1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Arturiano [62]
3 years ago
7

Find all the missing sides and angles of this triangle.

Mathematics
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

A = 20°

AC = 6.6

BC = 2.4

Step-by-step explanation:

Given:

B = 70°

C = right angle = 90°

AB = 7

Required:

A, AC, and BC

Solution:

✔️A = 180 - (90 + 70) (sum of triangle)

A = 20°

✔️Use trigonometric function to find AC:

Refernce angle = 70°

Opp = AC

Hypotenuse = 7

Apply SOH,

sin 70 = Opp/Hyp

sin 70 = AC/7

7 * sin 70 = AC

6.57784835 = AC

AC = 6.6 (nearest tenth)

✔️Use trigonometric function to find Bc:

Refernce angle = 70°

Adj = BC

Hypotenuse = 7

Apply CAH,

cos 70 = Adj/Hyp

cos 70 = BC/7

7 * cos 70 = BC

2.394141 = BC

BC = 2.4 (nearest tenth)

You might be interested in
The average rate of change of f from 2 to 3
ella [17]

For a function of f, the average rate of change can be found as follows:


ARC=\frac{f(x_{2})-f(x_{1})}{x_{2}-x_{1}}


So, this problem asks for the Average Rate of Change of f from x_{1}=2 to x_{2}=3. In this way, we need to find f(x_{1}) \ and \ f(x_{2}). As you can see above, we have the graph of f(x), so we can find these values. Thus, from the graph:


f(x_{1})=4 \\ f(x_{2})=1


Therefore:


ARC=\frac{1-4}{3-2} \\ \\ \therefore \boxed{ARC=-3}

3 0
2 years ago
A basket contains 19 apples. There are 9 yellow apples. There are 2 fewer red apples than yellow apples. There are 3 times as ma
kiruha [24]
3 green apples and 7 red apples
8 0
2 years ago
Read 2 more answers
It takes 58 pounds of seed to completely plant a 9-acre field. How many acres can be planted per pound of seed?
ozzi

Answer:

6 4/9

Step-by-step explanation:

You divide 58 and 8 and your answer would be 6.444444 repeating.

6 0
2 years ago
Under which operations are polynomials closed
Helga [31]
Addition,subtraction,and multiplication
6 0
3 years ago
Can someone help me with this algebra question? I don’t get it :( and I’m not tryna fail
ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

if f(x)=3x-1 and g(x)=2x+5 then

f(x)-g(x)=3x-1-(2x+5)

f(x)-g(x)=3x-1-2x-5

f(x)-g(x)=x-6

8 0
2 years ago
Other questions:
  • What is x-3=14 x-2=y
    5·1 answer
  • A painting crew reported that a job is 3/5 completed. What fraction of the job remains to be done?
    6·2 answers
  • Boris downloads a 140MB file from the internet. He downloads 60% of the file in 2 minutes, how many megabytes (MB) of the file h
    15·1 answer
  • All of the following expressions are equivalent except _____.
    8·2 answers
  • Write the equation in standard form.<br><br> 8−5y=−2x
    11·1 answer
  • I promise I will mark you brainlist as soon as I see your answers if you help me with this!
    11·2 answers
  • 1. You notice that you only have 13 pound of cheese and 34 cup of milk. How much
    9·1 answer
  • What is the answer please helppppp
    6·1 answer
  • Try It!
    8·2 answers
  • Find positive and negative coterminal angles for -240
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!