3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics

1 answer:

mariarad [96]3 years ago

3 0

The real part (-6)
the imaginary part 2i

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-6 - 3(2x + 4) = 18what’s the answer

Brrunno [24]

Answer:

$x=-6$

Step-by-step explanation:

$-6-3\left(2x+4\right)=18$

Add 6 to both sides:

$-6-3\left(2x+4\right)+6=18+6$

$-3\left(2x+4\right)=24$

Divide both sides by -3:

$\frac{-3\left(2x+4\right)}{-3}=\frac{24}{-3}$

$2x+4=-8$

Subtract 4 from both sides:

$2x+4-4=-8-4$

$2x=-12$

Divide both sides by 2:

$\frac{2x}{2}=\frac{-12}{2}$

$x=-6$

7 0

3 years ago

How do you work out (7x+3)(7x-3)

spin [16.1K]

We can solve this using the FOIL method.

= (7x + 3)(7x - 3)

= (7x * 7x) + (7x * -3) + (3 * 7x) + (3 * -3)

= 49x - 21x + 21x - 9

= 49x - 9

Hope This Helped! Good Luck!

7 0

2 years ago

PLEASE HELPPPP MEEE!!

Jet001 [13]

Answer:

i think its A but not %100

Step-by-step explanation:

3 0

2 years ago

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The mean life of a tire is 30,000 km. The standard deviation is 2000 km. 95% of all tires will have a life between___ km and ___

Llana [10]

Answer:Need more infromation

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3 years ago

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Tbh i can probably get it but I don't want to do it rn

DIA [1.3K]

Answers:

A) 1/2
B) 1/6
C) 1/3

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Explanation:

A) There are 3 copies of '1' out of 6 slices total. So we get 3/6 = 1/2
B) There's only one copy of '3' out of 6 total, which means 1/6 is the probability of landing on '3'.
C) There are 2 places we want to land out of 6 total. The probability is 2/6 = 1/3

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2 years ago

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