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Aneli [31]
3 years ago
13

How do you work out these questions???????????

Mathematics
1 answer:
umka2103 [35]3 years ago
4 0
Divide the first one to 2 rectangles by drawing a line and then find the area of both rectangles, then add them.

The second one is divided in to 2 trapezoids. Find the area of both trapezoids and then add them.
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3.9x - 0.7 = 8.66, so what does x equal?
scoundrel [369]

Answer:

x=2.4

Step-by-step explanation:

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Pls provide the steps , brainliest to whoever gets it right .
Salsk061 [2.6K]

Times the two radicals together

So it's:

8*sqrt 15*5        (find common numbers between 5 and 15 which is 5)

8*sqrt(5^2*3)

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Hope this helped :)

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A gym teacher orders 42 tennis balls. Each package contains three tennis balls. Which of the following equations represents the
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42 balls / 3 balls per package Equals 14 packages
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3 years ago
What is the multiplicative identity of -12/13
Nata [24]

Answer:

The number '1' is called the 'multiplicative identity' of a number '-12/13' because it does not change the number '-12/13' after getting multiplied by it.

Therefore, option (B) is true.

Step-by-step explanation:

We know that when a number let say 'n' get multiplied by '1', it remains unchanged.

i.e.

  • n × 1 = n
  • 1 × n = n

The number '1' is called the 'multiplicative identity' of a number 'n' because it does not change the number 'n' after getting multiplied by it.

Given the number

-12/13

Multiply the number '-12/13' by '1'.

i.e.

-12/13 × 1 = -12/13

1 × -12/13 = -12/13

Thus, the number '1' is called the 'multiplicative identity' of a number '-12/13' because it does not change the number '-12/13' after getting multiplied by it.

Therefore, option (B) is true.

5 0
3 years ago
2,9,23,51,107<br> Determine the next terms of sequence
Ray Of Light [21]

Answer:

answer is 142

Step-by-step explanation:

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3 years ago
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