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2 years ago

Answer number 7 please WHO EVER GETS IT RIGHT WILL GET BRAINLYEST

Mathematics

2 answers:

Vlad1618 [11]2 years ago

6 0

Answer:

why is the question upside down

Step-by-step explanation:

pls explain

Katarina [22]2 years ago

5 0

Answer:

Step-by-step explanation:

8 + 3 = 11

22 ÷ 11 = 2

8 × 2 = 16

hope this helps...

question was upside down

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A class has 216 pupils one third are boys how many are girls ?

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3 years ago

Solve each equation (quadratic pattern)

dusya [7]

Answer: x = 2

Step-by-step explanation:

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Step-by-step explanation:

$3^{2x}+3^{x+1}-4=0\\\\3^{2x}+3^x\cdot3^1-4=0\\\\\text{Let u = }3^x\\u^2+3u-4=0\\\\(u+4)(u-1)=0\\\\u+4=0\quad and\quad u-1=0\\u=-4\qquad and\quad u=1\\\\\text{Substitute u with }3^x\\3^x=-4\qquad and\quad 3^x=1\\\text{not possible}\ and\quad 3^x=3^0\\.\qquad \qquad \qquad \qquad \boxed{x=0}$

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Answer: No Solution

Step-by-step explanation:

$4^x+6\cdot 2^x+8=0\\\\2\cdot 2^x+6\cdot 2^x+8=0\\\\\text{Let u = }2^x\\2u+6u+8=0\\8u+8=0\\8u=-8\\u=-1\\\\\text{Substitute u with }2^x\\2^x=-1\\\text{not possible}$

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Step-by-step explanation:

$9^x=3^x-6\\\\3\cdot 3^x=1\cdot 3^x-6\\\\\text{Let u = }3^x\\\\3u=u-6\\2u=-6\\u=-3\\\\\text{Substitute u with }3^x\\3^x=-3\\\text{not possible}$

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2 years ago

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denis-greek [22]

Answer:

Step-by-step explanation:

So think like a percent 3 percent of 23 of mean multiply so first 23 divided by 100 equals what then to check the answer multiply it by 3

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2 years ago

(-(-)(-)(-10x))=-5 solve for x

kirza4 [7]

A negative times a negative is a positive so...

( - ) ( - ) ( - ) ( -10x ) = -5

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3 years ago

Answer for brainlist and extra points ☀️

tia_tia [17]

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Step-by-step explanation:

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-36. -36

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Divide by 3 to get

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2 years ago