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2 years ago

Halppppppppppppppppppp

Mathematics

1 answer:

Hatshy [7]2 years ago

4 0

Answer:

Yes

Step-by-step explanation:

$y\leq 3x+9\\\\8\leq 3(7)+9\\\\8\leq 21+9\\\\8\leq 30$

Yes, the given point makes the inequality true. We end up with a true statement.

Hope this helps.

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5p coins weigh approximately 3 grams.

Elza [17]

Answer: 0.3 kg

Step-by-step explanation:

£5 = 500p

500p ÷ 5 = 100

100 x 3 = 300 grams

300 ÷ 1000 = 0.3 kg

Hope this helps :)

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3 years ago

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(3x+2)∧2=9 how do i solve this in the square root property

Irina18 [472]

$(3x+2)^2=9 \\\\9x^2+12x+4-9=0\\\\9x^2+12x-5=0\\\\a=9,\ \ b=12, \ \ c=-5$

$x_{1}=\frac{-b-\sqrt{b^2-4ac}}{2a}=\frac{-12-\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12-\sqrt{144+180}}{18}=\\\\=\frac{-12-\sqrt{324}}{18}=\frac{-12-18}{18}=\frac{-30}{18}=-\frac{5}{3}\\\\x_{2}=\frac{-b+\sqrt{b^2-4ac}}{2a}=\frac{-12+\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12+18}{18}=\frac{6}{18}=\frac{1}{3} \\\\Answer: \ x=-\frac{5}{3}\ \ and \ \ x=\frac{1}{3}$

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3 years ago

Help me please Thanks

Klio2033 [76]

The answer is 1;3 because if you simplified 2;6 you get 1;3 so the answer to that is
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3 years ago

APY means ________________.

beks73 [17]

Answer:

annual percentage yield

Step-by-step explanation:

APY means annual percentage yield

6 0

3 years ago

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Need help ...........

MrRa [10]

Answer:

SAS

Step-by-step explanation:

Hope I helped!!

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2 years ago

Halppppppppppppppppppp​

Halppppppppppppppppppp