Mathematics, 18.02.2021 21:30 gg1040
How to find value of x when given the length, width and total surface area
Example - Diagram screenshot above:
Total Surface Area of cuboid: 2lb + 2bh + 2hl
Length: 10cm
Base: 2cm
Height: xcm
Simplify:
2(10)(2) + 2(2)(x) + 2(x)(10) = 112
40 + 4x + 20x = 112
40 + 24x = 112
Make x the subject, therefore subtract 40 on both sides.
24x = 112 - 40
24x = 72
Find the value of x, hence divide by 24 on both sides.
x = 72/24
x = 3
Answers: 1
Mathematics, 21.06.2019 19:30
Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)
Answers: 1
Mathematics, 21.06.2019 22:00
After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. you notice the rainbow is the shape of a parabola. the equation for this parabola is y = -x2 + 36. graph of a parabola opening down at the vertex 0 comma 36 crossing the xβaxis at negative 6 comma 0 and 6 comma 0. in the distance, an airplane is taking off. as it ascends during take-off, it makes a slanted line that cuts through the rainbow at two points. create a table of at least four values for the function that includes two points of intersection between the airplane and the rainbow. analyze the two functions. answer the following reflection questions in complete sentences. what is the domain and range of the rainbow? explain what the domain and range represent. do all of the values make sense in this situation? why or why not? what are the x- and y-intercepts of the rainbow? explain what each intercept represents. is the linear function you created with your table positive or negative? explain. what are the solutions or solution to the system of equations created? explain what it or they represent. create your own piecewise function with at least two functions. explain, using complete sentences, the steps for graphing the function. graph the function by hand or using a graphing software of your choice (remember to submit the graph).
Answers: 2
Mathematics, 21.06.2019 22:20
The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22
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Mathematics, 22.06.2019 00:00
At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.
Answers: 1
How to find value of x when given the length, width and total surface area
Example - Diagram screen...
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