Answer:
20°
Step-by-step explanation:
To find ∠C you don't even need 90° unless you would want to check if you are correct. to find ∠C you would just look for the whole triangle, so basically A + B + C = 180.
80 + 30 = 110
180 - 110 = 70
∠C = 70
Then you would take 70° and subtract it to 90° since it is a right angle combined with x and you would get your answer which is 20°.
9514 1404 393
Answer:
maybe B . . . it is the closest
Step-by-step explanation:
There are 180/π degrees in a radian.
__
11π/8 radians = (11π/8)(180°/π) = (11/8)(180°) = 247.5°
Answer:
A
Step-by-step explanation:
When you shift down by 5 units, you are basically -5ing to every value in the bottom part of the chart.
For the bottom of the chart, I get:
0,2,8,14
While the top is
1,2,3,4 as nothing changes here.
The only chart like this is A.
Answer:
3
Step-by-step explanation:
Subbing -3 for x in -x^2 - 4x, we get -(-3)^2 - 4(-3)
OR -9 +12
Final result: 3
Answer:
They are not equivalent.
Step-by-step explanation:
Before we solve the question, we need to know that from the laws of indices:
A^x x A^y = A^(x+y).
7 to the power of 8th power means 7^8
7^8 times 7 means 7^8 x 7. From the laws of indices we have 7^8 x 7 = 7^9.
7 to the power of 3rd power means 7^3
7^3 times 7 to the power of 3rd power means 7^3 x 7^3. From the laws of indices we have 7^3 x 7^3 = 7^6.
Obviously, 7^9 ≠ 7^3 therefore, they are not equivalent.
