7,188 Answered Questions for the topic Math Help

Math Help Maths

05/01/18

Maths question
When the chef turned the new freezer on, the temperature on the internal thermometer was 2 °C.After breakfast had been served, the temperature had gone down by 15 °C.What was the new temperature?
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Math Help Math

05/01/18

math question
The Students' Union needs to order some pens and notebooks. How much does it cost to order 1000 pens and 2000 notebooks?   Quantity of the pens 100 250 500 1000 2500 5000Price per pen (cents) 80c... more
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Math Help Math

05/01/18

math question
Lynn invites some friends for lunch. She needs to cater for 24 people.She decides to make pancakes.How much milk does Lynn need to use?     ingredients (serves 4)   50 g plain sugar 1... more
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Math Help Math

04/30/18

Math question
James is building a deck for a client and has several pieces of wood he wants to use. The sizes of the pieces of wood are:     1.5m  2500mm 850mm 4.8m   What is the total length of wood in... more
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Math Help Math

04/30/18

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt.
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 60% salt and Solution B is 85% salt. She wants to obtain 60 ounces... more
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Math Help Math

04/30/18

Given f(x)=-9x+3 and g(x)=x^4 find (f o g)(x)
How to find composite functions ,
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Math Help

04/30/18

can you factor 6v^4-25v-25?
Can you factor the following problem:   6v^4-25v-25?
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04/29/18

Logarithim Question
Solve the Equations   1.log x=6   I got 100,000 but I am just checking to see if I am correct   2. log(lower)5 (regular)5^3   I got 3  
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Math Help

04/29/18

How to solve composite functions
If f(x)=3x-5 and g(x)=x^2 find (f o g)(3)
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Math Help

04/28/18

the difference of a number times 9 and 4 is equal to 5
translate to an equation
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Math Help

04/27/18

A middle school principal need to schedule six different classes – in six different time periods. How many different class schedules are possible?
A middle school principal need to schedule six different classes – algebra, English, history, Spanish, science, and gym – in six different time periods. How many different class schedules are... more
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Math Help

04/27/18

Consider the function represented by 9x + 3y = 12 with x as the independent variable. How can this function be written using function notation?
I have tried to solve this problem more the three times and still can not figure it out can someone please help me? 
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Math Help

04/27/18

The height of a shoe is 4 inches. The angle at the toe of the shoe is 42 degrees. Find the length of the shoe (toe to heel) to the nearest hundredth.
i need help with my math work
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04/27/18

Math Help needed
1) Simplify the expression and show the check of your answer. Assume that x and y represent nonnegative real numbers. √(64x^12 y^20 ) 2) Simplify the expression. Assume that x and y represent... more
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Math Help

04/27/18

In a song choir there are 5 boys. They make up 1/8 of the members of the choir. How many girls are in the choir?
Please show me how to solve it.
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Math Help

04/27/18

When tony has ran 1/3 of a training round, he has 5,000m left to run. How long is the training ground?
Please show me how to solve it 
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Math Help

04/27/18

the difference of two numbers is 1 and their quotient is 10
It is 5th grade math
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04/27/18

word problem help please!
A holding pen for cattle must be square and have a diagonal length of 110 meters.a. Find the length of a side of the pen.b. Find the area of the pen.
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04/26/18

x-4y+12=0 to y=mx+b
If this equation is -4y=-x-12 why is the next step y=x/4+12/4. I thought the 4 and 12 was suppose to be negative since i rearranged the equation
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Math Help Math

04/26/18

The current is 6mph a boat travels 84 mi downstream in the same time it takes to travel 42 mi upstream
The current in a stream is 6 mph. A boat travels 84 miles downstream in the same time it takes to travel 42 miles upstream. Find the speed of the boat in still water.
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04/26/18

Help with this word problem, I'm confused.
The first aircraft has 69 more seats than the second aircraft. The third aircraft has 30 fewer seats than the second aircraft. If their total number of seats is 372, find the number of seats for... more
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Math Help

04/26/18

a speaker has 7 cue cards, he drops all of them on the floor and picks them up randomly. What is the probability that cards #1, #2, #3 are still in order on th
the top of the stack?  Probability word problem with steps.
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Math Help

04/26/18

a bag contains nine real diamonds and five fake diamonds. If nine diamonds are picked from the bag at random what is the probability that all of them are real?
 Probability word problem help with step by step instructions
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04/26/18

John paints 2 portraits in 8 hours, 3 portraits in 12 hours, and 5 portraits in 20 hours. Which statement correctly describes this situation?
John paints 2 portraits in 8 hours, 3 portraits in 12 hours, and 5 portraits in 20 hours. Which statement correctly describes this situation? A. The given situation represents a proportional... more
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Math Help

04/26/18

how do i rewrite with positive exponents, assuming that even roots are of nonnegative quantities and that all denominators are nonzero
(10xz/11y)^-2/3
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