Answer:
Jay did.
Step-by-step explanation:
Jay ate 2/3 of a pizza, while Darrell ate 2/4
2/3 is greater, like 6/9, but, 2/4 is only half, like 4.5/9
Answer:
-x³ + 5y + 3
Step-by-step explanation:
It helps to rewrite the given polynomial according to its degree (exponent), in <u>descending</u> order. Also, for variables without a coefficient, it helps to include "1" with it to make it less confusing when combining like terms.
- x³ + 3y + ( 1 )y + ( 1 )y + 5 + 2 - 4
One way to simplify a polynomial is to combine the like terms if there are any. Two or more terms in a polynomial are like terms if they have the same variable(s) with the same exponent.
- x³ is the only term with an exponent of 3, so we wouldn't have to combine it with other terms. We need to combine the terms with the variable "y," as they have the same degree of 1.
- x³ + 5y + 5 + 2 - 4
Lastly, combine the constants (5 + 2 - 4):
- x³ + 5y + 3
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Answer:
this answer requires that you do a little solving to find all the dimensions we need for the volume.
We know that H (height) = 2m
Diameter = 5 x height, so
Diameter = 5 x 2m = 10m
If you have the formula for finding the volume of a cylinder, it is basically the area of the circular base x cylinder height. You may know already that the area of a circle is (pi) x radius2
So this will be 2 (the height) x (pi) x r2
As we just figured out, the DIAMETER is 10, so the radius is half the diameter = 5.
This brings our volume to 2 x (pi) x 52
= 2 x (pi) x 25
2x25 = 50, so we have 50 x (pi).
Pi = 3.14
50 x 3.14 = 157
And don't forget your units = 157 m3
Step-by-step explanation:
![- 6x + 7 = - 49 + 2x \\ - 6x - 2x = - 49 - 7 \\ - 8x = - 56 \\ x = \frac{ - 56}{ - 8} \\ x = 7](https://tex.z-dn.net/?f=%20-%206x%20%2B%207%20%3D%20%20-%2049%20%2B%202x%20%5C%5C%20%20-%206x%20-%202x%20%3D%20%20-%2049%20-%207%20%5C%5C%20%20-%208x%20%3D%20%20-%2056%20%5C%5C%20x%20%3D%20%20%5Cfrac%7B%20-%2056%7D%7B%20-%208%7D%20%20%5C%5C%20%20x%20%3D%207)