04/26/21

Is x•(2+x) and example of two consecutive integers

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04/26/21

Kevin has a record of winning 2 boxing matches for every 7 he loses. If he had 31 matches during the last year, how many did he win?
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04/26/21

This is so hard please help!
"Ned No-Idea" was what everyone called him. His real name was Ned Franklin, but everywhere he went he was called "Ned No-Idea." Every time someone asked him a question, he said "I have no idea!” He... more
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04/26/21

I am the ratio of the sum of 2, 3, and 4 to the product of these numbers. What ratio am I?

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04/26/21

I'm having trouble on my math assignment
Use the properties of exponents to rewrite y=5e^{-0.7t} in the form y=a(1+r)^t or y=a(1-r)^t . Round the value of r to the nearest thousandth. Then find the percent rate of change to the nearest... more
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04/26/21

A trapezoid has a height of 4 inches and an area of 48 inches² . The lengths of its bases have a ratio of 1: 7. Find the length of each base.
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04/26/21

Find the volume (in cubic centimeters) of the prism.
Consider the oblique regular pentagonal prism shown. Each side of the base measures 18 cm, and the altitude measures 18 cm.18 cm18 cm18 cm12.4 cmAn oblique regular pentagonal prism and a pentagon... more
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04/26/21

Show that the set of vectors in Rn is orthogonal.
Consider the following.{(−1, 5), (15, 3)}(a) Show that the set of vectors in Rn is orthogonal.(−1, 5) · (15, 3) = (b) Normalize the set to produce an orthonormal set.
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04/26/21

Mixture Problem x5
You need a 65% alcohol solution. On hand, you have a 130 mL of a 15% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired... more
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04/26/21

Mixture Problem 4
A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $14.00 per pound should be mixed with 13 pounds of trail mix costing $3.40 per... more
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04/26/21

A trader bought 10 bottles of red and white wine and paid 230. The white whine costs 20 per bottle and the red costs 25 per bottle. how many bottles of each kind did the trader buy?
I think this is a multi-step problem but I'm not sure how to put the variables.
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04/25/21

Question, state whether each pair of events is mutually exclusive or non-mutually exclusive and explain why.
Question, state whether each pair of events is mutually exclusive or non-mutually exclusive and explain why. a) Event A = Your birthday falling on a Saturday next year. Event B = Your... more
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04/25/21

P is inversely proportional to the square root of 1+r
Write a model for this statement —> P is inversely proportional to the square root of 1 + r?
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04/25/21

Probability- Odds Question
A confident and boastful coach claims that on the next league game the odds of her team winning are 3:1; the odds against losing are 5:1; and the odds against a tie are 7:1. Can these odds be... more
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04/25/21

Three cards are taken out of a deck.
1.Three cards are taken out of a deck. What is the probability that the third card is a redface card or a king given the first is the king of hearts and the second is the queen ofdiamonds? Please... more
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04/25/21

calculus two question
The partial fraction decomposition of 22x−43/12x^2−31x+7 can be written in the form of f(x)/3x−7+g(x)/4x−1, wheref(x)=g(x)=
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04/25/21

Adding vectors algebraically

A pedestrian walks at a rate of 6 km/h East The wind pushes him Northwest at a rate of 13 km/hFind the direction of the resultant vector
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04/24/21

Four numbers have a sum of 165. The 1st number is 5 more than quadruple the 3rd. The 2nd number is 7 less than triple the 3rd. The 4th number is 14 more than half the 3rd. Find all four numbers.
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04/24/21

Question; Use a tree diagram to illustrate the possible outcomes for a couple having 4 children...
Please Help, thank you so much.     Use a tree diagram to illustrate the possible outcomes for a couple having 4 children, assuming that the probability of having a boy equals the probability of... more
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04/24/21

Algebra 2 asterisk
how you do draw a complete asterisk using 2n2-3n-35
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04/24/21

precalculus hw need help its due soon!
The fox population in a certain region has a continuous growth rate of 7 percent per year. It is estimated that the population in the year 2000 was 15000.(a) Find a function that models the... more
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04/24/21

i dont undertsnad the steps for this precalulcus hw

A population of bacteria is growing according to the equation P(t)=800e^0.22t. Estimate when the population will exceed 2930.t=   Give your answer accurate to one decimal place.
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04/24/21

it would helpout alot ive been stuck sooo long its precalculus

A population numbers 20,000 organisms initially and decreases by 2.4% each year.Suppose P represents population, and t the number of years of growth. An exponential model for the population can be... more
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04/24/21

help ive tried and it was wrong precalculus

If 4000 dollars is invested in a bank account at an interest rate of 6 per cent per year,Find the amount in the bank after 7 years if interest is compounded annually:   Find the amount in the bank... more
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04/24/21

What is the total cost (in dollars) of the ingredients used to fill the raised garden?
Zaidah plans a raised flower bed 2 ft high by 24 ft wide by 12 ft long. The mulch, soil, and peat mixture used to fill the raised bed costs $12.75 per cubic yard. What is the total cost (in... more
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