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
mihalych1998 [28]
3 years ago
10

Find sin, cos, and tan for the given point (-4,5).

Mathematics
1 answer:
grandymaker [24]3 years ago
7 0

Step-by-step explanation:

x^2 + y^2 = r^2 --> r =\sqrt{(-4)^2 + 5^2} =\sqrt{41}

cos = x /r = -4 /\sqrt{41}

sin = y /r = 5/\sqrt{41}

tan = sin /cos = -5 /4

You might be interested in
Please HELP I WILL GIVE BRAINLIEST
Arada [10]

Answer:

1/3

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
You pay $228.50 in taxes at a rate of 10.25% to buy a new TV. How much did the tv cost original? Round your number to the hundre
Allisa [31]

Answer:

$2229.27

Step-by-step explanation:

tax rate: 10.25%

tax amount: $228.50

price before tax: x

10.25% of x = $228.50

0.1025x = 228.5

x = 228.5/0.1025

x = 2229.27

Answer: $2229.27

5 0
3 years ago
350 at 5% interest for 4 years simple interest at the to the nearest cent
Scilla [17]
The answer is $4.40

mutiply 350 by 5% and get 17.5 then divide thag by 4 and you get 4.37 and you supposed to round it up which will be 4.40
3 0
3 years ago
What time is it when the hour hand is a little past the 3 and the minite hand is pointing to the 3?
Lisa [10]
3:15 because its till 3 o'clock and in each 1 theres 5 inside so 3x 5 = 15.
Thats how I got the answer 3:15 o'clock.

Hoped it help! :D
4 0
3 years ago
Read 2 more answers
Suppose you can somehow choose two people at random who took the SAT in 2014. A reminder that scores were Normally distributed w
Sindrei [870]

Answer:

22.29% probability that both of them scored above a 1520

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 1497, \sigma = 322

The first step to solve the question is find the probability that a student has of scoring above 1520, which is 1 subtracted by the pvalue of Z when X = 1520.

So

Z = \frac{X - \mu}{\sigma}

Z = \frac{1520 - 1497}{322}

Z = 0.07

Z = 0.07 has a pvalue of 0.5279

1 - 0.5279 = 0.4721

Each students has a 0.4721 probability of scoring above 1520.

What is the probability that both of them scored above a 1520?

Each students has a 0.4721 probability of scoring above 1520. So

P = 0.4721*0.4721 = 0.2229

22.29% probability that both of them scored above a 1520

8 0
3 years ago
Other questions:
  • Rewrite the function W= 50+2.3(h-60) in order to express height as a function of weight
    6·1 answer
  • Can someone help me asap! thank you so much
    5·1 answer
  • One state leads the country in tart cherry​ production, producing 80 out of every 100 tart cherries each year. a. What percent o
    6·1 answer
  • Jake has taken 4 test and his average so far is 79. if he takes 2 more tests and scores a 100 on both what will his average be?
    5·1 answer
  • The school soccer team is ordering new knee pads for their uniforms. The knee pads come in 4 different colors, 6 sizes, and 2 st
    12·1 answer
  • One rabbit saw 6 elephants while going towards River.
    15·2 answers
  • The sum of three consecutive even<br>numbers is 72. What is the smallest of<br>these numbers?​
    7·1 answer
  • Translations, Reflections, and Rotations produce a figure that is congruent to the original figure. True or False?
    15·1 answer
  • What is the area of the shaded region?
    8·1 answer
  • Factorize: x3–23x2+ 142 x -120
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!