05/14/20
Find the value of b such that the system of equations does not have a solution
12x+20y=-7bx-15y=-5
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05/14/20
The difference of two numbers is -1.If twice the first number is added to three times the second number,the result is 13.What are the numbers?
AlgebraWorder problem using 2 unknowns and a system of 2 equations
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05/14/20
kylie spends $5.50 on 4 notebooks and 2 pens, Chloe spends $3.75 on 4 notebooks and 2 pens. How much is in one notebook and one pen?
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05/14/20
7 is less than or equal to the difference of a number q and 6
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05/14/20
A 16 foot ladder leans against a wall. The base of the ladder is 6 feet from where the wall meets the ground. How far up the wall does the ladder reach?
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05/14/20
A commuter train travels 54 miles in 41 minutes. What is the speed in miles per hour?
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05/14/20
a numbers is 9 times a first number. a third number 100 more than the first number is the sum of the the numbers is 848 find the numbers
a numbers is 9 times a first number. a third number 100 more than the first number is the sum of the the numbers is 848 find the numbers
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05/14/20
The population of a city is 81,000 and the annual growth rate is 0.9%. Write an equation to model the population y after x years.
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05/13/20
One angle has twice as many degrees as another angle. The sum of the angle is 150 degrees. How many degrees are in each angle?
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05/13/20
Is (1, 8) a solution to this system of equations? y = x + 1 y = 5x + 3
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05/13/20
Form a polynomial function f(x) of degree 4, with a leading coefficient of 1, and contains the zeros 7,-7,and 2i
a) write the function f(x) in factored form b) multiply and simplify the function f(x)
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05/13/20
What is the y intercept
What what is the Y intercept of y equals negative 3x - 2
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05/13/20
A soda can is placed inside a cooler....
A soda can is placed inside a cooler. As the soda cools, the temperature T(x) in degrees Celsius is given by the following function, where X is the number of minutes since the Cannes was placed in...
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05/13/20
The product of a number and 3 less than the number is 18. Find the number
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05/13/20
Daniel has read 10% of a book. He has 72 more pages to finish. How many pages are there in the book?
Please Help Me I don't get it, for me it is a little hard to get the answer correct.
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05/13/20
I am thinking of a number
I am thinking of a numberI multiply it by 11 and add 20I get the same number when I multiply it by 4 and add 139what is the answer
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05/13/20
Rationalise the denominator of 6 / sq.rt. 7 -2
Rationalise the denominator of 6 / √7 -2 Show your working clearly
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05/13/20
If the radius of one circle is 6 times the radius of another, what is the ratio of their areas? Of their circumferences? Of their diameters?
The answers that I got are 36:1 (as areas), 6:1 (as circumferences), and 6:1 (as diameters), but the teacher puts the answers as 1:36, 1:6, and 1:6. Can both of the ways be correct? I mean the...
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05/13/20
What is the slope of a line that is parallel to the line 2y - 4x = 8?
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05/13/20
The earth experiences seasons because it is tilted 23.5* as it revolves around the sun
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