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Mariana [72]
3 years ago
10

A father is 4 times as old as his son. In 20 years the father will be twice as old as his son. Find the present age of eachi.​

Mathematics
1 answer:
AysviL [449]3 years ago
3 0

Ce clasă ești sa văd daca te pot ajuta

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Gwen is building a wooden birdhouse for her mom. She finds a plank in the garage to use for
Helen [10]

Answer:

p = 11.75 - 2 = 9.75

Explanation:

2 + 9.75 = 11.75, which was the original length of the plank, therefore:

11.75 - 2 = the correct and current length of the plank

4 0
3 years ago
Please I need help 10 points
Serga [27]

Answer:

A

Step-by-step explanation:

it creates a 90° angle to L at point a.

3 0
3 years ago
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Show that 0.357 is a rational number.
nika2105 [10]

Answer:

0.357 = (357)/(1000).

Step-by-step explanation:

A number is a rational number if and only if it is equal to the ratio between two integers. In other words, a number x is a rational number if and only if there are integers (whole numbers) p and q (q \ne 0) such that x = p / q.

Thus, the 0.357 in this question would be a rational number as long as there are integers p and q (q \ne 0) such that p / q = 0.357. Simply finding the right p\! and q\1 would be sufficient for showing that 0.357\! is rational.

Since 0.357 is a terminating decimal, one possible way to find p\! and q\1 is to repeatedly multiply 0.357\! by 10 until a whole number is reached:

10 \times 0.357 = 3.57.

10^{2} \times 0.357 = 35.7.

10^{3} \times 0.357 = 357.

Thus, 0.357 = (357) / (10^{3}), such that p = 357 and q = 1000 (both are integers, and q \ne 0) would ensure that 0.357 = p / q.

Therefore, 0.357 is indeed a rational number.

4 0
3 years ago
HELP PLEASE ASAP PLESDE HELP
Nonamiya [84]

Answer:

16^¼=2

Step-by-step explanation:

16^¼=⁴√16

so, 2⁴=16

so it's 2,

<u>verification</u>

2×2×2×2=16

7 0
3 years ago
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Would a 40 inch squared picture fill a 5 x 9 picture frame?
statuscvo [17]
Multiple 40*40 to determine the actual square inches.  Then multiply 5*9 to determine the square inches of the frame.  Compare the two numbers.  If 40*40 is bigger than 5*9, then the picture will not fit in the frame.  If 40*40 is smaller than 5*9, then the picture will fit in the frame.

40^2= 40 * 40= 160" squared

5*9= 45" squared

A 160" squared picture would be too big for a 45" squared frame.


Hope this helps!  :)
3 0
3 years ago
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