02/26/21

she buys 7 pounds of bananas for $3.50 what is the unit rate

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02/26/21

Mathematics Ratos

A bag contains 6 blue marbles, 8 green marbles, 12 red marbles, and 14 yellow marbles. What is the ratio of red marbles total marbles? Read carefully. 8 : 406 : 223 : 1012 : 426:12
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02/26/21

Consider a closed rectangular box with a square base with side x and height y .
a. Find an equation for the surface area of the rectangular box.S(x,y)=______________b. If the surface area of the rectangular box is 32 square feet, find dy/dx when x=2 feet... more
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02/26/21

If √ x + √ y = 11 and y ( 4 ) = 81, find y ' ( 4 ) by implicit differentiation.
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02/26/21

If y varies directly as x, and y is 36 when x is 12. If x is 9 then y is?

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02/26/21

The three sides of a triangle are n, 4n-2, and 4n+1. If the perimeter of the triangle is 71 centimeters, what is the length of each side

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02/26/21

As θ → 90° and θ > 90°, tan(θ°)→
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02/26/21

Find the value(s) of θ such that cos (θ) = -1/2 in the interval -270° < θ < -90°
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02/26/21

An angle of 5.5 radians is subtended by an arc of a circle with radius 11 cm. What is the length, in centimeters, of the arc?
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02/26/21

Seven times the opposite of a number is 50 less than 3 times the number
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02/26/21

Which function has the same graph as f(x) = 0.3|x|?
Which function has the same graph as f(x) = 0.3|x|? A.f(x)={0.3x,x<0−0.3x,x≥0 B.f(x)={−0.3x,x≥00.3x,x<0 C.f(x)={−0.3x,x>00.3x,x≤0 D f(x)={0.3x,x≥0−0.3x,x<0
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02/26/21

The foot of an extension ladder is

The foot of an extension ladder is 5 ft from a wall. The height that the ladder reaches on the wall and the length of the ladder are consecutive integers. How long is the​ ladder?
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02/26/21

M=undefined, (6,3)
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02/25/21

7th grade math studies
If 4/5 cups of paint are mixed with 4 cups of blue paint to make purple paint. How many cups of blue paint are used for each cup of red paint?
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02/25/21

The length of one side of a rectangle is x + 4. The area of the rectangle is x^2 = 16x + 48. Find an expression in x for the length of the other side.
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02/25/21

College algebra

Julian From from college travelling the average speed of 65.4 miles per hour and drove back to the college the following weekend average speed of 61.7 miles per hour. if they told around trip took... more
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02/25/21

College algebra

The phone Company next fell has a monthly cellular plan where a customer pays a flat monthly fee and a certain amount of money per minute used on the phone. Customer uses 440 minutes, the monthly... more
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02/25/21

Math Problem Solving
The mint currently makes about 30 million pennies a day. How many is this per second? (Round your answer to the nearest penny.) How many per year?
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02/25/21

Find the linear function f(x) (where x is in miles and f(x) is in dollars)
Suppose that a car rental agency charges a fixed amount per day plus an amount per mile for renting a car. Heidi rented a car one day and paid $101.50 for 190 miles. On another day she rented a car... more
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02/25/21

Math question for college student

The sum of lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 21 cm and a second side that is 3 cm less than twice the third size, what... more
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02/25/21

The variables x and y very directly. use the values to find the constant of proportionality, k. then write an equation that relates x and y. write any fractions in simplest form. y = 20 and x = 12
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02/25/21

Find the equation for the line parallel to the line with the equation y-5=1/2(x+1) passing through the the point (-4,-5)
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02/25/21

how to solve perfect squared trinomials with a GCF of 2?
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02/25/21

write an equation in slope intercept form for the line that passes through the given point and is perpendicular to the given line.
(-4,2); y=7
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02/25/21

Suppose sina=4/5 and tanB=-3/4, where pi/2<a<B<pi. Find cot(a-B).
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