Answer:
<u>sum</u><u> </u><u>is</u><u> </u><u>1</u><u>2</u><u>7</u><u>5</u>
Step-by-step explanation:
![sum = \frac{n}{2} [2a + (n - 1)d] \\ \\ sum = \frac{50}{2} [(2 \times 1) + (50 - 1) \times 1] \\ \\ sum = 25(51) \\ sum = 1275](https://tex.z-dn.net/?f=sum%20%3D%20%20%5Cfrac%7Bn%7D%7B2%7D%20%5B2a%20%2B%20%28n%20-%201%29d%5D%20%5C%5C%20%20%5C%5C%20sum%20%3D%20%20%5Cfrac%7B50%7D%7B2%7D%20%5B%282%20%5Ctimes%201%29%20%2B%20%2850%20-%201%29%20%5Ctimes%201%5D%20%5C%5C%20%20%5C%5C%20sum%20%3D%2025%2851%29%20%5C%5C%20sum%20%3D%201275)
I dont know if its 100% correct but I believe its this one
Answer:
90
Step-by-step explanation:
so first do 120 divided by 4 is 30. Then multiply it by 3 to get 90.
Answer:
x = 5
Step-by-step explanation:
To solve, first subtract 5 from each side:
5 + 7x = 40
7x = 35
Then divide each side by 7:
x = 5
Answer:
tan65°
Step-by-step explanation: