Helppppppppppppppppppppppppppppppppppp pleaseeeeeeeeeeeeeeeeee

Mathematics

2 answers:

vlabodo [156]3 years ago

4 0

Answer:

answer is D

Step-by-step explanation:

i promise good luck

choli [55]3 years ago

4 0

Answer:

Step-by-step explanation:

change the fractions into improper fractions

then multiply nominators by nominators

then same for denominators

then simplify

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Butoxors [25]

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4 0

3 years ago

Find x <br><br>Plz help me!!!!

lbvjy [14]

Find the total ° of the shape.
(5-2) x 180°= 540°

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8 0

4 years ago

Read 2 more answers

Solve the system using substitution method <br> 3x+y=6<br> 2x-4y=10

Andreyy89

$\left\{\begin{array}{ccc}3x+y=6&|-3x\\2x-4y=10\end{array}\right\\\\\left\{\begin{array}{ccc}y=6-3x\\2x-4y=10\end{array}\right\\\\substitute\ y=6-3x\ to\ the\ second\ equation\\\\2x-4(6-3x)=10\\\\2x-4\cdot6-4\cdot(-3x)=10\\\\2x-24+12x=10\\\\14x-24=10\ \ \ |+24\\\\14x=34\ \ \ \ |:14\\\\x=\dfrac{34}{14}\to x=\dfrac{17}{7}\\\\substitute\ the\ value\ of\ x\ to\ first\ equation\\\\y=6-3\cdot\dfrac{17}{7}=6-\dfrac{51}{7}=\dfrac{42}{7}-\dfrac{51}{7}=-\dfrac{9}{7}$

$\boxed{\left\{\begin{array}{ccc}x=\dfrac{17}{7}\\\\y=-\dfrac{9}{7}\end{array}\right}$