05/29/20

the primiter of a rectangle is 90 centimeters the leght is 27 centimeters what is the width of the rectangle
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05/29/20

Two numbers have a difference of 20. Find the numbers if the sum of their squares is a minimum.
Please help, i cant get the answer! Thank you in advance!
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05/29/20

One number is 9 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 639​, find the numbers.
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05/29/20

Please help, Algebra word problem!
Luis wanted to throw an apple to Kim, who was on a balcony 40 feet above him, so hetossed it upward with an initial speed of 56 ft/sec. Kim missed it on the way up, but then caughtit on the way... more
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05/29/20

line q had an equation of y= -4x - 9. Line r, which is parallel to line q, includes the point (-4,10). what is the equation of line r?
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05/29/20

line q had an equation of y= -4x - 9. Line r, which is parallel to line q, includes the point (-4,10). what is the equation of line r?
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05/29/20

If (a,3) is a point on the graph of y=x^2 -2x , then what is a?
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05/29/20

For the line y = 4x + 7, write the equation for a line that is perpendicular, but has the y intercept (0,2)
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05/29/20

MATH 1 HELP!!!!
Max wanted to try a new Circus act. He was going to be catapulted through the air and will follow the path created by the function: -16t^2 + 28t + 8 where f(t) is the height of Max in meter in any... more
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05/29/20

Physics - question
Find the angle of incidence in the water that gives the boundary angle for total reflection in itlater the transition between glass and air.Which option is right?
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05/29/20

Algebra Word Problem
Mike and James go out for lunch. Mike buys 3 burgers and 2 fries for $5.75. James buys 5 burgers and 1 fry for $7.25 . Which of the following systems can be used to determine the cost of a burger... more
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05/28/20

This system of equtions has no soultions, x-6y=4;3x-18y=4, change one number to make it have infinte soultions
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05/28/20

A lot is 60m by 34m. A house 25m by 9M is built on the lot.how much is left over
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05/28/20

Four less than 5 times a number gives 31
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05/28/20

A man on at 135 feet vertical clear looks down at an angle of 16° and sees his friend how far away is the man from his friend round to the nearest 10th
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05/28/20

On a running dive from a platform, Larissa’s height, h, in meters is given by ℎ=−4𝑡^2+4𝑡+8where t, is the time in seconds. Round all answers to 2 DECIMAL PLACES.
I have 3 questions with it, How high is the platform? When does she reach her maximum height? What is her maximum height? Please help, i cant get the answers! Thank you in advance!
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05/28/20

Find the average
If the average of 15 is A, and the average of 20 is B, what is the average of the two number?a. 3A + 4Bb. 15A + 20Bc. (A + B)/35d. (3A + 4B)/35e. A + B
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05/28/20

Apply the distributive property to factor out the greatest common factor. 55+35=55+35=
I am in 5th grade but doing 7th grade khan for a huge grade.NEED HELP ALOT I am not even smart.
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05/28/20

The weight of a load berries directly with the number of boxes in the load A loaf of 18 boxes weighs 390 pounds what does the load of 12 boxes weigh
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05/28/20

Math : The dimensions of a cereal box are 6 1/2 in by 2 3/4 in by 10 1/3 in. What is the volume of the cereal in the box if they fill it 3/4full? box if they fill it 3/4 full?
i dont get itThe dimensions of a cereal box are 6 1/2 in by 2 3/4 in by 10 1/3 in. What is the volume of the cereal in the box if they fill it 3/4full? i need help quick 
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05/28/20

2x - 20 = 86 x=?
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05/28/20

the farther a number is from zero, the more the value of the number decreases. True or false
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05/28/20

What number am I thinking of?
Add me to myself then add two moreyou will get 14what number am I?
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05/28/20

physics question
In 1973, Secretariat was the winning horse in the Kentucky Derby, at Churchill Downs, in Louisville, Kentucky. Secretariat ran 3011.68 m in 120.4 s. Calculate the average speed of the horse, and... more
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05/28/20

Perpendicular lines
Find the equation of the line, in Ax+By=C form, that contains the point (2,1) and is perpendicular to the following line. y=4/5x+3 Show work
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