4 years ago

HELP PLZ!!!!!!!!!!!!!!

Mathematics

1 answer:

NARA [144]4 years ago

5 0

Answer:

first you have to do 51 - 17 = 34 I got this because u have to add 10&7 then u subtract 51 from 17

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Perform the indicated operations. Write the answer in standard form, a+bi.<br> -4 + 4i / -3-6i

vesna_86 [32]

Answer:

$\frac{ - 4 + 4i}{ - 3 - 6i} \\ \frac{ - 4 + 4i}{ - 3 - 6i} \times \frac{ - 3 + 6i}{ - 3 + 6i} \\ = \frac{12 - 24i - 12i + 24 {i}^{2} }{ {( - 3)}^{2} - {(6i)}^{2} } \\ = \frac{ - 12 - 36i}{45} \\ = \frac{ - 12}{45} \frac{ - 36i}{45} \\ than \: you$

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3 years ago

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Mrrafil [7]

Answer:

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3 years ago

(2ab+9a-4) - (ab+2)

skad [1K]

Answer:

$\boxed{\bold{ab+9a-6}}$

Step-by-step explanation:

Remove parenthesis: (a) = a

$\bold{2ab+9a-4-\left(ab+2\right)}$

$\bold{-\left(ab+2\right): \ -ab-2}$

$\bold{2ab+9a-4-ab-2}$

Simplify $\bold{2ab+9a-4-ab-2}$

$\bold{ab+9a-6}$

Regards,

Mordancy

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3 years ago

PLEASE SOMEONE HELP ME WITH THIS! (10 POINTS)

Goshia [24]

Answer:

Step-by-step explanation:d

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3 years ago

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A shop sells milk for $2.50

Vera_Pavlovna [14]

Answer:

$1.83 (rounded)

Step-by-step explanation:

27% = 0.27

2.50 x 0.27 = 0.675

2.50 + 0.676 = 1.825

Round 1.825 to the nearest hundredth which gives you 1.83. So therefore, a litre of milk without tax is $1.83. Hope this helps!

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3 years ago