Answer:
A is 840 I think and B is 2400
Step-by-step explanation:
so if u x 10x12=120x7=840. that's for A.
so for B is 15x10=150x10=2400
I'm pretty sure this should be right I hope you get a really good grade on this
Answer:
7x+21
Step-by-step explanation:
Looking at the triangle, we see that the angle 29.7 deg and the "adjacent side" length 20 ft are given. Our job is to find the "opposite side," which is the height of the tree.
Write out the tangent function: tan 29.7 deg = opp side / adj side
Then tan 29.7 deg = (opp side) / (20 ft).
Solving for the length of the opp side:
opp side = (20 ft)(0.57) = 11.41 feet. This is also the height of the tree.
Answer:
a) First Average mean = 21
b) Current mean = 22
Step-by-step explanation:
Formula For mean =
Sum of Terms/ Number of terms
a)Sandy had test scores of 20, 25, 17, 22, and 21.
Number of terms = 5
Mean = (20 + 25 + 17 + 22 + 21)/5
= 105/5
= 21
b) On the next 3 test Sandy's score were 24, 24, and 23
To calculate this current mean, we will add the first 5 test scores, with this current 3 test scores and then find the average.
Mean = (20+ 25+ 17 +22 +21 + 24 + 24 + 23)/8
Mean = 176/8
Mean = 22
