Answer:
3. a
4. d
5. a
Step-by-step explanation:
Travel distance by light in a second = 3*10^5 kms
Travel distance by light in 60 seconds =
3*10^5 * 60
180 * 10^5
1.8 * 10^7 kms
Answer:
A variable is a quantity that may change within the context of a mathematical problem or experiment. ... The letters x, y, and z are common generic symbols used for variables. Sometimes, we will choose a letter that reminds us of the quantity it represents, such as t for time, v for voltage, or b for bacteria.
Step-by-step explanation:
thats true❤️
Step-by-step explanation:
no
because it will become
3(3)>9
9>9
it must be more than 9 unless the symbol is
Answer:
Step-by-step explanation:
The given quadratic equation is :
One of the roots of this equation is twice that of the other. Let the roots are 
, 
Sum of roots, 
Product of roots,
If 
,
So, the value of k is equal to 
.
