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Paha777 [63]
2 years ago
10

4/9+r=-4/9 What is r

Mathematics
1 answer:
julsineya [31]2 years ago
6 0

Answer:

r = - 8/9

Step-by-step explanation:

\frac{4}{9} +  r =  \frac{ - 4}{9}  \\ r =  \frac{ - 4}{9}  -  \frac{4}{9}  \\ r =  \frac{ - 8}{9}

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Miss Lincoln has 15 girls and 10 boys in her homeroom if she randomly selects two students to attend the next meeting then what’
Olegator [25]

Answer:

1/4

Step-by-step explanation:

Mrs. Lincoln has 15 girls and 10 boys in her homeroom. She randomly selects two students. The total number of students is 25.

The probability of choosing one girl is:

15 / 25 = 3 / 5

Now, 24 students are left.

The probability of choosing one boy is:

10 / 24 = 5 / 12

Therefore, the probability of choosing one girl and one boy is:

3 / 5 * 5 / 12

= 3 / 12

= 1/4

3 0
2 years ago
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GalinKa [24]

Answer:

I believe the answer is C. hope this helps

5 0
3 years ago
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Find the value of X <br><br> And tell whether the side lengths form a Pythagorean triple
andreev551 [17]

Answer:

8 and yes

Step-by-step explanation:

c² - b² = a²

100 - 36 = a²

64 = a²

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the three sides form a sequence, 6, 8, 10, which is the pythagorean triple.

7 0
2 years ago
Which sentence demonstrates the multiplicative identity?<br><br> 1/2+0=1/2<br> 1/2•2=1<br> 1/2•1=1/2
sammy [17]

Answer:

\huge\boxed{\frac{1}{2} *1=\frac{1}{2}}

Step-by-step explanation:

From~all~of~the~above~options,option~``C"~is~correct.~

The~best~equation~that~demonstrates~the~multiplicative~identity~is~\frac{1}{2}*1= \frac{1}{2}

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3 years ago
A pizza restaurant has 21 topping choices and 3 crust choices. How many different 3-topping pizzas can be made if toppings can b
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It is 27, 783. Hope this helps
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3 years ago
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