3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

8 0

The answer would be 9

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kirza4 [7]

Answer:

Step-by-step explanation:

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3 years ago

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What is the principal square root of -4

devlian [24]

Answer:

The principal square root of -4 is 2i.

Step-by-step explanation:

$\sqrt{-4}$ = 2i

We have the following steps to get the answer:

Applying radical rule $\sqrt{-a} =\sqrt{-1} \sqrt{a}$

We get $\sqrt{-4} =\sqrt{-1} \sqrt{4}$

As per imaginary rule we know that $\sqrt{-1}=i$

= $\sqrt{4} i$

Now $\sqrt{4} =2$

Hence, the answer is 2i.

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3 years ago

Which is the missing step in the proof below? Given: ABCD IS A PARALLELOGRAM

OlgaM077 [116]

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Step-by-step explanation:

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3 years ago

The sanitation department calculated that last year each city resident produced approximately 1. 643 × 103 pounds of garbage. Th

mote1985 [20]

Answer:

(d) 428,820,000 pounds of garbage

Step-by-step explanation:

Your calculator or spreadsheet can give you the product of two numbers expressed in scientific notation.

(1.643×10^3 lb/resident) × (2.61×10^5 residents) = 4.28823×10^(3+5) lb

≈ 428.82×10^6 lb

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2 years ago

Anything times 1 is 1 right or no

irina1246 [14]

No because ex:1times5=5 because 1 goes into 5 fiverimes

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3 years ago

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