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tatyana61 [14]
3 years ago
10

8+a=21 plssssssssssssszzzz​

Mathematics
1 answer:
attashe74 [19]3 years ago
8 0

Answer:

13

Step-by-step explanation:

because a is the missing number. Well, 21 minus or -  8 is equal to 13.

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Can u help me on how to figure out the answer for 12+3/8c=8
Likurg_2 [28]

Answer:

c = 32/3

Step-by-step explanation:

Eliminate the fraction by mult. all terms by 8:  96 + 3c = 64.

Subtract 64 from both sides, obtaining:  3c = 32.  Solving for c, c = 32/3.


8 0
2 years ago
What is the equivalent ratio of 82:36?
Tom [10]

41:18

82 / 2 = 41

36 / 2 = 18

I hope this helps.

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2 years ago
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Using the quadratic formula to solve 5x = 6x- - 3, what are the values of x?
goldfiish [28.3K]

Answer:

x= -3

Step-by-step explanation:

Solve the rational equation by combining expressions and isolating the variable  x.

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Do u know whats 103,727,495 in word for and expanded form
Studentka2010 [4]

Answer:

word form: One hundred three million seven hundred twenty seven thousand four hundred and ninety five.

expanded form: 100,000,000+3,000,000+700,000+20,000+7,000+400+90+5.

5 0
2 years ago
Find the product and simplify. (3c-5) ^2
RSB [31]

Answer:

9c² -30c + 25

Step-by-step explanation:

Perfect square trinomial: (a - b)² = a² - 2ab + b²

(3c - 5)²

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9c² -2(15c) + 5²

9c² -30c + 25

Final answer: 9c² -30c + 25

Hope this helps!

7 0
1 year ago
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