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4 years ago

Which must be true?

Mathematics

2 answers:

malfutka [58]4 years ago

7 0

Answer:

the answer is number three

Step-by-step explanation:

Gemiola [76]4 years ago

7 0

Number 3 should be true hope this helps

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6x2y^3/3xy Use Laws of exponents. answer is 2xy^2 but I don't know how to get it. My initial answer was 4y^2

allsm [11]

Step-by-step explanation:

$\frac{6x^{2}y^{3}}{3xy}$

If it helps, write as a product of fractions, grouped by variable.

$\frac{6}{3} \frac{x^{2}}{x} \frac{y^{3}}{y}$

Now reduce using exponent rules.

$2xy^{2}$

4 0

3 years ago

Factor -28x +20x show work

Shalnov [3]

Let's simplify step-by-step.−28x+20x

ombine Like Terms:=−28x+20x=(−28x+20x)=−8x

Answer:=−8x

8 0

3 years ago

PLEASE HELPPPPP ASAPPP

atroni [7]

Answer:

parallel

Step-by-step explanation:

4 0

4 years ago

(b) A square has an area of 36 ft? What is the length of each side

chubhunter [2.5K]

The answer is 9 because 36 divided by 4 is 9.

Have a great day.

7 0

3 years ago

Read 2 more answers

What is a decomposition reaction?

yaroslaw [1]

Answer:

11-6√3 = a -b√3

where a=11 and b =6

Step-by-step explanation:

Step(i):-

Given

$\frac{5+2\sqrt{3} }{7+4\sqrt{3} }$

Rationalize

= $\frac{5+2\sqrt{3} }{7+4\sqrt{3} } X \frac{7-4\sqrt{3} }{7-4\sqrt{3} }$

= $\frac{(5+2\sqrt{3})(7-4\sqrt{3} ) }{7^{2} -(4\sqrt{3})^{2} }$

= $\frac{(5+2\sqrt{3})(7-4\sqrt{3} ) }{49-16(3) }$

= $\frac{(5+2\sqrt{3})(7-4\sqrt{3} ) }{1 }$

Step(ii):-

Multiply

${(5+2\sqrt{3})(7-4\sqrt{3} ) }$

= 5 × 7 - 5×4√3 + 2√3 ×7 - 2√3 × 4√3

= 35 -20√3+ 14√3-8×3

= 35 - 6√3 -24

= 11-6√3

6 0

3 years ago