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9966 [12]
3 years ago
13

Luis colors 1/4 of a spinner using a red crayon. write the fraction of the spinner Luis colored red in twelfths.

Mathematics
1 answer:
larisa [96]3 years ago
6 0
3/12 because;1*3=3
And 4*3=12 or to explain: 1/4 * 3 = 3/12
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4 0
3 years ago
R = 850 cm, s = 250 cm and t=940 cm. Find the measure of ZS tothe nearest 10th of a degree
faust18 [17]

To find the measure of the s angle que are going use the cosine law because we know all the sides of the triangule:

s² = r² + t² - 2*r*t * cos(S)

Then solve the equation

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arccos (((250)² -(850 cm)²-(940 cm)² /(-2* 850 cm*940 cm) = S

14.9 = S

round to the nearest 10th of a degree

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5 0
1 year ago
Three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 33957. Find the largest number
lina2011 [118]
We take each number as x = 2x 3x 4x 
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8x³+27x³+64x³=33957
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x³=33957÷99
 =∛343
x=7
2x=2×7=14
3x=3×7=21
4x=4×7=28
=the three numbers are 14,21,28
4 0
3 years ago
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