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xxMikexx [17]
3 years ago
7

Whats the answer I need help now pls

Mathematics
1 answer:
Alja [10]3 years ago
7 0

Answer:b is -6

Step-by-step

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What is 100x^2 - 64y^2 =
fredd [130]

Answer:

(10x + 8y)(10x - 8y)

Step-by-step explanation:

The given expression is 100x^2 -64y^2

100 can be written as 10^2

64 can be written as 8^2

100x^2 - 64y^2  = (10x)^2 - (8y)^2

We know that a^2 - b^2 = (a +b )(a - b)

Applying the formula, we get

(10x)^2 - (8y)^2 = (10x + 8y)(10x - 8y)

Answer: (10x + 8y)(10x - 8y)

Thank you.

3 0
3 years ago
Line l is perpendicular to line m with equation 2x + 5y = 20. line l intersects line m at (-5,6).
VladimirAG [237]

Answer:

The equation is y = -2/5x + 4

Step-by-step explanation:

First we have to find the slope of the line. In order to do so, solve the first equation for y.

2x + 5y = 20

5y = -2x + 20

y = -2/5x + 4

This gives us a slope of -2/5. Given that information, we now can plug the slope and point into point-slope form and get the final equation.

y - y1 = m(x - x1)

y - 6 = -2/5(x - -5)

y - 6 = -2/5(x + 5)

y - 6 = -2/5x - 2

y = -2/5x + 4

7 0
3 years ago
______ is a part of a whole. * 2 points A. Fraction B Cake C Bar D Pizza
Assoli18 [71]

Answer:

the answer iskskdmokke

4 0
3 years ago
Han wants to buy a $30 ticket to a game, but the pre-order tickets are sold out. He knows there will be more tickets sold the da
SVEN [57.7K]

Answer:$90


Step-by-step explanation: $30 is the cost. 200 is the percent of Mark-up, so you take 100 percent of 30 and add it together then you get 60. Repeat that step for a total of 90. 100 percent of 30 is 30. So 30+ 30+ 30 = 90.


4 0
4 years ago
The number of hits on a website doubles every month. About 10,600 people visited the website during May. The expression 10,600 ·
Vikki [24]
If t = 0, this would indicate that no time has passed and therefore no visitors have since visited the website. (10,600 • 2(0)  = 0)

if t = -2, this would indicate that this is how many visitors there were in comparison to 2 months ago, which is why the number is negative to indicate that there were less visitors two months prior compared to now (10,600 • 2(-2) = -42,400)
5 0
3 years ago
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