02/11/21

A man 6 ft tall casts a 15 inch shadow, at the same time the building he is standing by is casting a 5 foot shadow. What is the height of the building (in feet)?
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02/11/21

Skippy cycles 30km west and 24 km south from where he started. Find Skippy’s distance from his starting point. ALS, find Skippy’s bearing of his final destination from his starting point.
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02/11/21

Problem Solving Equation

One week a computer store so the total 36 computers and external hard drives. The revenue from these sales was $25600. If computers sold for $1180 per unit and hard drives for $125 per unit, how... more
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02/11/21

Simplify the expression by combining the like terms. Explain your thinking
X4 + x4 + 2x2 + 3x2
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02/11/21

15 more than 3 times a number is 5 less than 2 times a number in algebraic expression
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02/11/21

About a salesperson
A salesperson earns $25 per day plus for every sale. He normally earns $100 per day. How many sales doe she normally get?
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02/11/21

A chemist wants to mix 15% alcohol solution at a 40% alcohol solution to make a 30% alcohol solution. How many of each solution must be mix to make 10 Liters of the 30% solution
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02/11/21

The length of a rectangle is four times its width. If the perimeter of the rectangle is 60 in, find its area

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02/10/21

Help with math question
which is inequality is equivalent to the statement . A number,n,decreased by 2 greater than it equal to 8?
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02/10/21

equivalent expression to 8(x-10) using the distributive property
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02/10/21

An item has a listed price of $80. If the sales tax rate is 9%, how much is the sales tax?
please put the sales tax in dollars
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02/10/21

what is the slope-intercept form of this equation? Show all your work: 8x + 4y = 12
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02/10/21

Math question for fun
find the cost of gasoline for a 300- mile trip if the car gets 28 miles per gallon and gasoline costs $2.39 per gallon. (convert 300 miles to dollars) round answer to nearest penny. (2 decimal... more
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02/10/21

to simplify an exponent, use the base as a factor as many times as indicated by the exponent.
Please help me solve the equation from the title.
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02/10/21

Algebra question
meg rowed her boat upstream a distance of 96 mi and then rowed back to the strating point. the total time of the trip was 20 hours. if the rate of the current was 2 mph, find the average speed of... more
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02/10/21

Can you help me solve this question
At first, the ratio of Jim's money to Peter's money was 4:7. After Peter gives 3/14 of his money to Jim, they have equal amounts of money. How much money did Jim have at first?
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02/10/21

the length of a rectangle is 5 times its width. If the length and width are both increased by 2 the new area is 132 square units. What is the original area?
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02/10/21

What is an equation of the line that passes through the point (-1,2) and is parallel to the line 3x+y=3?
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02/10/21

use the given information about θ to find the exact values of sin(2θ) , sin (θ/2), cos(2θ) ,cos (θ/2),tan(2θ) ,tan(θ/2) of cos(θ) = 3/5 where 0 < θ < π/2
Hello i am stuck on this problem where i have to find all the values i listed with cos(3/5) and it lies in the first quadrant
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02/10/21

What are 3 equivalent ratios for the ratio 3/5?
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02/10/21

Three friends went out to lunch. They each started with the same amount of money, and they each spent $9. They ended with a combined total of $18. How much money did each of them have to start?
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02/10/21

Calculus finding left and right limits at the following points
Find the left and right sided limits of the following functions at the given point. Are the functions continuous at the point? (a) f(x)=x^2+2, x=1
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02/10/21

How do I graph this
y= -x +1Y= 3x - 3
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02/10/21

I need help with a math problem for school.
-3(p+1) is greater than or equal to -18.
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02/10/21

Match angles of rotation that have the same sine value.
25°-----130°----−50°-------205°-------65°------230*, 115*, 50*, 155, -130*, -25, -65*
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