# Posts by Dad

Total # Posts: 20

**History**

idk

**Maths**

The price dropped by 10,000. What percent of 200,000 is 10,000?

**Urgent Math**

not sure exactly what your asking If you are looking for the total population, multiply 840 by 1.05 If you are looking for the number of new people, multiply 840 by .05

**Algebra**

Scatter plots and least square lines. The number of home runs hit by a player. 1990 1991 92 93 94 95 96 97 98 99 39. 22. 42 9. 9. 39 52 58 70 65 Find the equation of the least square line? Y=4.9x+18.5 Find the correlation, r, to the nearest hundredth? 0.68 Use the least square...

**Algebra**

Write an equation in slope intercept form of the line that passes through the given point and is perpendicular to the graph of the given equation. (1,-6). X-2y=4

**math**

The cost of a pencil is $0.25 more than the cost of an eraser. If the cost of 8 pencils and 10 erasers is $12.80, find the cost of each.

**chemistry**

21

**math**

Jenny, Jedi is right trust me !

**CHEMISTRY**

CALCULATE THE MOLARITY OF 50.0g OF NaCL IN 7820mL OF SOLUTION

**Physics**

yes

**Algebra**

kill me

**math**

Dad

**Math**

21

**Math**

If a mixture of a 6% acid solution with an 11% solution is to be made, how much of each solution is needed to make 10 liters of an 8% acid solution?

**Algebra**

How do I find the perimeter of a triangle DMG which has coordinates D(3,-2), M(3,4) and g(1,-2) - my son can't do the problem and I don't remember how to do it anymore

**college chem**

Ask your mom

**10th grade**

reply to PSYDAG Typos I was told no but I think yes

**maths**

if 0 is positive x and west is -x then facing west turn 270 counter clockwise you would be facing north on a map

**Geometry**

yes