2 years ago

What is a statement of cell theory

Mathematics

1 answer:

tatyana61 [14]2 years ago

6 0

Answer:

Its B.

Step-by-step explanation:

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It’s a black picture. We can’t help with that

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2 years ago

Solve 3x^2 - 20x - 7 =0

grin007 [14]

This involvea factoring the polynomial into binomials and solving.
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3 years ago

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Anarel [89]

Answer:

The correct answer is option B.

Step-by-step explanation:

Two point form of the equation:

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2 years ago

A backpack costs $18 and has a 7 percent tax. How much will Sheila have to pay for the backpack after tax? $1.26 $12.60 $19.26 $

elixir [45]

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3 years ago

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32 is 90% of what number?

spayn [35]

Answer:

$\large\boxed{32\ is\ 90\%\ of\ 35\dfrac{5}{9}}$

Step-by-step explanation:

<h3>METHOD 1:</h3>

$\begin{array}{ccc}32&-&90\%\\\\x&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\90x=3200\qquad\text{divide both sides by 90}\\\\x=\dfrac{3200}{90}\\\\x=\dfrac{320}{9}\\\\x=35\dfrac{5}{9}$

<h3>METHOD 2:</h3>

$\begin{array}{cccc}32&-&90\%&\text{divide both sides by 9}\\\\\dfrac{32}{9}&-&10\%\end{array}\\\\\\90\%+10\%=100\%\to32+\dfrac{32}{9}=32+3\dfrac{5}{9}=35\dfrac{5}{9}$

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