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Kamila [148]
3 years ago
11

B

Mathematics
1 answer:
larisa [96]3 years ago
5 0

Answer:

14.9cm

Step-by-step explanation:

20sin40= b

b= 14.9022

b = 14.9cm

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Jobisdone [24]

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22/7×9×3=22×9×3=594÷7=84.85

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Solve x 3+3(x+2)=-24​
gregori [183]

Answer:

x=-11

Step-by-step explanation:

3+3x=6=-24

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8 0
2 years ago
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It takes you 45 minutes to clean the fish tank and it takes your sister 30 minutes. how long does it take the two of you working
katen-ka-za [31]

It takes you 45 minutes to clean the fish tank and it takes your sister 30 minutes. how long does it take the two of you working together to clean the fish tank

Answer:

My 1 minute work =\frac{1}{45}

My sisters 1 minute work =\frac{1}{30}

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\therefore Me and My sister will finish the work in \frac{18}{1} =18 minutes

5 0
3 years ago
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zhuklara [117]

Answer:

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Step-by-step explanation:

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2 years ago
1) The variable x represents a value in the set ( 4, 6, 7, 8). Which value of x makes 2 (x-4) +3 =7?
sammy [17]

Answer:

x=6

Step-by-step explanation:

2 (x-4) +3 =7

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Divide each side by 2

2(x-4)/2 = 4/2

x-4 = 2

Add 4 to each side

x-4+4 =2+4

x=6

8 0
3 years ago
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