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Sophie [7]
3 years ago
13

Show all your working please​

Mathematics
1 answer:
Basile [38]3 years ago
4 0

Answer:

45 cm²

Step-by-step explanation:

area = ½×11×13×sin 39°

= 71.5 × 0.6294

= 45 cm²

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What is the distance between the points (5.-18) and (8,
romanna [79]

Answer:

\sqrt{10}

Step-by-step explanation:

The horizontal distance from points (5,-18) and (8,-17) is 3 because it is 3 units from 5 to 8.  The vertical distance is 1 since it is one unit from -18 to -17.  Now we can use the equation a^{2}+b^{2}=c^{2} where a=3 and b=1 and c is the distance that you are looking for:

a^{2} +b^{2} =c^{2}\\3^{2} +1^{2} =c^{2}\\9+1=c^{2}\\10=c^{2}\\\sqrt{10}=c

8 0
3 years ago
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If an item originally was $75.00 but I bought it at $45.00, what percentage is the discount
jeka94
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4 years ago
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dybincka [34]

Answer:

Each family spent about 34.25 on dinner

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$167 - $30 (tip) = 137

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BUT

if each family is seperate than they each spent about 11.75 on dinner

167 - (30 x 4) = 47

47 ÷  4 = 11.75

I'm pretty sure the first one is the answer though

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$2004 Apex answer !!

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Is 5/4 greater than , less than , or equal to the square root of 2
victus00 [196]

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less than

Step-by-step explanation:

the square root of 2 is 4 and 5/4 is 1.25

8 0
3 years ago
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