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3 years ago

True or false every real number is a complex number?

Mathematics

2 answers:

Darina [25.2K]3 years ago

6 0

Answer:

True!

Step-by-step explanation:

Every real number is a complex number!

HACTEHA [7]3 years ago

5 0

Answer:

$true$

$\huge\underline\pink{Hope\:that\:helps}$

mark the person below as brainliest !!

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Gary took 7 hours to mow 4 lawns,then at that rate, how many lawns could be mowed in 35 hours? Write a different question plz

Svetach [21]

Answer:

The total amount of lawns to be mowed would be 20 in 35 hours.

Step-by-step explanation:

It takes an hour and 45 minutes to mow one lawn. When you multiply the 7 hours by 5 you get 35 hours. Same thing if you multiply the 4 lawns by 5 you get 20 lawns.

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3 years ago

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Question 6. Geometry question.

kupik [55]

B. if two lines are perpendicular, then they intersect to form four right angles.

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3 years ago

A package states that there are 60 calories in 12 crackers and 75 calories in 15 crackers. Since the relationship is proportiona

AveGali [126]

Answer:

900 calories

Step-by-step explanation:

First you have to find the unit rate, how many calories are there in ONE cracker? To find that you have to divide 60 ÷ 12 = 5 and to check with the other one, 75 ÷ 15 = 5

So, one cracker is 5 calories. Now, how many calories are in 180 crackers? You multiply, 180 x 5 = 900

That means there are 900 calories in 180 crackers.

Hope that helps and have a great day!

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3 years ago

Simplify ( 8∙4∙2 8∙7 )^2 × ( 8 0 7−3 )^3 × 7 −9 .

stich3 [128]

$\bf ~\hspace{7em}\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
~\hspace{4.5em}
a^n\implies \cfrac{1}{a^{-n}}
~\hspace{4.5em}
\cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\left( \cfrac{8\cdot 4\cdot 2}{8\cdot 7} \right)^2\times \left( \cfrac{8^0}{7^{-3}} \right)^3\times 7^{-9}\implies \left( \cfrac{8\cdot 8}{8\cdot 7} \right)^2\times \left( \cfrac{1\cdot 7^3}{1} \right)^3\times \cfrac{1}{7^9}$

$\bf \left( \cfrac{8}{8}\cdot \cfrac{8}{7} \right)^2\times (7^3)^3\times \cfrac{1}{7^9}\implies \left( \cfrac{8}{7} \right)^2\times 7^{3\cdot 3}\times \cfrac{1}{7^9}\implies \cfrac{8^2}{7^2}\times \cfrac{7^9}{7^9}
\\\\\\
\cfrac{8^2}{7^2}\implies \cfrac{64}{49}$

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3 years ago

Question 1 of 10

ollegr [7]

Answer:

B & C

Step-by-step explanation:

√16 / √100

= 4 / 10

= 2 / 5

7 0

2 years ago