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dalvyx [7]
2 years ago
11

Evaluate 0.65 x 280 - 2/9 of 513

Mathematics
1 answer:
kondor19780726 [428]2 years ago
7 0

Answer:

181.99956681

Step-by-step explanation:

Mark as brainliest

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The diagram shows a scale drawing of a playground the scale of the drawing is 1:500 work out the perimeter of the real playgroun
liraira [26]

Answer:

Check Explanation

Step-by-step explanation:

The complete question plus diagram is presented in the attached image to this solution.

From the attached image, the dimensions of the playground drawn will be a bit variable now as zooming and some editing might have tampered with the original intended dimensions to be measured.

But still, let us assume that on measuring the rectangular playground shown, we obtain approximately that the length is 4.5 cm and the breadth is 2 cm.

The scale to convert to real life is 1;500 indicating that

1 cm on the drawing = 500 cm lenght units of the real playground.

So,

4.5 cm on the drawing = 4.5 × 500 = 2250 cm of the playground

2 cm on the drawing = 2 × 500 = 1000 cm of the playground.

Hence, the real life dimensions of the playground is 2250 cm by 1000 cm.

In meters, that is 2.25 m by 1 m

The perimeter of a rectangular figure is given as

Perimeter = 2(Length + Breadth)

= 2(2.25 + 1)

= 6.5 m

Hope this Helps!!!

5 0
3 years ago
Find the area of this shape.
inessss [21]

Answer:

400-25π

Step-by-step explanation:

The circle and square have a radius of 10. Calculate the are of the circle, then divide by 4. Find the area of the square, then subtract the area from the area of the quarter circle you found previously.

5 0
3 years ago
The average life of a lightbulb is 2500 h, with a standard deviation of 200 h. Suppose that 10,000 bulbs are purchased to equip
Anna35 [415]
0 lightbulbs would be expected to burn out in 1800 hours
4 0
3 years ago
Two equivalent ratios for 14/8
FromTheMoon [43]
14 to 8
14/8 is going to equal 7/4 you get by doing this :<span> </span>
<span>= (14 ÷ 2)/(8 ÷ 2) </span>
<span>= 7/4 </span>
<span>= 1 3/4</span>
7 0
3 years ago
Estimate the answer for 7.13x6. Explain your reasoning using words, pictures , or numbers. plzz helpp i give brainilest
Kipish [7]

Answer:

<h3>42.78</h3>

Step-by-step explanation:

7.13

*   6

-------

42.78

(6 times all numbers on top.)

4 0
2 years ago
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