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Oliga [24]
3 years ago
5

(9x+7)(9x-7) what's the answer

Mathematics
2 answers:
MrRa [10]3 years ago
8 0
They cancel each other out because one is + and the other is -.
EastWind [94]3 years ago
4 0

81x^2 - 49. The middle terms cancel out because of the opposing signs, but the answer is 81x^2 - 49

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3912 divided by 48!!!!!!!!! Pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeee
iogann1982 [59]

Answer:

81.5

Step-by-step explanation:

7 0
3 years ago
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Angle ABC is formed by segments AB and BC on the following coordinate grid: A coordinate grid is shown from positive 6 to negati
Nadusha1986 [10]

Answer:

B) m∠ A'B'C' = m∠ABC

Step-by-step explanation:

A rotation does not change angle measure or side length.  It preserves congruence.

This means that the image angle, A'B'C', will be congruent to the pre-image angle, ABC.

5 0
3 years ago
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Suzi bought 5 packages of M&M's, and each package contained 18 candy pieces. She opened the first package and counted 4 gree
Leni [432]

Answer: The correct answer is option B: There are between 15 and 20 green pieces in all 5 packages

Step-by-step explanation: The most important factor has been given which is, "Which statement about the candy pieces in the remaining packages is best supported by this information."

The information given is such that, the first package she opened had 4 green pieces and on this basis we can safely assume that all other packages have 4 green pieces as well. The second package had 3 green pieces and this based on this too we can safely assume that all other packages had 3 green pieces. Hence, all 5 packages can either have a total of 4 x 5 green candies which equals a total of 20 green pieces or, all 5 packages can have a total of 3 x 5 green candies which equals a total of 15 green pieces.

So according to Suzi's experiment, there are between 15 and 20 green pieces in all 5 packages.

7 0
3 years ago
Line segment CD is congruent to line segment XY. Which of the following is an equivalent statement?
ohaa [14]
The one you have highlighted is correct, that is the sign for congruent.
3 0
3 years ago
Margo borrows $800 agreeing to pay it back with 5% annual interest after 16 months. How much interest will she pay?
Andru [333]
She will pay $640 because....

800(.05)= 40

40x16= 640

4 0
3 years ago
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