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Eddi Din [679]
3 years ago
12

How can I solve the radical equation

Mathematics
1 answer:
lubasha [3.4K]3 years ago
7 0
I attached a picture, see if you can see what I'm doing. Basically, I start by squaring everything to get rid of the radical, but just remember at the end to always, always check your answers, because squaring your answers could get rid of some negative numbers that could result in imaginary answers. The answer I came up with was a=5,-2

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A person jogged 10 times along the perimeter of a rectangular field at the rate of 12 kilometers per hour for 30 minutes. If fie
balu736 [363]

Answer:

20,000m²

Step-by-step explanation:

If they jog 12 km/h for half an hour, they have covered.

12 X 0.5 = 6km in 10 circuits. Making 1 perimeter

6 / 10 =0.6 km (600 m).

To determine area we need to convert this perimeter to length and width. We know that it is a rectangle, with 2 equal widths and 2 equal lengths, and the length is twice the width.

So L = 2W

Perimeter = 2W + 2L

600 m = 2W + 2(2W)

600 m = 6W

W = 100 m

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4 0
2 years ago
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.
nlexa [21]

Answer:

Sarah is 60 years old

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
How to solve ...Please and thank you ​<br>-5y^2=105
Dmitriy789 [7]

- 5 {y}^{2}  = 105 \\\Leftrightarrow  {y}^{2}  =  - 21 \\ \Leftrightarrow y = i \sqrt{21}

5 0
3 years ago
Referring to the Fig. in Question #42, give the coordinates
iragen [17]

Answer:

  (x, y) = (0, -3)

Step-by-step explanation:

The point Y is on the y-axis. Its x-coordinate will be zero, since it is neither left nor right of the y-axis.

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  (x, y) = (0, -3)

_____

  U(-5, 0)

  V(-3, 3)

  W(5, 5)

  X(-4, -5)

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It is a good idea to learn to read coordinates from a graph. You will be doing it a lot. The x-coordinate is the number of units right of the y-axis. The y-coordinate is the number of units up from the x-axis. Left or down makes the coordinate negative.

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2 years ago
Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
kaheart [24]

Answer:

62.73 will be the correct answer

3 0
3 years ago
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