3 years ago

Solve the inequality 2x - 3 < x + 2 <_ 3x +5

Mathematics

1 answer:

WITCHER [35]3 years ago

8 0

If you give me answers i can give you the right one

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Involves triangle centroid

Rasek [7]

Here, you do the same as the previous one, keeping in mind that X cuts TW in a 2:1 ratio.

$\bf TW-TX=XW\implies \cfrac{8a}{5}+\cfrac{1}{10}-\left(a +\cfrac{4}{5} \right)=XW
\\\\\\
\cfrac{8a}{5}+\cfrac{1}{10}-a-\cfrac{4}{5}=XW\implies \cfrac{3a}{5}-\cfrac{7}{10}=XW\\\\
-------------------------------\\\\$

$\bf TX:XW\qquad 2:1\qquad \cfrac{TX}{XW}=\cfrac{2}{1}\implies \cfrac{a+\frac{4}{5}}{\frac{3a}{5}-\frac{7}{10}}=\cfrac{2}{1}
\\\\\\
\cfrac{\frac{5a+4}{5}}{\frac{6a-7}{10}}=\cfrac{2}{1}\implies \cfrac{5a+4}{5}\cdot \cfrac{10}{6a-7}=\cfrac{2}{1}\implies \cfrac{10a+8}{6a-7}=\cfrac{2}{1}
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10a+8=12a-14\implies 22=2a\implies \cfrac{22}{2}=a\implies 11=a$

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4 years ago

Beth writes a number that shows 60 parts out of 100

Lerok [7]

Decimal 0.60
Percentage 60%

4 0

3 years ago

I need help please!!!!!

rosijanka [135]

Answer:

Step-by-step explanation:

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3 years ago

15b^2+20y^3<br> Find the greatest common factor

Andrew [12]

Answer:

Hope this helps!

Step-by-step explanation:

The GCF is 5

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3 years ago

Solve for x in the equation x 2 - 4 x - 9 = 29.

Marizza181 [45]

Answer:

x= -19

Step-by-step explanation:

2x-4x-9=29

-2x=29+9

x=38/-2

= -19

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3 years ago

Read 2 more answers