I just need help

I just need help

If the expression (2x^3)^2(-5x^4) was placed in the form ax^b, where a and b are integers, then what ia the value of a+b? Show the work that leads to your answer.

Which of the following is equivalent to (x+5)^2 (A) x^2+10x+25 (B) x^2+25 (C) 2x+25 (D) 2x+10

I need to solve this deperalty, the answer I'm getting does not make sense

Garrett has $150 in ten & twenty-dollar bills. The number of ten-dollar bills in one less than twice the number of twenty-dollar bills. How many of each type of bill does Garrett have?

Emily has nickels, dimes, and quarters in her collection. She has twice as many dimes as nickels and 12 fewer quarters than dimes. The total value of the coins is $9.00. How many of each coin type...

Easiest and most efficient way to calculate the total sum of all numbers between x and y? for example, assume x is 5 and y is 30. what would all of the numbers between 5 and 30 be as a total sum...

A baker sells loaves of bread in two different sizes: small and large. The baker has 40 kilograms of flour to work with. Small loaves require 0.4 grams of flour and large loaves require 0...

An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How many two point questions are on the test? How many five point questions...

Kim works evenings and weekends at her family's restaurant. On the weekends, she earns time and a half. If her regular rate of pay is $9.00 an hour, how much will she earn per hour on the weekends...

Hudson is already 40 mi away from home. He is driving 65mi/h. Write an equation that models the total distance d travelled after h hrs.

Solve for x ...

Apples are collected in a basket for 3 people 1/8 of the apples are give to the 1st person, 1/2 of the apples are given to the 2nd person, the 3rd person gets 12 apples. How many apples are...

What is the sum of three consecutive intergers is -96

A rectangular garden has a perimeter of 24 yards. Fencing across the length costs $3 per yard and along the width costs $2 per yard. The total cost of the Fencing is $62. Find the length and width...

You are choosing between two cell phone plans. Data plan A offers a flat monthly rate of $20 per gb. Data plan B has a monthly fee of $40 with a charge of $15 per gb. For how many gbs of data will...

You invested $10,000 in two accounts paying 8% and 10% annual interest. At the end of the year, the total interest from these investments was $940. How much was invested at each rate?

When a plane flies with the wind, it can travel 2160 mikes in 3 hours. When it flies in the opposite direction it takes 4 hours to fly the same distance. Find the rate of the plane in still air and...

the question is asking to find the equation written in slope intercept form that passes through (9,4)

Against the wind a commercial airline in South America flew 756 miles in 3.5 hours. With a tailwind the return trip took 3 hours. What was the speed of the plane in still? air? What was the speed...

John Z.

Chemistry, Physics, SAT Math, and Calculus Tutor; CU Chemical Engineer

Brooklyn, NY

5.0
(305 ratings)

Avital S.

Patient tutor, for all ages, helps when your learning is blocked

Westwood, NJ

5.0
(504 ratings)

Adam P.

Highly Experienced Test Prep Instructor

Brooklyn, NY

4.9
(80 ratings)