Answer:
letter a
Step-by-step explanation:
hope it helps
..............
Set the Ys equal to eachother them solve for X
3x-13=-4x+1
+13 to both sides
3x=-4x+14
Add 4x to both sides
7x=14
Divide by 7 to both sides
X=2
Answer:The tree is 186.6 feet tall.
Step-by-step explanation:SOH-CAH-
T
OA
\text{tan }\color{purple}{64}=\frac{\color{green}{\text{opposite}}}{\color{blue}{\text{adjacent}}}=\frac{\color{green}{x}}{\color{blue}{91}}
tan 64=
adjacent
opposite
=
91
x
\text{tan }64=
tan 64=
\,\,\frac{x}{91}
91
x
\frac{\text{tan }64}{1}=
1
tan 64
=
\,\,\frac{x}{91}
91
x
91\text{ tan }64=
91 tan 64=
\,\,x
x
Cross multiply.
x=186.577649...\approx186.6
x=186.577649...≈186.6
Type into calculator and round to the nearest tenth.
\text{The tree is 186.6 feet tall.}
The tree is 186.6 feet tall.
Answer:
about $2442.42
Step-by-step explanation:
1985 - 1980 = 5 years
B = Initial Value
r = rate of change
t = time
A = B(1 + r)^t
2245(1 + 0.017)^5 = 2442.42428756
2442.42428756 = 2442.42
Answer:
A is your Answer
Step-by-step explanation: UR WELCOME