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Ann [662]
3 years ago
8

Solve for the varible 1) 7= 1+ 2p 2) -3p + 5= 8

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
8 0
P=3 and p=-1
First you subtract the number without a variable to the other side, so subtract one from seven, and subtract five from eight. After that just divide to make p by its self and you get the answer!!
adoni [48]3 years ago
3 0

Answer:

p=3 and p=-1

Step-by-step explanation:

1) 7=1+2p

Subtract 1 on both sides to isolate x.

7=1+2p

<u>-1 -1</u>

6=2p

Divide both sides by 2.

6=2p

<u>/2 /2</u>

3=p

2) -3p+5=8

Subtract 5 on both sides to isolate x.

-3p+5=8

     <u>-5  -5</u>

-3p=3

Divide both sides by -3.

-3p=3

<u>/-3 /-3</u>

p=-1

Hope this helps...have a wonderful day C:

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See the answers bellow

Step-by-step explanation:

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Using the definition of funcion, given f(x) we know that different x MUST give us different images. If we have two different values of x that arrive to the same f(x) this is not a function. So, the pair (-4, 1) will lead to something that is not a funcion as this would imply that the image of -4 is 1, it is, f(-4)=1 but as we see in the table f(-4)=2. So, as the same x, -4, gives us tw different images, this is not a function.

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As he will spend $10 dollars on shipping, so he has $110 for buying bulbs. As every bulb costs $20 and he cannot buy parts of a bulb (this is saying you that the domain is in integers) he will, at maximum, buy 5 bulbs at a cost of $100, with $10 resting. He can not buy 6 bulbs and with this $10 is impossible to buy 0.5 bulbs. So, the domain is in integers from 1 <= n <= 5. Option 4.

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