2 years ago

We can think of 3 -- as the answer to the question "How many groups

Mathematics

1 answer:

Greeley [361]2 years ago

4 0

Answer:

Step-by-step explanation:

I am represent 1/4 as a quarter of a circle, and 3 as 3 full circles.

How many quarters of a circle are there in 3 full circles.

There is 4 quarters of a circle in one full circle. Multiplying that by 3, there are 12 quarters of a circle in 3 full circles. So there are 12 quarters in 3.

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Solve the following equation<br> 3x + 5 / 2 X + 7 = 5 <br>pls pls pls need ans. for this question

KiRa [710]

Answer:

-30/7 = x

Step-by-step explanation:

im guessing u mean (3x+5)/(2x+7) = 5

3x+5 = 5(2x+7)

3x+5=10x+35

-7x=30

x= -30/7

8 0

2 years ago

Find the 81st term of the arithmetic sequence -10, -25, -40

Maurinko [17]

Answer:

5 - (N x 15)

81 x 15 = 1215

5-1215=-1210

-1210 should be the 81st term

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

X + 5y = 28<br> - x - 2y = -13

bazaltina [42]

Answer:

x=3

y=5

Step-by-step explanation:

x+5y=28 (i)

-x-2y=-13. (ii)

add equation 2 from equation 1

x+5y=28

-x-2y=-13

3y=15

y=5

put the value of y in equation 1

x+5y=28

x+5*5=28

x+25=28

x=28-25

x=3

8 0

3 years ago

2.5 x 1 1/10 x 9/3 / 1/2

Allisa [31]

4.125 is the answer

8 0

2 years ago

Amelia and 2 of her friends went out to lunch. Each girl ordered exactly the same meal. The total cost was $55.08,which included

Murrr4er [49]

Possibly $16.89 because you multiply 55.08 and .08 to find 4.41 then you subtract that to 55.08 to find the total cost without tax which is 50.67. Then you divide by 3 because there are 3 girls to 16.89.

4 0

3 years ago