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const2013 [10]
3 years ago
8

2/3•x-9=12 solve for x?

Mathematics
2 answers:
Margaret [11]3 years ago
7 0

Answer:

x=\frac{63}{2}

Step-by-step explanation:

\frac{2}{3} \times x-9=12

Add 9 to both sides:

\frac{2}{3}x-9+9=12+9\\\frac{2}{3}x=21

Multiply both sides by 3/2:

(\frac{3}{2} )\times(\frac{2}{3}x)=(\frac{3}{2}  )*(21)\\x=\frac{63}{2}

x = 63/2 is your answer.

Fofino [41]3 years ago
3 0

Answer:

31.5

Step-by-step explanation:

Ok.

2/3x - 9 = 12

2/3x = 21

x = 21*(3/2)

x = 63/2 = 31.5

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Answer:

55 and 91 are not prime.

Step-by-step explanation:

12(1) -5=7\\12(2) -5=19\\12(3) -5=31\\ 12(4) -5=43\\12(5) -5=55\\12(6) -5=67\\12(7) -5=79\\12(8) -5=91\\12(9) -5=103

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b

Step-by-step explanation:

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If the graph of the function g defined by g(x)=-2x^2+9. Is translated vertically downward by 8 units, it becomes the graph of a
tester [92]
G ( x ) = - 2 x² + 9
If this function is translated vertically downward by 8 units it becomes:
f ( x ) = g ( x ) - 8
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7 0
3 years ago
Please help me out!​
valina [46]

Answer:

4/11=.363636....

I hope this is good enough:

6 0
3 years ago
An inscribed angle that opens to a diameter has an intersected arc that is a ________________. The angle is a ______ angle becau
kherson [118]

Answer:

An inscribed angle that opens to a diameter has an intersected arc that is 180 degrees. The inscribed angle is a right angle (90 degrees) because

\frac{1}{2}(180^o)=90^o

Step-by-step explanation:

we know that

The inscribed angle is half that of the arc comprising

Remember that

The diameter divide the circle into two equal parts

so

An inscribed angle that opens to a diameter has an intersected arc that is 180 degrees

The inscribed angle is 90 degrees because

\frac{1}{2}(180^o)=90^o

therefore

An inscribed angle that opens to a diameter has an intersected arc that is 180 degrees. The inscribed angle is a right angle (90 degrees) because

\frac{1}{2}(180^o)=90^o

3 0
3 years ago
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