# Posts by alpha

Total # Posts: 18

**math**

Explain how to write a function rule from the table below. Then write a function rule. x|2|4|6| y|1|0|-1| my answer am i right y = -1/2 x + 2

**math**

Assuming 2 1/2 is a mixed fraction | Use 2 1/2 as a product instead Try the following: Use different phrasing or notations Enter whole words instead of abbreviations Avoid mixing mathematical and other (2 + 1/2) x = (4 + 1/2) y

**math**

what do you think it is

**Math Explain**

18x^2 + 6 + 4x - 15x^2 - 4 + 13x okay i know the answer is 3x^2 + 17x + 10 but i dont know how i got it can someone explain plz

**Math**

Thanks Guys

**Math**

(5y^2 - 2y) + (9y^2 - 9y) My Answer 14y^2 - 11y am i right

**Math Help**

In the expression -9x-2x^2+7 what is the coefficient of x A. -9 *** B. -2 C. 7 D. 9 answer is A am i right

**math**

18x^2 + 6+4x - 15x^2 - 4 + 13x My Answer 3x^2 + 17x + 2

**Beacon house**

How can the number 39 be divided into two parts in order that the sum of 2/3 of one part and 3/4 of the other part is 28?

**HELP!!!MATHS!!!**

First find the surplus, i.e. (234+97+191)-436=86. Now if you want to maximise the 'all three' section, you have to distribute these surplus 86 into this section.But if you add 1 to this region,you are taking care of surplus of 2. Similarly if 10 is added, surplus of 20...

**Physics**

h = 5.75 m, g = 9.81 m/s2 , θ = 30 degrees , sin(30) = 0.5 h= vₒ²•sin²α/2g, vₒ= ? vₒ = √ (h.2g)/(sin^2θ) vₒ = √ (5.75m . 2x9.81m/s2)/(0.5^2) = 21.24 m/s

**Mathematics**

Mary's age is 2/3 that of Peter's. Two years ago Mary's age was 1/2 of what Peter's age will be in five years time. How old is Peter now?

**business**

Delegation is the assignment of new or additional responsibilities to a subordinate. When done correctly, the individuals involved know exactly what they are to do, and the chances for success are maximized. Refer to the unit readings in the textbook section on delegation (pp...

**Physics / Dynamics**

Nevermind, I got it. :)

**Physics / Dynamics**

An object is 6000 mi from the surface of a 4000 mi diameter planet. If the relative speed is 12000 mi/hr and the surface gravity of the planet is 12.9 ft/s^2, determine the impact velocity at the surface. Given answer: 15460 mi/hr Thanks in advance.

**spell**

And the first word would be: ripple

**math**

a) ab(5a+b) b) (3k+1)(3k-1) c) (2y-1)(y-2)

**Economics**

CETRIS PARIBUS MEAN ALL OTHER THINGS BEING EQUAL