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Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x^2 + 9x + 9.

{-0.78, 1.00} {-7,9} {-1.29,-1.29} {-0.66,1.95}                                        ...

How to solve an acute triangle with a missing side by using the law of cosines

How to solve an acute triangle with a missing side by using the law of cosines.... Segment CB is 45, segment BA is 43, segment CA is unknown "b", <B is 88 degrees. I am supposed to find...

Physics Question

1. A fireworks shell explodes H=110 m above the ground, creating colorful sparks. How much greater is the sound level of the explosion for a person at a point directly below the explosion than for...

A dealership sets car prices so that there is a 40% profit. If the dealership paid \$5300 for a car how much would the sell it for?

I can't answer this problem please help. I need to know this to help me understand something we are doing in class.

You can clean the gym floor for 50 minutes:

You can clean the gym floor in 50 minutes less than bob. If you work together, you can do it in 45 miutes. How long does it take you to clean the floor by yourself?   Id like to see how...

Chicago is located 229 miles north and 136 miles east of St Louis. What is the direct distance between Chicago and St Louis? Round to nearest tenth of a mile.

Chicago is located 229 miles north and 136 miles east of st Louis. What is the direct distance between Chicago and St Louis? Round to the nearest tenth of a mile.

What the steps of a fate map of a human embryo?

I'm confused about how the fate map of a human embryo looks like. Does it involve all the 9 months an embryo is in the womb? Or it it just a particular part of the whole development? Where does it...

Which term of the expansion contains x^8

Which term of the expansion of (x+5)10 contains x8? the term number that contains x8 is?

Would someone help me answer this trigonometry math word problem and show my work for it? Thanks!

The value of a machine depreciates according to the function f(x) = 20000(1/2)x ,where x is the time in years from the purchase of the machine. What is it's value after 3 years?

I NEED HELP

What is the equation of the line

what is the equation of the line through x-intercept,-1, and y-intercept ,2

Evaluate the binomial coefficient

Evaluate the binomial coefficient: (14 11)  side note: 14 is on top of 11 in parentheses

how do you Write Two-Variable Linear Equations

The cost, c, of a health club membership is related linearly to its length in months, m. If a 12-month membership costs \$260 and an 18-month membership costs \$380, which equation can be used to find...

Probability with Combinations?

Please help me! I'm so confused! Please include all steps AND helpful tips that will help me solve these kinds of problems (problems with probability and combinations)! Thanks a lot!   A...

a couple buys one bag of popcorn and two drinks for \$5.75. a group of teenagers buys 2 bags of popcorn and 5 drinks for \$13

I have to find the price of each bag popcorn and each drink. Please help!!

Can anyone help me answer these two trigonometry math word problems and show all my work for both?

1. The profit of an organization is calculated by the function P(x) = x2 - 4000x + 7800000, where x is the number of units sold. If the net profit is 3800000, find the number of items sold...

2cos2θ+sinθ=1

A scientific theory _______.

a. describes what occurs every time in a given situation b. is not validated by experimentation c. can never be changed d. is an explanation for a set of events

difference bwetween 2 3/8oz and 1 1 /8 oz?

trying to divide in half the difference of bowl weighing 1/1/8, added dry mix now weighs 2 3/8 oz.  Need to know how I can cut dry mix in half?