7,189 Answered Questions for the topic Math Help

Math Help

10/30/17

What is the leading coefficient of
5x+2-3x2
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Math Help

10/30/17

What is the unit rate of 630 miles in 7 hours
My question is about unit rates because I struggle figuring out unit rates.
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10/30/17

Jack is 4 times as old as Lacy. 9 years ago the sum of their ages was 47. How old are they now?
I've been stuck on this question for about 30 minutes, I don't get it. Can anyone help?
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Math Help

10/30/17

Algebra Seventh Grade
Write an equation that gives the cost y of renting a car for x days from Rent-All. I don't want to know the answer but just how to do it.
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Math Help

10/30/17

A computer was priced at $850. You paid 20% in cash. How much was not paid in cash?
same as the question above
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10/30/17

Find an nth degree polynomial function with real coefficients satisfying the given conditions
n=3     -2, and -2+3i are zeros   leading coefficient is 1
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10/30/17

Solve the equation
e2x − 3ex + 2 = 0
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10/30/17

After how many days are there only 5 g remaining?
A 15 g sample of radioactive iodine decays in such a way that the mass remaining after t days is given bym(t) = 15e−0.087t, where m(t) is measured in grams.
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Math Help

10/29/17

sumalee won 40 super bouncy balls playing horesshoes at her schools game night later she gave two to each of her friends she only has 8 remining how many friend
I really need help with this. 
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Math Help

10/29/17

i want knew how they got 32 % as the answer
Objects that are manufactured to certain specifications tend to vary slightly from their specified measurements. In answering the following, assume the measurements are normally distributed. A... more
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Math Help

10/29/17

Exponential Function
For the exponential function increasing t by 1 unit multiplies N by a^5 , where a > 0 . How does an increase by 7 units affect N ?
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Math Help

10/29/17

What is x if x is an integer
what is -3 <x≤0
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Math Help

10/29/17

i want knew how did they get the answer i have below
A DC­10 shuttle flight between two cities has a total seating of 331, a mean of 253 passengers, and a standard deviation of 39 passengers. What percentage of the time is this flight able to meet... more
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Math Help

10/29/17

i need to knew how they got this answer to a promble i got wrong
An ice cream shop owner hires a clerk and informs him that the mean weight of scoops of ice cream should be 47 grams. The clerk weighs out seven ice cream scoops with the following weights in... more
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Math Help

10/29/17

three adults and four children must pay $136. two adults and three children m
 three adults and four children must pay $136. two adults and three children must pay $97. Find the price of the adult tickets and the price of the childs tickets
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10/28/17

Help me with this math problem?
Solve x+5=1 in ZZ6.  Answer: x=2   How do I solve this? It's modulo problem. 
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Math Help

10/28/17

What is the domain and range of f(x)=14(x+9)
What is the domain and range of f(x)=14(x+9)
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Math Help

10/26/17

how do i gets (x^2-y^2) to (x+y)(x-y)?
 i got the answer but i did it by playing around with terms unlit they fit. I want to know if there a better way of doing this.
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Math Help

10/26/17

What is the slope of the line represented by 5x-12y= 24?
Don’t understand how to solve this equation.
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10/26/17

How many finish the race
 They are 75 runners start race in the first half of the race 1/3  of them dropped out in the second half of the race 3/5  over meaning runners dropped out how many runners finish the race 
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10/26/17

2. State the characteristics of the graph of a basic exponential function. Include whether the function is increasing or decreasing, the domain, the range, any
Working on a math paper and this is one of the questions. Help!
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10/26/17

Differential Equations - Fundamental Set of Solutions
Find the fundamental set of solutions for the given differential equation L[y]=y′′−9y′+20y=0 and initial point t0=0 that also specifies y1(t0)=1, y′1(t0)=0, y2(t0)=0 and y′2(t0)=1.
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Math Help

10/25/17

How would I draw a model that represents 2/5 divided by 1/3
 I need to know how to represent 2/5 divided by 1/3 and one that represents 3/4 divided by 1/2
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Math Help

10/25/17

There were 345 strawberry cones sold. They sold 3450 cones of other flavors. What is the relationship of these two numbers
Math word problems 
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Math Help English

10/25/17

62 is four times the sum of a number and 3
I have great grades at school and i will help anybody who needs help all they have to do is ask
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