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Anna [14]
3 years ago
10

Someone please help me with #15

Mathematics
1 answer:
harina [27]3 years ago
6 0

Answer:

b. A year and a half

Step-by-step explanation:

First, we can find the total cost

1512+263=1775

Next, we can divide by 50 in order to find out how many months it will take for the panel to pay for itself.

\frac{1775}{50} =35.5 months

This is very close to 36 months, which is <u>A year and a half</u>.

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I dont know functions
Irina-Kira [14]

Answer:

6, -8

Step-by-step explanation:

You need to find out the possible values of which X cannot equal

In fractions the only way that's possible is if the denominator= 0

Because everything in the denominator is being mulitplied this is pretty simple

We need either parantheses to equal 0

so we take them and solve for 0

we have

x-6= 0

x=6

x+8=0

x= -8

5 0
3 years ago
What is the equation of the graph below?
Harlamova29_29 [7]

Hey there! :)

Answer:

y= cos (x+ \pi })

Step-by-step explanation:

Normally, in the parent function y = cos x, when X = π, Y = -1. However, in this graph, when X = 0π, Y = -1.

Therefore, there has been a horizontal shift of π to the left. The new equation would be:

y= cos (x+ \pi })

6 0
3 years ago
9.
liberstina [14]
The answer would be A (3/2)
4 0
3 years ago
Read 2 more answers
Which sequence begins with 1 and follows this rule? multiply by 2 and add 1.
Olin [163]
Change the information into an equation and do sequence. pull out any necessary information.
y = 2x + 1
starts at 1... so your first sequence is 1.
plug in x=1 then it becomes 3. then the next sequence you plug in 3 (, the answer to your previous solve) you get 7. continue to do this. next sequence you plug in x=7 into the equation y = 2x + 1.
thus, y = 2(7) + 1 =15... so forth...
therefore the answer is B.

Hope this helps :)
5 0
3 years ago
Please help, Easy maths.
svetoff [14.1K]

Answer:

x-5y

Step-by-step explanation:

6x-8y-5x+3y

Add or subtract like terms.

1x-5y

8 0
3 years ago
Read 2 more answers
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