915 Answered Questions for the topic Equations

04/12/18

When 3 taken from twice a number the result is the same as adding 3 to the number. Whats the number

I never asked the teacher anything and niw i am confused. Could you help

04/04/18

Find C and a so that f(x)= Ca^x Satisfies the given equations

f(-2)=4/5   f(2)=1/20

03/29/18

how to write equation

Write the equation of a line perpendicular to the given line and passing through the given point.  y=-2/3x +2; (3,3)

03/23/18

The difference of twice a number and 6 is at least -30

im having trouble can you solve it?

03/20/18

The gizmo store sells gizmos. You pay $3 for the first 3 gizmos and $0.75 for each additional Gizmo.

a. Define an independent and a dependent variable and describe a function that arises from this scenario. Give any restrictions on the values of the independent variable.  b. Find an equation for... more

03/20/18

A circle has a radius of 5/3 and is centered at 9.2, -7.4. Write the equation of this circle.

I've been on this one for quite a while.

03/18/18

Equations challenge

find y if a^3y-5 = 1 / a^2

03/17/18

James scored a summary of 15 points during a basketball game. How many free throws did James make during the game.

James scored a total of 15 points during a basketball game. During the game he made only free throws worth 1 point each and 3 point baskets. He made a total of he made a total of 7 baskets. How... more

03/16/18

solve the simultaneous equation

3a + 2b =7 a -2b =5

03/14/18

The height of a golf ball in the air can be modeled by the equation h=negative16t squared plus 76t, where h is the height in feet of the ball after t seconds

a. How lone was the ball in the air b. What is the ball's maximum height? c. When will the balol reach its maximum height?

02/28/18

Which answer shows this equation written in standard form? 9 – 4(x – y) = –6x + 6

A. –10x + 4y = –3 B. 2x + 4y = 3 C. 2x – 4y = 3 D. 2x + 4y = –3

02/27/18

The sum of two numbers is 36. Their difference is 24. Calculate the numbers

Just a little confused on this math question need help on how to do it with steps explaining 

02/26/18

The first 100 counting numbers are arrangedin columns as shown. What would be the sum of all numbers in column C? See descriptio

Where Sn is the sum, n is the number of terms, a1 is the first term, and an is the last term. Plugging in we get Sn = 20(3 + 98)/2 Sn = 1010   ?????why are we dividing by 2?????

02/26/18

(82 + 77 + 75 + X) /4 +83, solve for X

We know the answer to this is 98 but can not figure out how to solve.  Help a 7th grade student solve step by step.

02/20/18

Write and equation of (-5,-6) and (0,-3) ?

Don't know 

02/18/18

Passing through (2, 2) and perpendicular to the line whose equation is y = 4x + 7; point-slope form

Use the given conditions to write an equation for the linein the indicated form.

02/12/18

Twice the difference of a number and 3 equals 9 .

Use the variable x for the unknown number.

02/04/18

Please solve these equations and find x y z and p

2x=3y+1 2y=3z+1 2z=3p+1

01/31/18

a car trvels 480km in 6 hours. How many km per hour does it travel

math algebra study guide help im in 7th grade pre algebra

01/25/18

the sum of two numbers is 55 and the difference is 5. What are the numbers?

larger number and smaller number
1 4 5 7 9 10 37

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