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Mama L [17]
3 years ago
9

How do you simplify, distribute and combine like terms?

Mathematics
1 answer:
lbvjy [14]3 years ago
5 0
Ok so for #18 8(x+5)-4(x+4)
 you take 8X1x and 8x5
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Each side of a rhombus is 20 cm long and one of its diagonals is 24 cm in length, find the area of ​​this rhombus?
vodomira [7]

Answer:

AB = 20 CM

OA = 1

__ × 24 cm

2

= 12 cm

AOB = 90 °

OB² == AB² - OA ²

( {20}^{2} ) - ( {12}^{2} ) \\  = 400 - 144 \\  = 256 \\

ob \:  =  \sqrt{256}  = 16 \\ bd \:  = 2 \times ob \\  = 2 \times 16 \\  = 32cm \:  \\

AREA OF ABCD IS

\frac{1}{2 }  \times ac \times bd \\  =  \frac{1}{2}  \times 24 \times 32 \\ 384cm

hope \: its \: helpful \:  \: to \: you \:

6 0
2 years ago
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saveliy_v [14]

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3 0
3 years ago
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In a class with 30 students, there are 18 women and 12 men. What is the ratio of men to women in the class?
Nonamiya [84]

Answer:

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Complete the solution of the equation. find the value of y when x equals to 1<br><br> 9x-5y=29
aksik [14]

Answer:

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8 0
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