Ask a parent to help you with it because I'm not so sure maybe 12/60?
Answer:
19.6 cm²
Step-by-step explanation:
The formula of the area of a circle
= πr²
The radius of the circle
= 5÷2
= 2.5 cm
The area of the circle
= π×2.5²
= 19.63495...
= 19.6 cm² (rounded to the nearest tenth)
Answer:
I will assume that "first number is 6 less than 4 times a number" is meant to say something like "first number is 6 less than 4 times <u>the middle</u> number." As written, it offers no information. "first number is 6 less than 4 times a number" could be almost anything. If this can be clarified, consider the following process for solving the question.
Step-by-step explanation:
Three consecutive numbers: X, Y, and Z
We can rewite this as:
X = X
Y = X+1
Z = X+2
1) X = 4[?????] - 6 [Need some clarification about the "number"]
2) Z = 3X + 7 [Substitute the value for Z from above]
X+2 = 3X+7
2X = -5
And so on.
Answer:
7 / 2
Step-by-step explanation:
Given that:
2 skeins of yarn = $7
7 α 2
7 = 2k
2k = $7
k = constant of proportionality
Make k the subject
Divide bith sides by 2
k = 7/2
To test the correctness of k
8 skeins cost $28
Thus,
8 * k should equal 28
8 * 7/2 = 56/2 = 28