Answer:3
Step-by-step explanation:r( cos Ф + i sinФ) is the fifth root of 243(cos 240 + i sin 240), then r^5( cos Ф + i sin Ф )^5 = 243(cos 240 + i sin 240).
10. The volume of the triangular prism is 
, then
.
11. The volume of the triangular pyramid is 
, then
.
12. They have common base (common triangle). y=7.7, r=23.1, then r:y=23.1:7.7=3.
13. See 10 and 11 for notations in symbols.
Answer:
where's the options
Step-by-step explanation:
i think you made a mistake
Answer:
Step-by-step explanation:
To get equivalent expressions, if you are adding or subtracting, the number and letter you get on the left must be the same as the one on the right.
In B. The answer is incorrect because 4t is minus on the left. The letters are different, so 4t must remain minus. Not B
In C the numbers will combine when you add. If they are the same,, they remain the same. They do not become powers the answer for C is 10s. So C is not correct.
In D you are indicating that 6 is multiplied by 4s. You can only multiply 6 and 4. They don't add. Not D
A is correct.
Step-by-step explanation:
<u>$30 a month budget includes:</u>
- $9.99 monthly fee
- $20.01 to download songs, each for $0.50, this makes $20.01/$0.50 = 40.02 songs.
- So we can download 40 songs with this service.
