07/09/18
Can we use concave mirror or concave lens to focus sunlight?
Which is best to use to focus sunlight?concave mirror or concave lens?
07/08/18
A colony of fruit flies doubles every 10 mins. If there are 19683 flies now how many were there an hour ago
exponents for when the fruit flies double
07/08/18
Translation of a units to the right and b units up
Geometry
the function for
translation of a units to the b units up
07/08/18
What will be the magnitude and direction of net force if two unequal forces are acting on a body in opposite directions?
Please tell me answers
If the dimensions of a figure are doubled how many times larger will the volume be ?
For any figure doubled, how many times larger will the volume be ? For any figure
07/07/18
find the slope intercept form
find the slope intercept form of a vertical line that passes through (-3,5)
07/06/18
Find the half-life of a radioactive element, which decays according to the function A(t)=A0e^-0.0279t, where t is the time in years.
the half-life if the element is ___ years.
07/06/18
Math question
g(x)=-2x^2-20x-46
1. What is the function's maximum value?
2. Where does the function's maximum value occur?
Thank you for your help!
07/05/18
A rectangular garden is k+12 feet wide and 3k−2 feet long. What is the area, in square feet, of the garden, in terms of k ?
Having trouble understanding the process to get to answer.
07/04/18
i dont know how to do any of this :Given: 25x2 +49 = -70x A) Find the value of the discriminant. B) State the number and type of roots/solutions/zeros. {
I dont know how to do this at all. I just need the answer. Given: 25x2 +49 = -70xA) Find the value of the discriminant.B) State the number and type of roots/solutions/zeros. {2 real, 2 imaginary/ 1...
more
07/04/18
write an equation in which the graph of the line has a negative slope and the y-intercept equals -4 ?
.................
07/04/18
someone help!!: x2 - 8x + 5 = 0 A) Find the value of the discriminant. B) State the number and type of roots/solution/zeros. {2 real, 2 imaginary, or 1 real}
I need help with the question so badly!!!! 10 ptsGiven: x2 - 8x + 5 = 0A) Find the value of the discriminant.B) State the number and type of roots/solution/zeros. {2 real, 2 imaginary, or 1...
more
07/04/18
What does fourteen minus the product of 3 and a number is 26 look like?
I need it for a my math homework I dont u understand it
07/04/18
Average Rate of Change
Without doing any calculation, how can one determine the average rate of change of g(x)=mx+b over the interval x1≤ x≤ x2?
(numbers 1&2 on "x" are in subscript)
07/04/18
Instantaneous rates of change
Is there any limit to the magnitude of the instantaneous rate of change for f(x)=x^2 Explain.
07/04/18
The pH reading of a sample of each substance is given. Calculate the hydrogen ion concentration of the substance. (Give your answers in scientific notation, cor
for 5.4 ph value
07/04/18
the average rate
your driving to Texas which
is about 850 miles from you if the total driving time for the day was 9 hours then what was the average rate?
07/04/18
One number is 10 more than twice another
one number is 10 more than twice another
a.what is their sum?
b.what is their product
07/04/18
A WHEEL ROTATES 2640 TIMES AND COVERS A DISTANCE OF 13KM TO HM.FIND THE CIRCUMFERENCE OF THE WHEEL.
THIS QUESTION HAVE BEEN GIVEN IN TH MENTAL MATHS TEST
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