08/19/19

One number is 9 more than a second number. Four times the first is 7 less than 5 times the second. Find the numbers
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08/18/19

If you worked 2/5 of an hour, how many fifteenths of an hour did you work

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08/18/19

going into the final exam, which will count as two tests, Amelia has test scores of 75, 80, 72, 63, and 94. what score does Amelia need on the final in order to have an average score of 80

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08/18/19

19 increased by twice a number
19 increased by twice a number
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08/18/19

I need help with number 4 plz

4) Insert parenthesis in each expression to make a true equation.a) 5 - 2 x 6 - 5 + 2 = 5 b) 12/4 + 10 - 3 x 3 + 7 = 11 c) 22 - 32 - 5 x 3 - 5 = 30 d) 12 - 8 - 4 x 5 = 8
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08/18/19

How can I prove this mathmatical induction?
∑j=1n 2j = 2(2n-1)
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08/18/19

Choose the more precise measurement from the pair 54.1 cm and 54.16 cm. Justify your answer.
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08/17/19

Algebraic expression
The sum of 24 and twice Vanessa's height
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08/17/19

height versus drop
A helicopter flying at an altitude of 600ft dropped a package to a lifeboat. Use the formula t=square root of h/4 to find how many seconds it takes for the package to reach the lifeboat. Round your... more
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08/17/19

area of picture frame
A square picture frame encloses a picture with area 65in2. Use the formula s=A−−√ to find the length of one side of the picture. Round your answer to the nearest tenth of a inch.
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08/17/19

math help algebra 1 or 2
The cross section of television antenna dish is a parabola and the receiver is located at the focus, 5 feet above the vertex. A. find an equation for the cross section of the dish.( assume the... more
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08/17/19

Starting with 30 dollars on a gift card, I spend 5 dollars a day at Starbucks. What is my domain and range?
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08/16/19

If f(x)=x^2-1, describe in words what f(x)-4 would do to the graph of f(x).
Please help. I do not understand.
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08/15/19

Michael is doing an underwater handstand. His feet are sticking up 2 feet above the surface of the water. Michael's hands are 5 feet directly below his feet.
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08/15/19

solve and graph the inequality 6. 7 ≥ - 0. 2 x + 4. 5
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08/15/19

Help: Math problem with quadratic equation
A cheetah travels 40 kmph faster than a lion. The cheetah goes 360 km in 3 hours less time than the lion goes 360 km. Find the speed of each animal
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08/14/19

the difference of eleven and four times five
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08/14/19

A positive integer is twice another. The sum of the reciprocals of the two positive integers is (3,10). Find the two integers.
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08/14/19

Difference of three times a number and 4 is -19
Please help tank tank tank tank
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08/14/19

Distant formula
A train traveled at 62 miles per hour for 7 1/2 hours. How far did the train travel in7 1/2 hours? Use the formula D=r*t
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08/13/19

Find the equation of the line: with x-intercept 5 and y- intercept -7
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08/13/19

Find the equation of the line: with slope -4 through (-2,5)
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08/13/19

Find the equation of the line: through (5,-1) and(2,2)
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08/13/19

Solve the problem: The number a is 1/5 smaller than the number b .By how much is b bigger than a?
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08/13/19

12^(x+10)=13^(-9x) Write the exact answer using either base-10 or base-e logarithms.
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