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ki77a [65]
2 years ago
13

What does r equal in 9r = 27

Mathematics
2 answers:
stepladder [879]2 years ago
8 0

Answer:

3

Step-by-step explanation:

9r= 27

9r÷9= 27÷9

r= 3

Therefore r equals 3

Strike441 [17]2 years ago
4 0

Answer:

r = 3

Step-by-step explanation:

To find r you would take the equation 9r=27, and divide each side of the equation by 9, leaving you with r = 3.

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RideAnS [48]

Answer:

um no problem with this is easy

5 0
3 years ago
Blank * 1/4 is equal to 2
Montano1993 [528]

8, that is the same as saying what divided by 4 is 2, and 8 divided by 4 is 2. Thus, 2 is 1/4th of 8.

6 0
3 years ago
Read 2 more answers
Write the sum using summation notation, assuming the suggested pattern continues. 1 - 3 + 9 - 27 + ...
meriva
There is no sum for this geometric series. it diverges rather than converges due to the absolute value of the common ratio (r), which is -3, being 3. for a geometric series to have a sum (to converge), the absolute value of r must be less than 1. 
(you find r by dividing a2/a1, a3/a2, etc.)
hope this helps
4 0
3 years ago
Read 2 more answers
Complete the statements and equations to find the product of 6 and 13
Alina [70]

Answer:

78

Step-by-step explanation:

the product of 6 and 13 =78

8 0
3 years ago
What is 2 1/4 ÷ 1/2=​
marshall27 [118]

Answer:

Step-by-step explanation:

Convert mixed fraction to improper fraction.

2\frac{1}{4} ÷ \frac{1}{2} = \frac{9}{4} ÷ \frac{1}{2}

Now use K C F method

K - Keep the first fraction

C - Change  the division operation to multiplication

F- Flip the second number

          = \frac{9}{4} *\frac{2}{1}\\\\= \frac{9}{2}*1\\\\= \frac{9}{2}\\\\= 4 \frac{1}{2}

4 0
2 years ago
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