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3 years ago

Help me please guys

Mathematics

2 answers:

ss7ja [257]3 years ago

7 0

-2,-5 because the inverse is the oppisite of any number, so the opposite of 2,5 is -2,-5

Jlenok [28]3 years ago

5 0

Answer:

(9,6)

Step-by-step explanation:

You just take one of the (x,y) pairs and switch the numbers with each other so it's like (y,x)

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When 2(3/5x+2 3/4y-1/4x-1 1/2y+3) is simplified, what is the resulting expression?

erik [133]

Answer:

Option B is correct.

Step-by-step explanation:

$2(\frac{3}{5}x+ 2\frac{3}{4}y-\frac{1}{4}x-1\frac{1}{2}y+3)$

We need to solve the above expression.

First Convert Mix fraction into improper fraction

$2(\frac{3}{5}x+ 2\frac{3}{4}y-\frac{1}{4}x-1\frac{1}{2}y+3)\\=2(\frac{3}{5}x+ \frac{11}{4}y-\frac{1}{4}x-\frac{3}{2}y+3)$

Combining the like terms

$=2(\frac{3}{5}x-\frac{1}{4}x+ \frac{11}{4}y-\frac{3}{2}y+3)$

Solving like terms

$=2(\frac{3x*4-5x}{20}+ \frac{11y-3y*2}{4}+3)\\=2(\frac{12x-5x}{20}+ \frac{11y-6y}{4}+3)\\=2(\frac{7x}{20}+ \frac{5y}{4}+3)$

Multiply each term with 2

$=2*\frac{7x}{20}+ 2*\frac{5y}{4}+2*3\\=\frac{7x}{10}+ \frac{5y}{2}+6$

$=\frac{7x}{10}+ 2\frac{1}{2}y+6$

So, Option B is correct.

4 0

3 years ago

What is the perimeter of the trapezoid? 10 m 8 m 10 m 18 m meters

matrenka [14]

Answer:

14,400

Step-by-step explanation:

multiply all variables when doing perimeter

4 0

3 years ago

Can someone explain #1 and #2 to me? (Picture above) I really need help

Charra [1.4K]

A number can replaced with a variable like x
(X+3)4=16
4x+12=16
4x=4
X=1
(X/4)+3=24
X/4=21
X=84

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3 years ago

What is the solution to the equation x/-3=4? A)x=-7 B)x=-4/3 C) x=-1 D)x=-12

pav-90 [236]

d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12

7 0

3 years ago

Factor: x2 - 4x + 24

alexdok [17]

Answer:

x²-4x+24 is not factorable with rational numbers.

6 0

3 years ago

Help me please guys​

Help me please guys