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lara31 [8.8K]
3 years ago
7

Explain why writing the answer as (-1, 2) would be incorrect.

Mathematics
2 answers:
abruzzese [7]3 years ago
5 0

Answer:

there has to be a graph or table right?

Step-by-step explanation:

vlada-n [284]3 years ago
3 0
Jaishsmsihsbsisgskisdhsjd
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How do I factorise out the negative?
SCORPION-xisa [38]
I think the anser is c that what i think
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Sam and Jeremy have ages that are consecutive odd integers. The product of their ages is 783, which equation could be used to fi
stepladder [879]
(2x+1)=Jeremy´s age
(2x+3)=Sam´s age.
we suggest this equation:
(2x+1)(2x+3)=783
4x²+6x+2x+3=783
4x²+8x-780=0
x²+2x-195=0

We solve this quadratic equation:
x=[-2⁺₋√(4-4*1*(-195))]/2=(-2⁺₋28)/2

x₁=(-2-28)/2=-15 this solution is not valid.
x₂=(-2+28)/2=13

Jeremy´s age=2x+1=2*13+1=27
Sam´s age=2x+3=2*13+3=29



7 0
3 years ago
Given f(x)=x^2+4x+7 .
ivolga24 [154]
The correct answer for this question is A. 
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3 years ago
Pleaseeeeeeeeee help
Anna35 [415]

Answer:

the answer is 240

Step-by-step explanation:

6x10=60

60x8=480

480÷2=240

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