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Mariulka [41]
2 years ago
15

Given that 3^y=243:find the value of y​

Mathematics
2 answers:
algol [13]2 years ago
7 0

Answer:

5

Step-by-step explanation:

So lets do this slowley

3x3=9

9x3=27

27x3=81

81x3=243

It took 5 threes or 3x3x3x3x3 to get 243

svlad2 [7]2 years ago
7 0

Answer:

y=81, try that for answer

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Mjhs is refinishing a basketball court and decided to paint everything shown below blue. How many square feet will be painted bl
SashulF [63]

Answer:

<h2>Mjhs needs 189.25 square feet of blue paint, approximately.</h2>

Step-by-step explanation:

As you can observe in the image attached, the basketball court is a composite figure formed by a rectangle and half of a circle.

The rectangle has dimensions of 10 feet by 15 feet. The circle has a diameter of 10 feet.

The expression of this composite area would be

A= w \times l + \frac{\pi (\frac{l}{2} )^{2} }{2}

Where w = 15 \ ft and l = 10 \ ft. Replacing these values, we have

A= 15 \times 10 + \frac{3.14 (\frac{10}{2} )^{2} }{2}\\ A=150 + \frac{3.14 \times 25}{2}=150+39.25 \\ A \approx 189.25 \ ft^{2}

Therefore, Mjhs needs 189.25 square feet of blue paint, approximately.

8 0
3 years ago
Please help I’ll give brainliest
Minchanka [31]

Answer:

the answer which you have opted is perfect

6 0
2 years ago
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Which of the four is it? ​
Anna11 [10]

Answer:

option 1 i believe

Step-by-step explanation:

just worked it out

i hope this is right and helps <3

6 0
3 years ago
What does 14x - 200y = when x = 12 and y = 3.2?
myrzilka [38]
14(12)-200(3.2)
168-640= -472
5 0
2 years ago
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The weight of an object on a particular scale 155. 2lbs the measured weight May very from the actual weight by the most 0.4 lbs
zavuch27 [327]

Answer:

154.8-155.6

Step-by-step explanation:

155.2-.4=154.8 or maybe its more in that case the most it could be is 155.2+.4=155.6

7 0
3 years ago
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