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# If there a formula for solving time related questions???????????????????????????????????????

It takes Sarah 5 hours to complete a task and it takes Ben 4 hours to complete the same task. If Sarah and Ben work together, and Ben leaves after 2 hours, how much longer must Sarah work to complete...

philosophy

# A toy rocket is launched from the top of a building, 97 feet tall at an initial velocity of 201 feet per second.

A toy rocket is launched from the top of a building, 97 feet tall at an initial velocity of 201 feet per second. A) give the function that describes the height of the rocket in terms of time...

n^2=18n+40

# help with exponential form

write in exponential form and simplify   1. 3√x^5y^5   2.  3√x^2y   3.  3√a • 5√a     thanks

# Find the normal vector of the plane that is pointing into the part of the plane which has the origin.

A plane called p has the cartesian equation   4x + 2y - 2z = 7   Given that the plane separates 3D space into two parts. Find the normal vector of the plane, pointing...

# what is the perimeter of a regular pentagon if the length of one side is x.

perimeter of a regular pentagon if the length of one side is x.

# simplify and solve

simplify   1.  (3x)^1/3     I have 3x^2/3                                    ...

# help solving the system of equations

solve the system of equations    3x + 4y + z = 7          2y + z = 3 -5x + 3y + 8z = -31   I have...

# how to solve circle equations

1.  How do I write an equation of the circle with center (-2,3) and radius 8?   2.  How do I found the radius and center using the equation  of a circle x^2 +...

# conic questions

1)  is xy = 3  a rectangular hyperbola?   2.  is x^2 + 4X = y - 4  a parobola?

# i got a 84% overall. if my oter scores were math:95% geography:90% english:85% computer:80%, what was science:?

math:95% geography:90% english:85% computer:80%, what was science:?

# ratio problem

The ratio of the number of adults to the number of students at the school dance has to be 1:10. Last year there were 477 more students than adults at the dance. If the school is expecting the same...

# grade 6 students received the following scores on a recent math test. find the median of data set: 97,59,64,65,52,50,15,62,55,60,90?

median of data set: 97,59,64,65,52,50,15,62,55,60,90?

# 65 miles per hour for 3 hours. on a country road she went 35 milesper hour for 2 hours. how far did they go?

65 miles per hour for 3 hours. on a country road she went 35 miles per hour for 2 hours. how far did they go?

# jasmine`s recipe requires 2/3 cups of flour. she has only 1/2 cups in the pantry. how much more flour does she need?

a recipe needs 2/3 but the girl only has 1/2 amount of flour how much more does she need

# Physical Science

A tugboat pushes into a barge, exerting 8,000 N of force.  The area of contact between the tugboat and the barge is 1.850 m2.  What is the total pressure that the area of contact experiences...

A jumbo bag of potato chips contains 18 ounces of chips. The recommended serving is 0.75 ounce. How many servings are in the jumbo bag ?

# Assume s is known. What are the critical values for testing H?: µ=200 against H¹: µ ? 200 with a = 0.04 ?

Assume σ is known. What are the critical values for testing Hο: µ=200 against H¹: µ ≠ 200 with α = 0.04 ? a. ±1.41 b.±2.05 c.±1.67 d.±1.75

# The lateral area of a cone shaped lamp shade with a base radius of 3 inches is 219.9 in squared. What is the slant height?

This is a math question that i need help on because it is very hard. Also i do not understand what to do.