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Natali5045456 [20]
3 years ago
7

9

Mathematics
1 answer:
tatuchka [14]3 years ago
7 0
Convert 20% into a decimal like this >> 20/100 =0.2 now 0.2 x 60.00 =12 the answer hope it works.
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3x To the power of -2 X 4x To the power of -3
damaskus [11]

Answer:

Answer = 12 x^{-5}

Step-by-step explanation:

Step 1:-

simplifying 3 x^{-2} × 4 x^{-3}

3 × 4(x^{-2} )(x^{-3} )

base are equal powers are added

on simplification 12 x^{-5}

6 0
3 years ago
What is the value of x/(4x +7) [5(x-4)]
Anon25 [30]

Answer:

(4x+7) [5(x-4)]

(4x+7)(5x-20)

20x^2-80x+35x-140

20x^2-45x-140

6 0
3 years ago
Justify your reasoning when solving the equation: 3(x+4)=8x-18
vampirchik [111]

Answer:

6

Step-by-step explanation:

3x plus 12= 8x -18

subtract twelve on both sides:

3x= 8x- 30

minus 8x on both sides:

-5= -30

divide:6

3 0
2 years ago
A total of 17,100 seats are still available for the next hockey game. If 62% of the tickets are sold, how many seats are in the
MrRa [10]

Answer:

We have

seats x ( 62 / 100 ) = (seats - 17,100);

seats x 62 = 100 x (seats - 17,100);

seats x 62 = seats x 100 - 1710000;

1,710,000 = seats x 38;

seats = 1,710,000 ÷ 38;

seats = 45,000;

The correct answer is c. 45,000 seats;

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Find the area of the composite figure.
Bad White [126]

Answer:

Area = 139.27 m²

Step-by-step explanation:

Area of the composite figure = area of rectangle + area of semicircle

= (L*W) + ½(πr²)

L = 10 m

W = 10 m

r = ½ of 10 = 5 m

Plug in the values

Area = (10*10) + ½(π*5²)

Area = 100 + 39.27

Area = 139.27 m²

7 0
2 years ago
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