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
kicyunya [14]
3 years ago
6

Can someone help I don’t understand this!?

Mathematics
2 answers:
vaieri [72.5K]3 years ago
8 0

Answer:

to do this you need to know that cos= adjacent/hypotenous.

Therefore your answer would be cos55=12/x

Step-by-step explanation:

alexira [117]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Let's label what we currently have:

Hypotenuse = x

Opposite = 12

Adjacent = ?

Since the answer choices are asking us to use cosine, we will need to use the cosine formula:

cos=\frac{adjacent}{hypotenuse}

It seems like we don't have the adjacent side yet. However, if we use another angle, we can find out what x is. We know one angle is 35°. Since it is a right triangle, the other angle is 90°. Since all triangles add up to 180°, we know that the other angle is 55°. We CAN use cosine to find x if we use the 55° angle.

Let's label our new areas:

Hypotenuse=x

Opposite=?

Adjacent=12

By using the cosine formula, we can now use the two values we have in the equation.

cos 55=\frac{12}{x}

You might be interested in
The center of a circle and a point on the circle are given. Write the equation of the circle in standard form.
pogonyaev

Answer:

A.Because ,center is (3,2)and point is (-2-3) .

and answer is (x-3)2+(y+2)2=52.

6 0
3 years ago
-5, 20, -80, 320, ... is a geometric sequence a. Find the common ratio, b. Write its recursive rule c. Write its explicit rule.W
mario62 [17]

a.

In order to find the common ratio, we just need to divide a term by the term that comes before it.

So using the terms 20 and -5, we have:

\text{ratio}=\frac{20}{-5}=-4

b.

The recursive rule can be found with the formula:

a_n=a_{n-1}\cdot q

Where an is the nth term and q is the ratio. So we have:

a_n=a_{n-1}\cdot(-4)

c.

The explicit rule can be written as:

a_n=a_1\cdot q^{n-1}

Where an is the nth term, a1 is the first term and q is the ratio. So:

a_n=-5\cdot(-4)^{n-1}

5 0
1 year ago
Bailey likes the shape of her friend's pool, but she wants one that is half the volume. According to Cavalieri’s Principle, what
Cerrena [4.2K]

Answer: I need a picture off the pool and measurements.

Step-by-step explanation: I need this in order to figure out the problem and give you a helpful answer.

8 0
3 years ago
Read 2 more answers
A bandleader randomly select's two students out of 100 bandmembers if you and your brother are both bandmembers what is the prob
kherson [118]
<span>There are 100 * 99 = 9900 different ways to choose two students out of 100 bandmembers. You and our brother are 2 of that ways: you being selected first and you being selected second. Therefore the probability that you two are selected is 2 / 9900 = 0,000202. You can also think as the probability of you being selected among 100 bandmembers, which is 1/100, times the probability of your brother being selected among 99 members, which is 1/99 => (1/100) * (1/99) = 1/ (100*99) = 1 / 9900; plus the same for your brother being selected first and you second => [1/9900] * 2 = 2/9900, which is the same calculated above.</span>
6 0
3 years ago
The length of a rectangle is three feet less than twice its width. If x
d1i1m1o1n [39]
 So if the question says at most 30 sq ft than most likely the > is going to go this way even if it has a line that symbolizes equal or more so that kinda narrows it down to 2 and 4. The L is -3ft x 2 Id say 4. Hope I helped 
5 0
3 years ago
Other questions:
  • A sample of marble has a volume of 6 cm3 and a density of 2.76 g/cm3. What is its mass?
    13·2 answers
  • jeff wants to buy a phone card for long distance calls. he can buy a 200-minute card for $10.00 or a 300-minute card for $12.00.
    13·2 answers
  • Plz help me
    11·2 answers
  • If i have 2 snickers and my friend takes one what would I have left?
    12·1 answer
  • Godel is asked to perform the addition problem below. Godel believes that because there are more negative numbers, the answer wi
    14·1 answer
  • sam gets 15 vacation days each year. By june 1st, sam had used 6 of his vacation days. what fraction on the year's total did he
    5·1 answer
  • Helpppp pleasssss!!!!
    7·1 answer
  • Idek … what y’all think? First to Lmk the right answer earns the brainliest !!!
    14·1 answer
  • A worker is paid Rs. 2600 for 21 days work. If his total income of the month is Rs. 2400, for how many days he didn't work? I ne
    12·1 answer
  • Which of the following is parallel to the line 2x+4y=16
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!