A diagonal cross section of a sphere produces which two-dimensional shape?

1 answer:

const2013 [10]3 years ago

4 0

A diagonal cross section of a sphere produces a circle.

Regardless of how the sphere is cut, it will form a circle.

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12a^-8b^3/3a^-4b^6 what is the answer

wel

(12a^-8b^3/3a^-4) (b^6)

= 4b^9/a^12

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3 0

3 years ago

By the end of a year,Kieran's savings is 9/2 of Simons savings(a) what is the ratio of Kieran's savings to Simons savings to the

Aleks04 [339]

K=9S/2, total savings is S+9S/2=11S/2. So 9S/2÷11S/2=9/11. (a) The ratio is 9:11.
(b) Kieran’s savings are 9/11 of the total savings.
(c) Simon’s savings are S÷11S/2=2/11 of total savings (or simply subtract 9/11 from 1).
(d) K-S=28, 9/11-2/11=7/11 of the total savings, so 7/11 of the total savings is $28 and total savings is 11/7×28=$44.
CHECK
Kieran has 9/11 of $44 which is $36 and Simon has $8. 36/8=9/2 so the ratio is correct.
Simon has $28 less than Kieran and 36-8=28, which is correct.

4 0

4 years ago

F is an even function What does a equal?

harina [27]

The function is even, so $f(x)=f(-x)$