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
Ksju [112]
3 years ago
15

Given that sinΘ = 1/2 and that Θ lies in quadrant II, determine the value of cosΘ.

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
5 0
I believe it’s D, look up a trig sin/cos/tan chart just to make sure
You might be interested in
We are the smallest and largest whole number that round to 8,000 when rounded to the nearest thousand.
Inga [223]
The rule normally works that 0 to 4 is rounded down and 5 to 9 is rounded up. So the lowest number would be 7,500 (to the nearest thousand you would round the "5" up to turn the "7" in to an "8"). The highest whole number is 8,499. Any higher and that "4" would become a "5" meaning you would round up to 9000 and <span>not down to 8,000.</span>
6 0
4 years ago
Read 2 more answers
A Canadian longitudinal study1 examined whether giving antibiotics in infancy increases the likelihood that the child will be ov
dalvyx [7]

Answer:

1. H_{0} : p = 0.70 , H_{a} : p > 0.70

2. Test Statistic : 0.54 , P value : 0.2946

3. Fail to reject null Hypothesis

4. No.

Step-by-step explanation:

1. Null hypothesis is 70% of children receive antibiotics.

Alternative hypothesis is more than 70% of children receive antibiotics.

2. Test statistic is calculated as;

z = \frac{p (1 - p)}{\sqrt{\frac{p (1-p}{n} )} }

z = \frac{0.01}{0.0185}

z = 0.54

3. p value is calculated as;

1 - right tailed probability

1 - 0.7054 = 0.2946

5 0
3 years ago
A company that packages cold cuts needs to transport the packaged meat to the supermarket.it will cost $1,200 to rent a truck,an
nevsk [136]
The equation to solve this is $1,200+a=b, with a being the cost of the amount of cold cuts being transported and b being the total cost for the truck and the meat.
8 0
3 years ago
Read 2 more answers
In a store the number of dogs is 12 times greater than 3 times of cats. If there are 21 dogs in the store, how many cats are in
user100 [1]

Answer:

If you really meant that the number of dogs is 12 greater than 3 times the number of cats then:

3 cats

Step-by-step explanation:

21= number of dogs

c = number of cats

21 = 12 + (3c)

3c = 9

c = 3

8 0
3 years ago
The data set shows the number of practice free throws players in a basketball competition made and the number of free throws the
Mila [183]

Answer-

The exponential model best fits the data set.

Solution-

x = input variable = number of practice throws

y = output variable =  number of free throws

Using Excel, Linear, Quadratic and Exponential regression model were generated.

The best fit equation and co-efficient of determination R² are as follows,

Linear Regression  

Quadratic Regression

Exponential Regression

The value of co-efficient of determination R² ranges from 0 to 1, the more closer its value to 1 the better the regression model is.

Now,

Therefore, the Exponential Regression model must be followed.

5 0
4 years ago
Other questions:
  • Which is the best estimate for the percent equivalent of 7/15 21% 22% 46% 47%
    9·2 answers
  • If an investment of $3000 grows to $4432.37 in eight years with interest compounded annually , what is the interest rate?
    9·1 answer
  • if the sides of a square are lengthened by 3 m, the area becomes 81 m2. Find the length of a side of the original square.
    13·1 answer
  • What is the standard form 0.005×10
    7·2 answers
  • A box is 20 cm long. Which of these is closest to the length of this box in feet? (1 inch = 2.54 cm)
    5·2 answers
  • Ralph’s classroom measures 12 meters in length. What is the length of the classroom in millimeters?
    14·1 answer
  • Which statement describes the graph?
    10·1 answer
  • Find the length of the shortest side ( rounded to 2DP) if the area of the rectangle is 28m^2
    6·1 answer
  • Help pls what is the relationship between work hours and total money earned
    15·1 answer
  • The winner of a raffle will receive three-fourths, or 0.75, of the $530.40 raised from raffle ticket sales.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!