2 years ago

What is the answer to this ? 6/2(1+2) ?

Mathematics

1 answer:

Andru [333]2 years ago

5 0

Your answer is 9. Hope this helps, if not, please comment below!

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Classify the function as linear or quadratic and identify the quadratic, linear, and constant terms.

k0ka [10]

Answer: quadratic

Constant term -6

Quadratic term -18x^2

Linear term -21x

Step-by-step explanation:

(3x+2)(-6x-3)=-18x^2-21x-6

6 0

2 years ago

4. solve<br> e) 4^x-10.2^x+16=0<br> I think the dot means multiply?

suter [353]

$4^x-10\cdot2^x+16=0\Rightarrow(2^2)^x-10\cdot2^x+16=0\Rightarrow(2^x)^2-10\cdot2^x+16=0$

$subtitute\ 2^x=t > 0\\\\t^2-10t+16=0\\t^2-2t-8t+16=0\\t(t-2)-8(t-2)=0\\(t-2)(t-8)=0\iff t-2=0\ or\ t-8=0\\\\t=2\ or\ t=8\\\\t=2^1\ or\ t=2^3\\\\therefore\ 2^x=2^1\ or\ 2^x=2^3\\\\Answer:\boxed{x=1\ or\ x=3}$

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3 years ago

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Vicky jogged 2.75 miles in .5 hour. what was her average rate of speed in miles?

Likurg_2 [28]

Vicky’s average speed is 0.55m/h

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3 years ago

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Question 4

mel-nik [20]

Answer:

choice 4) 33.5 in³

Step-by-step explanation:

r = 4/2

V = 4/3πr³ = 4/3(3.14)(2³) = 33.5 in²

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3 years ago

Write 0.0000004954 in scientific notation.

SCORPION-xisa [38]

By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be
$4.954 \times {10}^{ - 7}$
I hope this helps!

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3 years ago

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