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valentinak56 [21]
3 years ago
10

1/3m- 1- 1/2n when m= 21 and n = 12

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0
With this one, plug in the values with the corresponding letters. 1/3m would be the same as 1/3(21) to get an answer of 7. Then 1/2(12) which is 6. Now the equation is 7-1-6 to get an answer of 0.
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Help plz:))) I’ll mark u brainliest <br> ASAP!!!
8090 [49]

Answer:

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Step-by-step explanation:

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2 years ago
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Papessa [141]

Answer:

d = 10/72

Step-by-step explanation:

c and d vary inversely

c = k/d

Where,

k = constant of proportionality

d = 2/9 when c = 5

c = k/d

5 = k ÷ 2/9

5 = k × 9/2

5 = 9k/2

Cross product

5*2 = 9k

10 = 9k

k = 10/9

c = k/d

c = 10/9 ÷ d

c = 10/9 × 1/d

c = 10/9d

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c = 10/9d

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8*9d = 10

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d = 10/72

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3 years ago
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butalik [34]
We know for the problem that the performer earned $120 at a performance where 8 people attend. We also know that he u<span>ses 43% of the money earned to pay the costs involved in putting on each performance, so we need to find the 43% of $120. To do that, we are going to divide 43% by 100%, and then multiply it by $120:
</span>\frac{43}{100}*120=51.6
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We can conclude that the performer makes a profit of $68.4 when 8 people attend his performance.
 
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3 years ago
A circle has a radius of 15 inches. What is the area, in square inches, of this circle? (The area of a circle with a radius of r
kozerog [31]

Answer:13

Step-by-step explanation:

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tankabanditka [31]

6) check picture

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6 0
3 years ago
Read 2 more answers
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