Will give Brainliest to correct answer!

Mathematics

2 answers:

Shtirlitz [24]2 years ago

7 0

Answer:

reason 1 has theses options

Step-by-step explanation:

also wanna thank the person who answered first

nadezda [96]2 years ago

4 0

Answer:

Step-by-step explanation:

1. 4x=7(x-3) Reason: Starting equation

2. 4x=7x-21 Reason: Distributive Property

3. -3x=-21 Reason: Subtracting Combining like terms

4. x=7 Reason: Division

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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.

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

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

6 0

3 years ago

Jill ,meg and beth are sisters.jill is 2 years younger than meg.beth is half as old as meg.let m represent megs age.write two ot

grandymaker [24]

The two expressions could be :

2 - 1/2m

2 - m / 2

3 0

2 years ago

I don’t know what to do

sergey [27]

20% of 15 is 12$, and tax is 5% so it comes out to 12.60$
The answer is B

4 0

3 years ago