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3 years ago

What is the area of triangle DEF?

Mathematics

2 answers:

Andrew [12]3 years ago

5 0

the answer is B.2/14 i took the test and got it right

Alex Ar [27]3 years ago

3 0

2√14 square units

HOPE THIS WILL HELP U

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Factor completely <br> 4(x+1)^2/3 + 12(x+1)^-1/3

wolverine [178]

$\bf a^{\frac{{ n}}{{ m}}} \implies \sqrt[{ m}]{a^{ n}} \qquad \qquad
\sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}\\\\
\left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}
\\\\
-------------------------------\\\\
%4(x+1)^2/3 + 12(x+1)^-1/3
4(x+1)^{\frac{2}{3}}+12(x+1)^{-\frac{1}{3}}\implies 4(x+1)^{\frac{2}{3}}+12\cfrac{1}{(x+1)^{\frac{1}{3}}}
\\\\\\$

$\bf 4(x+1)^{\frac{2}{3}}+\cfrac{12}{(x+1)^{\frac{1}{3}}}\impliedby \textit{so, our LCD is }(x+1)^{\frac{1}{3}}
\\\\\\
\cfrac{4(x+1)^{\frac{2}{3}}\cdot (x+1)^{\frac{1}{3}}+12}{(x+1)^{\frac{1}{3}}}\implies \cfrac{4(x+1)^{\frac{2}{3}+\frac{1}{3}}+12}{(x+1)^{\frac{1}{3}}}
\\\\\\
\cfrac{4(x+1)^{\frac{3}{3}}+12}{(x+1)^{\frac{1}{3}}}\implies \cfrac{4(x+1)+12}{(x+1)^{\frac{1}{3}}}\implies \cfrac{4x+4+12}{(x+1)^{\frac{1}{3}}}
\\\\\\
\cfrac{4x+16}{(x+1)^{\frac{1}{3}}}\implies \cfrac{4(x+4)}{\sqrt[3]{x+1}}$

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3 years ago

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A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the

denpristay [2]

Its B. <span>People who shop in bookstores are likely to read more books than those who do not.</span>

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3 years ago

Question 8<br> Find the value of "X". Round to the nearest tenth.

jekas [21]

Answer:

Step-by-step explanation:

The intersecting chord theorem is expressed as;

7 * x = 4 * 14

7x = 56

Divide both sides by 7

7x/7 = 56/7

x = 8

Hence the value of x is 8

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3 years ago

Estimate 34,926 - 17,042

Ann [662]

I think the anwser is 17,887

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4 years ago

ginny needs to leave the house by 9;00 she woke up at 5;00 how many minutes does she have to get ready

jok3333 [9.3K]

Answer:

240minutes

Step-by-step explanation:

She has 4 hours and 1 hour = 60minutes

so 4x60=240minutes

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2 years ago

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