3 years ago

Pls pls pls answer I need this done before 10;50

Mathematics

1 answer:

attashe74 [19]3 years ago

5 0

Answer:

1/12

Step-by-step explanation:

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Which equation has the same soultions as x^2+6×-7=0

blagie [28]

$x^2+6x-7=0 \\ a=1 \\ b= 6 \\ c=-7 \\ \\ \boxed{\boxed{\Delta=b^2-4ac}} \\ \\ \Delta=6^2-4*1*(-7) \\ \Delta=36-(-28) \\ \Delta=64 \\ \Delta\ \textgreater \ 0 \Rightarrow \text{we have 2 solutions :} X_1 \ and X_2 \\ \\ \boxed{X_1= \frac{-b- \sqrt{\Delta} }{2a} } \Rightarrow X_1= \frac{-6-8}{2}=-7 \\ \\ \boxed{X_2= \frac{-b+ \sqrt{\Delta} }{2a} } \Rightarrow X_2= \frac{-6+8}{2} =1$

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2 years ago

Clear parentheses and combine like terms:

mihalych1998 [28]

Answer:

-3p - p²

Last option

Step-by-step explanation:

Step 1: Write out expression

2p - 7p² - 5p + 6p²

Step 2: Combine like terms (p²)

-p² + 2p - 5p

Step 3: Combine like terms (p)

-p² - 3p

Step 4: Rewrite

-3p - p²

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3 years ago

2 people answer this so i can give one of you brainliest2 people answer this so i can give one of you brainliest2 people answer

Arturiano [62]

Hi, have a good day :)!!!!!

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If EH = 9 and GH = 15, what is FH? Round your answer to the nearest tenth.

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They’re answer is 5/6

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2 years ago

What is -1/9 written as a decimal?

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Using division, you will find that -1/9 continues on and on forever with no end, so you can mark this by drawing a line over the last repeating number

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