Mark M.

A train leaves statoin A at 8:00 hrs to reach station B at 09:30 hr ,travelling at 90 km/hr at 10 hr it leaves station B and travels at 110 km/hr to reach station C at 12hrs.what was the average... more

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Algebra

07/15/18

How long was Lee's holiday?

Lee spent $1200 on his holiday. If he had spent $50 less per day, he could have stayed an extra two days. How long was his holiday?

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Unitary Maths

07/15/18

please help me

Adam's father stars off to drop adam at his school 9.2 km away driving at 30 km/hr .After 4 minutes ,jatin tells his fther that he has to reach schol in another 10 minutes.At what speed must Adam's... more

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Mathematics

07/15/18

give solution plz

A can do a job in 15 minutes,B takes 20 minutes while C takes 30 minutes to do the same job. All three begin working together.A leaves after 2 minutes, leaving B and C to continue working... more

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Other

07/14/18

A and B are independent events. If P (A)=.2 and the P(B)=.6, What is P(A ∩ B)

just need help with my homework keep getting stuck on these kinds of problems, independent vs dependent stuff.

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Math Exponential Growth

07/14/18

Exponential growth

The question is as follows: Under certain conditions, the number of salmonella bacteria can increase by approximately 700% per hour. Using a calculation, show that the doubling time of the... more

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Math Help Cosine

07/14/18

question about cosine law

for the cosine law c^2= a^+b^2-2abcosc, is the value for c always the longest angle of the triangle, and if so, how do you know which side is the longest given only 2 sides and 1 angle?

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Math Differentiation Product Rule

07/14/18

Differentiation

y= -x5(1 - x) I have to use the product rule to answer this question. The answer is 6x5 - 5x4 Can someone explain this to me and show how to solve it? Thank you so much!

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Math Help Math Help For College

07/14/18

Suppose you have a sequence that begins {2, 5, 10, 17}. Give the next 3 numbers in your sequence. Use a positional definition to define your sequence.

Need help solving. I really am having a hard time understanding how to writ in positional for.

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Summer Math

07/13/18

If the mean, median and mode are all equal for the following set, what is the value of x

If the mean, median and mode are all equal for the following set, what is the value of x 3,4,5,8,x

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Math 95

07/13/18

I need help with a word problem

If the temperature on the ground is 60°F, the air temperature x miles high is given by The(x)= 60-19x. Determine the altitudes at which the air temperature is greater than O°F. Support your answer... more

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Math Help

07/13/18

Is -3x+8=y a function

Is it a function because its in the form of y=mx+b?

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Survey Of Mathmetics

07/13/18

Use inductive reasoning to predict the next three numbers in the pattern. 22, negative 1−1, negative 4−4, negative 7−7, negative 10−10, ...

I am totally ignorant when it comes to math my questions is above

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Simple Interest

07/13/18

After how many years will a $2400 sapphire ring be worth at least $8000 if it increases in value by 10.5% p.a.

I don't know the formula for this question and need help working it out and need help understanding the question.

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Algebra

07/13/18

Jimmy takes 5 hours to clean a bus. Mase takes 3 hours to clean the same bus. If they work together to clean the bus how long will it take them

It is a algebra worded problem

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Math Help Math Word Problem Solved It.

07/13/18

If twenty-three more than a fifth of a number is equal to two times the quantity of two less than that number, what is the number?

translating words to math

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Calculus

07/12/18

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = ln(x2 + 7x + 15), [−4, 1]

how to fiind the max ans min

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Calculus, Derivatives

07/12/18

if cos(-0)=.95 find sin(pi/2-0)

Use identities to find the value of the expression

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What an equation for (-1,-1) (0,-3) (1,-1)

2cosec² 23° cot²67°-sin²23°-sin²67°-cot²67° is equal to what

High School Pre-Cal

Evaulate:- sec 690

The second and the sixth terms of a G.P

Give the equation of the circle centered at the origin and passing through the point (0, -5)

give solution

How long was Lee's holiday?

please help me

give solution plz

A and B are independent events. If P (A)=.2 and the P(B)=.6, What is P(A ∩ B)

Exponential growth

question about cosine law

Differentiation

Suppose you have a sequence that begins {2, 5, 10, 17}. Give the next 3 numbers in your sequence. Use a positional definition to define your sequence.

If the mean, median and mode are all equal for the following set, what is the value of x

I need help with a word problem

Is -3x+8=y a function

Use inductive reasoning to predict the next three numbers in the pattern. 22, negative 1−1, negative 4−4, negative 7−7, negative 10−10, ...

After how many years will a $2400 sapphire ring be worth at least $8000 if it increases in value by 10.5% p.a.

Jimmy takes 5 hours to clean a bus. Mase takes 3 hours to clean the same bus. If they work together to clean the bus how long will it take them

If twenty-three more than a fifth of a number is equal to two times the quantity of two less than that number, what is the number?

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = ln(x2 + 7x + 15), [−4, 1]

Related rates problem

if cos(-0)=.95 find sin(pi/2-0)

Still looking for help? Get the right answer, fast.

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Mark M.

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Rosetta Stone

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Emmersion

What an equation for (-1,-1) (0,-3) (1,-1)

2cosec² 23° cot²67°-sin²23°-sin²67°-cot²67° is equal to what

High School Pre-Cal

Evaulate:- sec 690

The second and the sixth terms of a G.P

Give the equation of the circle centered at the origin and passing through the point (0, -5)

give solution

How long was Lee's holiday?

please help me

give solution plz

A and B are independent events. If P (A)=.2 and the P(B)=.6, What is P(A ∩ B)

Exponential growth

question about cosine law

Differentiation

Suppose you have a sequence that begins {2, 5, 10, 17}. Give the next 3 numbers in your sequence. Use a positional definition to define your sequence.

If the mean, median and mode are all equal for the following set, what is the value of x

I need help with a word problem

Is -3x+8=y a function

Use inductive reasoning to predict the next three numbers in the pattern. 22​, negative 1−1​, negative 4−4​, negative 7−7​, negative 10−10​, ...

After how many years will a $2400 sapphire ring be worth at least $8000 if it increases in value by 10.5% p.a.

Jimmy takes 5 hours to clean a bus. Mase takes 3 hours to clean the same bus. If they work together to clean the bus how long will it take them

If twenty-three more than a fifth of a number is equal to two times the quantity of two less than that number, what is the number?

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = ln(x2 + 7x + 15), [−4, 1]

Related rates problem

if cos(-0)=.95 find sin(pi/2-0)

Still looking for help? Get the right answer, fast.

OR

Mark M.

Use inductive reasoning to predict the next three numbers in the pattern. 22, negative 1−1, negative 4−4, negative 7−7, negative 10−10, ...