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Rainbow [258]
3 years ago
14

Solve for x: 4/5x +4/3=2x

Mathematics
2 answers:
pav-90 [236]3 years ago
5 0
4/5x+ 4/3=2x
-11/5x=-4/3
6/5x=4/3
(5/6)6/5x=(5/6)4/3
x=10/9 or x=11/9
d1i1m1o1n [39]3 years ago
3 0
To simplify an equation you should remember we can only combine the like terms first separate the terms we can put all terms with variable in one side and the constants on the other side (4/5)x+(4/3)=2x. 2x-(4/5)x=4/3. (6/5)x=4/3. X=10/9
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Harry goes to hogwarts a School of witchcraft. He decides to choose his methods of transportation to and from hogwarts at this r
REY [17]

Answer:

it is both A and B !!

Step-by-step explanation:

:)

3 0
3 years ago
I NEED HELP PLS THIS IS DUE IN 3 HOURS
Mariulka [41]

Answer:

Part 1)  x^{2} -2x-2=(x-1-\sqrt{3})(x-1+\sqrt{3})

Part 2)  x^{2} -6x+4=(x-3-\sqrt{5})(x-3+\sqrt{5})

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

Part 1)

in this problem we have

x^{2} -2x-2=0

so

a=1\\b=-2\\c=-2

substitute in the formula

x=\frac{-(-2)(+/-)\sqrt{-2^{2}-4(1)(-2)}} {2(1)}\\\\x=\frac{2(+/-)\sqrt{12}} {2}\\\\x=\frac{2(+/-)2\sqrt{3}} {2}\\\\x_1=\frac{2(+)2\sqrt{3}} {2}=1+\sqrt{3}\\\\x_2=\frac{2(-)2\sqrt{3}} {2}=1-\sqrt{3}

therefore

x^{2} -2x-2=(x-(1+\sqrt{3}))(x-(1-\sqrt{3}))

x^{2} -2x-2=(x-1-\sqrt{3})(x-1+\sqrt{3})

Part 2)

in this problem we have

x^{2} -6x+4=0

so

a=1\\b=-6\\c=4

substitute in the formula

x=\frac{-(-6)(+/-)\sqrt{-6^{2}-4(1)(4)}} {2(1)}

x=\frac{6(+/-)\sqrt{20}} {2}

x=\frac{6(+/-)2\sqrt{5}} {2}

x_1=\frac{6(+)2\sqrt{5}}{2}=3+\sqrt{5}

x_2=\frac{6(-)2\sqrt{5}}{2}=3-\sqrt{5}

therefore

x^{2} -6x+4=(x-(3+\sqrt{5}))(x-(3-\sqrt{5}))

x^{2} -6x+4=(x-3-\sqrt{5})(x-3+\sqrt{5})

5 0
4 years ago
The clubhouse is shaped like a rectangular prism. It is 12 feet long, 8 feet wide, and 6 feet high. What is the area and volume
Archy [21]
Multiply the number 12×8×6 that equal 576 :)
6 0
3 years ago
Need help with this. Please
snow_lady [41]

Answer:

yes it would make a acute triangle

Step-by-step explanation:

3 0
3 years ago
HELP ASAP
almond37 [142]

Answer:

Step-by-step explanation:

let the number of dimes=x

and number of quarters=y

x=2y

0.10 x+0.25 y=2.25

or 10x+25y=225

divide by 5

2x+5y=45

2 ×2y+5y=45

4y+5y=45

9y=45

y=45/9=5

x=2y=2×5=10

Hence dimes=10

quarters=5

6 0
4 years ago
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