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katrin2010 [14]
3 years ago
9

What is the value of​

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0

Step-by-step explanation:

yes the first option is the correct one.

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Calculate the power in kilowats required to lift a 500 kg mass 12 meters in one second
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I think that the answer is 58,800 watts
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Find the perimeter and area of a rectangle of cardboard measuring 17.8 cm by 13.4 cm​
klasskru [66]

Step-by-step explanation:

perimeter \: of \: rectangle \\  = 2(17.8 + 13.4) \\  = 2 \times 31.2 \\  = 62.4 \: cm \\  \\ area \: of \: rectangle \\  =17.8 \times 13.4 \\  = 238.52 \:  {cm}^{2}  \\

8 0
3 years ago
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(-19, 12) , (-9, 1) <br><br> slope again
siniylev [52]
Answer: 11/-10

Why?
Difference of y / difference of x
12-1 / -19+9= 11/-10

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8 0
3 years ago
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Show the formula for finding the area of a triangle. Then find the area of a right triangle with a base of 19 cm and a height of
snow_tiger [21]
The answer is 61.75 because you have to do base times height then divide that answer by two
5 0
3 years ago
PLZ HELP ASAP SIMILARITY
PIT_PIT [208]
LY = 5.2  ,  TY = 3.9
Δ LTN is a right triangle , ∠T = 90° , TY⊥LN
∴ TY² = LY * YN
∴ 3.9² = 5.2 * YN
∴ YN = 3.9²/5.2 = 2.925

∴ LN = LY + YN = 5.2 + 2.925 = 8.125

Δ LYT is a right triangle , ∠Y = 90°
LT² = LY² + YT² = 5.2² + 3.9² = 42.25
∴ LT = √42.25 = 6.5

Δ NYT is a right triangle , ∠Y = 90°
NT² = NY² + YT² = 2.925² + 3.9² = 23.765
∴ NT = √23.765 = 4.875

The preimeter of the rectangle LINT = 2 * (LT + TN)
                                                          = 2 * ( 6.5 + 4.875 )
                                                          = 2 * 11.375
                                                          = 22.75



7 0
3 years ago
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