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3 years ago

I need help finding the quotients

Mathematics

1 answer:

Nutka1998 [239]3 years ago

8 0

Answer:

24÷-6=-4

-15÷0.3=-50

-4+-20=-24

2/5÷3/4=0.5333

Step-by-step explanation:

Thats all i can get sorry :<

I hope it helps and hope its right

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ikadub [295]

so first off, let's simplify both equations, starting off by multiplying both sides by the LCD of all fractions, to do away with the denominators.

$\bf \cfrac{10(x-y)-4(1-x)}{3}=y\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{3}}{10(x-y)-4(1-x)=3y} \\\\\\ 10x-10y-4+4x=3y\implies \boxed{14x-13y=4} \\\\[-0.35em] ~\dotfill\\\\ 7+x-\cfrac{x-3y}{4}=2x-\cfrac{y+5}{3}\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{12}}{12\left( 7+x-\cfrac{x-3y}{4} \right)=12\left( 2x-\cfrac{y+5}{3} \right)} \\\\\\ 84+12x-3(x-3y)=24x-4(y+5) \\\\\\ 84+12x-3x+9y=24x-4y-20\implies \boxed{-15x+13y=-124}$

now, let's do some elimination on those two simplified equations.

$\bf \begin{array}{cllcl} 14x&-13y&=&4\\ -15x&+13y&=&-124\\\cline{1-4} -x&&=&-120 \end{array}~\hfill x=\cfrac{-120}{-1}\implies \blacktriangleright x=120 \blacktriangleleft \\\\\\ \stackrel{\textit{substituting on the 1st equation}}{14(120)-13y=4}\implies 1680-13y=4\implies 1680-4=13y \\\\\\ 1676=13y\implies \blacktriangleright \cfrac{1676}{13}=y \blacktriangleleft \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \left( 120~,~\frac{1676}{13} \right)~\hfill$

6 0

3 years ago

1/2×(6×4)÷3+2 WORK AND ANSWER

Studentka2010 [4]

Answer:

½×(6×4). ÷3+2

½×24

=12÷3. +2

4+2

7 0

2 years ago

36 is 80% of what number?

Jlenok [28]

X is the number.
Then:
36=80% of x
80%=80/100=0.8

We can suggest the following equation:
36=0.8x
0.8x=36
x=36/0.8
x=45

Answer: 36 is 80% of 45

5 0

3 years ago

I need help plz can someone help me I have the picture if you are in 5th grade then come or above

d1i1m1o1n [39]

Answers:22 is A and 23 is b

6 0

3 years ago

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Help please In the diagram a || b

Citrus2011 [14]

I think the answer would be c.

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5 0

3 years ago