were the Middle Ages called the Dark Ages?

25. ## Mathematics

What is a abbreviate for street, people's title, and customary

26. ## physics

a balloon is 30m above the ground and is rising vertically with a uniform speed when a coin is dropped from it. if the coin reaches the ground in 4 seconds, what is the speed of the balloon?

27. ## Math

There is a well that is 21 feet deep, in that well is a frog, every day it dumps up 3 feet and at night it falls back 2 feet,how many days will it take the frog to come out the well?

28. ## math

Boris and Stella are running on a circular track which has a radius of 300 meters. They start running at the same time. Boris starts at the northernmost point of the track, and Stella starts at the easternmost point. Boris runs clockwise. Stella runs