Simplify.
3x^2−7x+9 - 2x^2+4x−8
1. 3x^2-2x^2 = x
2. -7x + 4x = -3x
3. 9 - 8 = 1
Combine.
x -3x +1
Thus, 2x^2+4x−8 is x -3x +1 less than 3x^2−7x+9
The answer in here is d. 3:1. The reason is founded on the following basic calculation: <span>640/52=12.307. After doing the proportion you will see that he ratio is 3:1. Hope this is useful for you</span>
Answer:
I can tell you that it is not A. I can't tell what the other tables say because the image is cropped. If you could please fix the image, I will be able to help you.
Answer and Step-by-step explanation:
Solution:
Statement:
If two planes intersect their intersection is a line.
Suppose that
P =if two planes intersect.
q = then their intersection is line.
¬p = if two planes do not intersect.
¬q = then their intersection is not a line.
Converse:
If two planes intersect their intersection is a line.
P → q
Inverse:
If two planes do not intersect, then their intersection is not a line.
¬p → ¬q
Contrapositive:
If two planes intersection is not a line, then they do not intersect.
¬q → ¬p
Let us assume that the number of beige tiles bought by Susan = B
Number of red tiles bought by Susan = R
Number of navy-blue tiles bought by Susan =N
Number of tiles bought altogether = 435
Now from the given question we know:
Number of red tiles bought is 25 more than the number of beige tiles.
So
R = 25 + B
Number of navy blue tiles bought is 3 times that of the number of beige tile bought
So
N = 3B
We already know that the total number of tiles bought is 435
Hence
B + R + N = 435
B + (25 + B) + 3B = 435
5B + 25 = 435
5B = 435 -25
5B = 410
B = 82
R = 25 + B
= 25 + 82
= 107
N = 3B
= 3 * 82
= 246
So the number of Beige tiles bought by Susan = 82
The number of red tiles bought by Susan = 107
The number of navy-blue tiles bought by Susan = 246
