11/23/21

Applications of linear equations
The total cost of a belt and a sweater was . If the price of the belt was less than the sweater, what was the price of the belt? Express your answer as a simplified fraction or a decimal rounded... more
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11/23/21

What is the answer to the problem?
Over a period of time, a hot object cools to the temperature of the surrounding air. This is described mathematically as Newtons Law of Cooling T=C+(t_0-C)e^-kt, where t is the time it takes for an... more
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11/22/21

12. Write the equation in slope-intercept form of the line that passes through (4, −5) and is perpendicular to the graph of y = 4x + 12.
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11/22/21

Math help: LINES, FUNCTIONS, SYSTEMS Solving a distance, rate, time problem using a system of linear equations
Two trains leave towns 1506 kilometers apart at the same time and travel toward each other. One train travels 21km faster than the other. If they meet in 6 hours, what is the rate of each train?
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11/22/21

The area of a mirror is 225 square inches, and its width is 13 3/4 inches. Will the mirror fit in a space that is 15 inches by 16 inches?
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11/22/21

What number would be represented by (3 x 100) + (2 x 10) + (0 x 1) + ( 0 x .1) + (9 x .01) + ( 7 x .001) *
What number would be represented by (3 x 100) + (2 x 10) + (0 x 1) + ( 0 x .1) + (9 x .01) + ( 7 x .001) *
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11/22/21

Esteban has a big jar of change in his room. He has 600 coins total, and 240 of them are pennies. What percentage of the coins are pennies?
What percentage of the coins are pennies?
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11/22/21

The polynomial of degree 4, P(x), has a root of multiplicity 2 at x=0 and x=-1. It goes through the point of (5,21). Find a formula for P(x).
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11/21/21

what equation is equal to 5/12 + 1 1/3
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11/21/21

I wish I could show a picture this is for parabolas and quadratics
So I have the given the points (-5,0) (-3,-1) and (9,0) I'm asked to use the given roots and point to find the equation as in f(x)=a(x-h)+k. There is no given vertex or a value so I'm not sure how... more
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11/21/21

What would be an world problem to teach children about the fraction 2/3
What would be an world problem to teach children about the fraction 2/3
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11/21/21

If 6000 dollars is invested at an interest rate of 8 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest cent.
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11/21/21

Quadratic problem

Suppose ƒ(x)= x^2-5x+4a) Determine the x-intercepts of the function. (list the value(s) of the x separated by a comma)b) find the solution(s) for: x^2-5x+4=0 (they want the solutions in a inequality)
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11/20/21

math word problem

A​ penny, a​ nickel, a​ dime, and a quarter are tossed. What is the probability of obtaining exactly three tails on the​ tosses?
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11/19/21

Estimate the shoulder height
The height of an adult elk is related to its antler spread. This relationship can be modeled by the function h(x)=-204+68 in x where h(x) is the shoulder height and c is the antler spread (both in... more
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11/19/21

At the local bakery, Ariel bought 2 oatmeal cookies for $1.50. Mei bought 12 dozen oatmeal cookies for $4.50. Becky bought 8 oatmeal cookies for $6.00.
its a graph so i need a graph answer
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11/19/21

At the local bakery, Ariel bought 2 oatmeal cookies for $1.50. Mei bought 12 dozen oatmeal cookies for $4.50. Becky bought 8 oatmeal cookies for $6.00.
its a graph so i need a graph answer
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11/19/21

At that rate, how long will it take her to go 4.5 miles?
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11/19/21

Write the equation of the line that passes through the points (-6,-3)(−6,−3) and (-3,1)(−3,1). Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.
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11/19/21

Write the equation of the line that passes through the points (-6,-3)(−6,−3) and (-3,1)(−3,1). Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.
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11/19/21

A baker used 4 cups of flour to make 5 batches of brownies. How many cups does the baker need to make 1 batch of browniesmake

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11/19/21

real world applications
how many liters of a 30% solution must be added to how many litres of a 70% solution to make 50l of a 40% solution? An investor invests $18,000 into two accounts, one that pays 1.5% simple... more
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11/19/21

Solve the following quadratic equation z²-4zi+4i=7
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11/19/21

The ratio of girls to boys in the math club was 3:5. If there were 120 children altogether, how many girls were there?

The ratio of girls to bthe math club was 3:5. If there were 120 children altogether, how many girlThe ratio of girls to boys in the math club was 3:5. If there were 120 children altogether, how... more
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11/18/21

PAP Algebra Question (grade 8)
What is the equation of the line that passes through the point (3,−1) and is perpendicular to the equation y=−3x+2?
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