From the right triangle given, to obtain the unknown value we use the Trigonometry:
s/t
tan B=b/a
where:
B=15°
b=9
thus the value of a will be:
tan 15=9/a
solving for a we get:
a=9/tan 15
a=33.588~33.59
Answer: <span>33.59</span>
Answer:
2. 40
3. 40
4. 140
5. 140
6. 40
7. 40
8. 140
Step-by-step explanation:
angles 2 (and 3) are supplementary angles of the given angle, this means that the given angle and either one of the two angles i just mentioned should add up to 180
angle 4 is vertical to the given, so this means that they are congruent
angle 8 corresponds to 4 and 5 corresponds to the given, so they are all congruent
angles 7 and 6 correspond to 3 and 2, so they are also 40
Answer:the balance after 7 years is $3216
Step-by-step explanation:
A) Initial amount deposited into the account is $2800 This means that the principal,
P = 2800
It was compounded yearly. This means that it was compounded once in a year. So
n = 1
The rate at which the principal was compounded is 4%. So
r = 4/100 = 0.04
It was compounded for 7 years. So
t = 7
The formula for compound interest is
A = P(1+r/n)^nt
A = total amount in the account at the end of t years. Therefore
A = 2800(1 + 0.04/2)^ 1× 7
A = 2800(1 + 0.02)^7
A = 2800(1.02)^7
A = $3216
Sorry but I don’t see an picture