11/22/22

math statics and probality
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 120 months, with a variance of 100.If he is correct, what is the probability that the... more
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11/22/22

Exponents and Polynomials
The length of a rectangle is 11 m more than twice the width, and the area of the rectangle is 63 m2. Find the dimensions of the rectangle.length=width=
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11/22/22

A quilter uses complementary angles to cut fabric. One angle has half the measure of the other complementary angle. What are the measures of the angles? Show your work.
URGENT
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11/22/22

A 8 1/4 ​inch candle burns down in 11 hours. How far has it burned after 4 1/2 ​hours?

Thank you!
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11/21/22

The value of Y varies jointly with the value of X and Z when X equals five and Z equals 10 the value of Y is 600 what is the value of Y when X equals four & Z equals nine
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11/21/22

operation and algebraic

how many buses do you need for 300 people if each bus holds 46 people
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11/21/22

A pole that is 3.1m tall casts a shadow that is 1.27m long. At the same time, a nearby tower casts a shadow that is 50.75 long. How tall is the tower? Round your answer to the nearest meter.
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11/21/22

Given f ' ' ( x ) = − 25 sin ( 5 x ) and f ' ( 0 ) = − 5 and f ( 0 ) = 3 .
Find f(π/2) =
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11/21/22

(1,-5) and (3,-17)?
Which equation represents the line that passes through points (1,-5) and (3,-17)
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11/21/22

Suppose 32 gallons of water came out of a pipe in minutes. What was the rate in gallons 8 per minute?
q
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11/21/22

Does anyone know the answer to this?
Sarah is following a cookie recipe that calls for 2 1/4 cups of butter. She has 13 1/2 cups of butter. How many batches of cookies can she make?
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11/21/22

Plane A is at an altitude of 1991 feet and Plane B is just taking off. Plane A is gaining altitude at 35.5 feet per second and Plane B is gaining altitude at 80.75 feet per second.
I just need to know the answer. Solving this is kind of difficult for me.
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11/21/22

find the three consecutive integers such that five times the second integers is equal to three times the sum of the other two, plus two
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11/21/22

find the three consecutive integers such that five times the second integers is equal to three times the sum of the other two, plus two. help please

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11/21/22

I'm stuck!! Please help!!
A large bottle of juice contains 500 milliliters of juice. A medium bottle contains 70% as much juice as the large bottle. How many milliliters of juice are in the medium bottle?
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11/21/22

Union and intersection of intervals
Struggling with Union and intersection problems C and D are sets of real numbers defined as followsC={x|x≤3}D={x|x>8}Write C∪D and C∩D using interval notation.If the set is empty, write Ø
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11/21/22

Can someone please help me?! I keep trying to solve it but I keep getting the wrong answer
Ok so, I've been trying to solve this math problem for over 30 minutes. I had this math problem last week and I skipped it. I asked on here but no one answered. I thought that if I came back to it... more
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11/21/22

Susan started cleaning at 4:37 PM and finished at 5:26 PM. How long did it take her? Give your answer in minutes.

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11/21/22

A camera has a listed price of $830.98 before tax. If the sales tax rate is 7.25%, find the total cost of the camera with sales tax included. Round your answer to the nearest cent, as necessary.
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11/21/22

Can someone please help me with this math problem?
The count in a bacteria culture was 400 after 15 minutes and 1800 after 30 minutes. Assuming the count grows exponentially. You may enter the exact value or round to 2 decimal places. What was the... more
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11/21/22

One month Bob rented 2 movies and 3 video games for a total of $20. The next month she rented 6 movies and 5 video games for a total of $38. Find the rental cost for each movie and each video game.
One month Heather rented 2 movies and 3 video games for a total of $20. The next month she rented 6 movies and 5 video games for a total of $38. Find the rental cost for each movie and each video... more
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11/21/22

A vector with magnitude 5 points in a direction 145 degrees counterclockwise from the positive x axis. Write the vector in component form. Round your answers to 3 decimal(s).
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11/21/22

Given the vector → u = − 4 →i | − 3 →j , find the magnitude and angle in which the vector points (measured counterclockwise from the positive x-axis, 0 ≤ θ < 2 π) Round your answers to 3 decimal(s).
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11/21/22

Someone please help me
A bacteria culture initially contains 1500 bacteria and doubles every half hour. Find the size of the baterial population after 20 minutes. Find the size of the baterial population after 8 hours.
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11/21/22

inverse of f(x)=7x^-1/2+1
find the inverse
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