Answer:
D = 3 cm
Step-by-step explanation:
Given that,
The circumference of a circle is 9.45cm.
We need to find the length of the diameter.
The formula for the circumference of a circle is given by :
We know that, Diameter = 2r
So,
So, the length of diameter is equal to 3 cm.
Ratio: 2:6 (Reduced 1:3)
Fraction: 2/6 (Reduced 1/3
Answer:
s = 4
Step-by-step explanation:
3r = 10 + 5s
3×10 = 10 + 5s
5s = 30 - 10
5s = 20
s = 20 : 5
s = 4
This is not the best question I've ever seen. The wording is the problem, and it's not your fault. The melting point of Krypton is about - 160 oC. It means that numerically the melting point of Krypton is 4 times lower than that of mercury.
Krypton = 4*M
M = - 39
Krypton = 4*-39
Krypton = - 156o C
Now you want to make it something like K(1/4) = - 39 which would be fine. You can't use - 1/4. If you do, your answer will come out to be + 156 which is not what you mean. If this was a multiple choice question, your answer would be the second best one.
Answer:
13/90 > 1/7 or 1/7 < 7/90
Step-by-step explanation:
to compare two rational expression you should make the denominator equal
1/7 ➡ ×90 = 90/630
13/90 ➡ ×7 = 91/630
