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1 year ago

9

Algebra and algerbraaic thinks

1 answer:

Naddik [55]1 year ago

5 0

What is the question

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Solve <br><br> 9x-14-2x=5(2x-6)

deff fn [24]

$9x-14-2x=5(2x-6)\qquad\text{use distributive property}\\\\(9x-2x)-14=(5)(2x)+(5)(-6)\\\\7x-14=10x-30\qquad\text{add 14 to both sides}\\\\7x=10x-16\qquad\text{subtract 10x from both sides}\\\\-3x=-16\qquad\text{divide both sides by (-3)}\\\\\boxed{x=\dfrac{16}{3}}$

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2 years ago

How is number 0.000063 written in scientific notation?

katen-ka-za [31]

Step-by-step explanation:

The scientific notation:

$a\times10^k$

<em>1 ≤ a < 10</em> and <em>k -</em><em> any integer number</em>

<em />

$0.000063=0\underbrace{.00006}_{5\to}3=6.3\times10^{-5}\\\\\\0.000063=6.3:100,000=6.3:10^5=6.3\times10^{-5}$

5 0

2 years ago

12 is to 60 as 5 is to ?

Elina [12.6K]

12:60 equals to 5:25

4 0

2 years ago

Pls answer number 11 :d i will mark brianliest

QveST [7]

Answer:

D. (3; -4)

Step-by-step explanation:

.............

3 0

2 years ago

How would I solve and answer these two questions? I'm having a hard time understanding them.

postnew [5]

Answer:

The first one is either 88 feet or 90 feet

Step-by-step explanation:

8 0

2 years ago