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salantis [7]
3 years ago
6

How do you solve the following using a distributive property? 9(1-r)+3r=

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0

Answer:

9-6r

Step-by-step explanation:

Distribute the 9 into the parenthesis:

9(1-r)=9-9r

Add the 3r and combine like terms:

9-9r+3r=9-6r

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Please help! the question is in the attarchment!
DaniilM [7]

Answer:

1000( l + b)

Step-by-step explanation:

2(500l + 500b)

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8 0
3 years ago
Solve the triangle.<br><br> a = 10, b = 23, C = 95°
gayaneshka [121]
C² = a² + b² - (2ab * cosC) 
<span>c² = 10² + 23² - (2 * 10 * 23 * cos95) </span>
<span>c² = 100 + 529 - (460 * -.08715) </span>
<span>c² = 629 - (-40.1) </span>
<span>c² = 669.1 </span>
<span>c = 25.87 </span>

<span>(Sin C) / C = (Sin A) / A </span>
<span>(Sin 95) / 25.87 = SinA / 10, Remember 0 < A < 85 </span>
<span>(10 * Sin95) / 25.87 = Sin A </span>
<span>A = arcsin ((10 * sin95) / 25.87) </span>
<span>A = 22.65º </span>

<span>B = 180 - A - C </span>
<span>B = 180 - 95 - 22.65 </span>
<span>B = 62.35º </span>

<span>I hope this helps. Have a good day.</span>
3 0
3 years ago
What is the probability of rolling a sum of 11 on a standard pair of six-sided dice? express your answer as a fraction or a deci
FromTheMoon [43]
I think it would have to be 5 and 6 because those two make up 11 when you add them. hope this helps

8 0
3 years ago
Can’t figure this out!
ale4655 [162]

Answer:

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St ep-by-step explanation:

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