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Pie
3 years ago
6

Please help???

Mathematics
2 answers:
3241004551 [841]3 years ago
8 0
It’s (x-8y)^2 I’m sure
Alisiya [41]3 years ago
7 0

Answer:

The answer is ( x-8y )(x-8y)    [ c ]

Step-by-step explanation:

x^2 - 16xy + 64y^2   equation 1

rewrite 64y^2 as (8y)^2

then equation 1 becomes

x^2 - 16xy + (8y)^2 equation 2

<em>using the perfect square trinomial rule </em>

a^2 - 2ab + b^2   equation 3

comparing the middle term of equation 3 to equation 2

2ab = -16xy  which can be simplified as 2*x*(-8y)

NOTE { a = x  and b = -8y}  from  equation 2

equation 3 is simplified as (a - b)^2

answer then becomes (x-8y)^2  or can be written as (x-8y)(x-8y)

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Please help I want summer school done. Which graph corresponds to the given function?
Alexus [3.1K]

Answer:

The first option in the first picture

Step-by-step explanation:

Good luck with summer school bud :)

3 0
2 years ago
The equations of two functions are y=-21x+9 and y=24x+8 which function is changing more quickly? Explain
antoniya [11.8K]

Given:

The equations are

y=-21x+9

y=24x+8

To find:

Which function is changing more quickly.

Solution:

The slope intercept form of a line is

y=mx+b

Where m is slope and b is y-intercept.

On comparing y=-21x+9 with the slope intercept form, we get

m_1=-21

|m_1|=|-21|

|m_1|=21

On comparing y=24x+8 with the slope intercept form, we get

m_2=24

|m_2|=24

Since, |m_1|, it means the absolute rate of change of second function is greater than the first function.

Therefore, the second function is changing more quickly.

3 0
3 years ago
A 120-watt light bulb uses about 0.1 kilowatt of electricity per hour. If electricity costs $0.20 per kilowatt hour, how much do
saveliy_v [14]
There is no such thing as a "kilowatt per hour". If that's actually what the question says, then it's a defective question, and you should put it away before it makes you any more confused. A 120 watt light bulb uses exactly 0.12 kilowatt when it's turned on. In one hour, it uses (0.12 kilowatt) x (1 hour) = 0.12 kilowatt-hour of energy. If energy costs $0.20 per kilowatt-hour, then the cost is (0.12) x (0.20) = 2.4 cents. (0.024 dollar)
8 0
3 years ago
I have no clue what to do... please help
strojnjashka [21]

Answer:

Multiply the base by the exponent

Step-by-step explanation:

7 0
3 years ago
Solve for x.
Tamiku [17]
The answer to the question is a

5 0
2 years ago
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