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Nataly [62]
3 years ago
9

At 9 a.m the outside temperature was -3 F. By noon the temperature was -12 F. Jorge said that it was getting warmer outside. Is

he correct?
Mathematics
1 answer:
vlada-n [284]3 years ago
5 0
No because the more negative the temperature is , the more colder it gets 
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Solve the following system of equations algebraically and check.<br><br> y=x^2+3x+4<br> y-x=7
FinnZ [79.3K]
Y=x^2+3x+4
y-x=7

x^2+3x+4-x=7
x^2+2x+4=7
(factor) x^2+2x-3=0
(x+3)(x-1)=0
X= -3 and X=1
(Plug x in for y)
Y= 1^2+3(1)+4
Y=8
(Check your answer on the second equation)
8-1=7
7=7 (Which is the solution)
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3 years ago
What is the sum of the series?​
Natalija [7]

Answer:

44

Step-by-step explanation:

k=1: 2*1-4 = -2

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k=3: 2*3²-4 = 14

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-2 + 4 + 14 + 28 = 44

4 0
3 years ago
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(3x- 1) 71 solve for the equation and x please
Ksivusya [100]

Answer:

x=24

Step-by-step explanation:

The opposite angles are equal as per certain theorems.

3x-1=71

3x=72

x=24

4 0
2 years ago
Please help. I will give ten points for answer
galina1969 [7]

Answer: 2nd graph and the point is (6,7)

Step-by-step explanation:

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2 years ago
can sumone just do number 17 for me thats it, ill give brainlist if correct and plz dont spam me or perposly answer knowing you
rusak2 [61]

Answer: For 17 is x=24

Step-by-step explanation:

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3 years ago
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