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Shtirlitz [24]
3 years ago
5

Need help!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Leni [432]3 years ago
8 0

Answer:

145,7

Step-by-step explanation:

The area of the circle is 2πr

The area of the rectangle is b·h

Applied to this figure is:

2·π·r = 2·3,14·5 = 31,4 this is a semicircle so you have to divide by 2.   31,4/2 = 15,7

b·h = 13·10 = 130 (you can know the high because the double of the radio is the diameter)

130 + 15,7 = 145,7

ss7ja [257]3 years ago
4 0

Answer:

103.8 units^2

Step-by-step explanation:

rectangle:

13*5=65

semi-circle:

5*5*3.1=77.5

77.5/2=38.75

38.75+65=103.75 units^2

round to 103.8

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Find the length of the third side. If necessary, round to the nearest tenth. 10 14 ​
abruzzese [7]

Answer:

9.8 units

Explanation:

According to Pythagoras theorem, the square of length of the hypotenuse is equal to the sum of squares of lengths of other two sides.

Let the third side be x units.

Then,

x² + 10² = 14²

=> x² + 100 = 196

=> x² = 196 - 100

=> x² = 96

=> x = √96

=> x = 4√6

=> x = 9.79....

=> x = 9.8 (Rounding to the nearest tenths)

So, the length of the third side is 9.8 units.

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3 years ago
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Answer:

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PIT_PIT [208]

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3 0
3 years ago
Which variable expression matches the word phrase "4 less than 2 times a number"
Xelga [282]

Answer:

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Step-by-step explanation:

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Multiplication is first.

2x - 4

4 0
3 years ago
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Step-by-step explanation:

11 units right

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