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
TiliK225 [7]
3 years ago
6

A ladder is leaning against a building. The

Mathematics
1 answer:
arlik [135]3 years ago
3 0

Answer:α

=

71

°

:

explain:

From trigonometry we have:

cos

α

=

7

21

7

=

21

cos

(

α

)

and:

α

=

a

r

c

cos

(

7

21

)

=

70.5

≈

71

∘

You might be interested in
If you spin the spinner below twice, what is P(vowel, then Q)? A. 1/10 B. 1/9 C. 2/9 D. 1/12 Answer correctly and I will give br
bagirrra123 [75]

Answer:

The probability of spinning a vowel, then Q, is 1/12

Step-by-step explanation:

Find the probability of each event occurring. There are three vowels out of 6 letters and 1 Q, so the chances of spinning a vowel is 3/6 or 1/2 and the chances of spinning a Q is 1/6. Multiply the probabilities of the two events occurring to find the probability of a compound event. 1/2*1/6 = 1/12. Hope this helps!

4 0
3 years ago
Read 2 more answers
The length of rectangle is 3 cm longer than its breadth. If the perimeter of the rectangle is 54 cm, find its length,in cm​
Ilia_Sergeevich [38]

Answer:

Length=15cm

Hope this answer is right!!

Step-by-step explanation:

Length be 3 cm longer than the breadth.

So, x=y+3

Perimeter = 2(x+y)54

So, x+y=27 =>x=15

x-y=3 =>x=12

So, length is 15 cm

3 0
3 years ago
HELP???????????????????????????????????????????????????????? pls? (10 points) (image down below to make it easier to understand.
prisoha [69]

Answer:

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is median of this data?4,6,7,9,10,12,14,15,15
stiks02 [169]

Answer: 10

Step-by-step explanation:

it is the middle of all the numbers

7 0
3 years ago
Read 2 more answers
A pair of standard dice is rolled. Find the probability that the sum of the two dice is greater than 1.
sleet_krkn [62]

Answer:

1/1 chance

Step-by-step explanation:

The lowest sum the die could add up to is 2. 2>1

So that means that on every roll, the sum of the two die will add to a number greater than one.

4 0
2 years ago
Other questions:
  • Alfred made 21goals in 3.5 minutes. What is Alfred’s unit rate
    7·2 answers
  • Choose the graph of the function given below.f(x) = 2x+1
    11·1 answer
  • Talia wants to write the equation of the graphed line in point-slope form. These are the steps she plans to use: Step 1: Choose
    9·2 answers
  • What is the quotient: (6x4 + 15x3 + 10x2 + 10x + 4) ÷ (3x2 + 2)?
    5·2 answers
  • What is 9.66 rounded to the nearest tenth
    6·2 answers
  • In the checksums, you validated that the average SAT score for all of the records is 1,059.07. When we work with the data more r
    9·1 answer
  • Marcie baked several pies. She used 4 cups of flour for the dough. How many pints of flour did she use?
    11·1 answer
  • Jason has 5 boxes and 3 cases of soup cans Each box contains 6 cans and each case contains 36 cans How many cans of soup does Ja
    8·1 answer
  • A rectangular sign is 4 times its width if the perimeter is 20 inches what is the signs area.
    13·1 answer
  • You are at a coffee shop and notice that as the temperature of the room gets colder, more people order hot beverages. From this
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!