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
sweet-ann [11.9K]
2 years ago
14

The numbers 1 through 25 are written in red marker on slips of paper while the numbers 26 through 50 are written with blue marke

r on slips of paper. All of the papers are put into a bag and shuffled. One card is randomly selected.
a) Find the probability of selecting a number greater than 46 or selecting a number written in red. Writing your answer as a fraction and completely simplify.
b)Find the probability of selecting a number written in blue or selecting a number tat is multiple of 10. Write your answer as a fraction and completely simplify.
Mathematics
1 answer:
Gekata [30.6K]2 years ago
6 0
A) \frac{27}{50}
b) <span>\frac{3}{5}</span>
You might be interested in
Rea Calculations
son4ous [18]
Area = length x width
10 X 5 = 50
7 0
3 years ago
The correlation coefficient between two quantitative variables is approximately 0.6. What does the value of this correlation coe
murzikaleks [220]

Answer:

The model does not fits the data well.      

Step-by-step explanation:

Correlation:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • A positive correlation means that an increase in one quantity leads to an increase in another quantity
  • A negative correlation means with increase in one quantity the other quantity decreases.

R-square, R^2

  • The quantity R-squared is an indicator of the predictive power of a model.
  • It explains the variation in the dependent variable due to independent variable.
  • It shows how well the model fits the data.
  • R-squared is also known as the  coefficient of determination.

R^2 = \text{(Correlation coefficient)}^2= (0.6)^2 = 0.36 = 36\%

Therefore, only 36% of the variations in the dependent variable is explained by the independent variable in the model which means more than 50% of variation cannot still be explained in the dependent variable.

Hence, the model does not fits the data well.

8 0
3 years ago
(REPEATING DECIMALS) do part A and B please
sertanlavr [38]

Answer:

.2121/1000

Step-by-step explanation:

42

7 0
3 years ago
please help me answer this question Solve: y − x = 12 y + x = -26 (19, -7). (-7, 1). (7, 19). (-19, -7).
Tpy6a [65]

Answer:

(-19 , -7)

Step-by-step explanation:

y - x = 12

y + x = -25 we sum them to get

2y = -14 , y = -7

then we put -7 instead of y in any of the equations:

-7 - x = 12

-x = 19

x = -19,

finally (x , y) is (-19 , -7)

3 0
3 years ago
If f(x) = 7x+6 and g(x)=8x-4 find f(g(-2))
sp2606 [1]

Answer:

f(g(-2))=-134

Step-by-step explanation:

So we have the two functions:

f(x)=7x+6\text{ and } g(x)=8x-4

And we want to find f(g(-2)).

First, let's find g(-2):

g(-2)=8(-2)-4

Multiply:

g(-2)=-16-4

Subtract:

g(-2)=-20

Now, substitute:

f(g(-2))=f(-20)

Now, find the value of f(-20):

f(-20)=7(-20)+6

Multiply:

f(-20)=-140+6

Add:

f(-20)=-134

So:

f(g(-2))=-134

And we're done!

5 0
3 years ago
Other questions:
  • C = 5/9 (F - 32) <br><br> Please help
    14·1 answer
  • Determine whether each number is a perfect square. If it is a perfect square, write
    15·1 answer
  • Can someone please help me on this
    9·2 answers
  • If 2f(x+1)+(4+1)=2x and *+-1 then<br>= 2x and X<br>-1 then<br>x<br>+<br>1<br>f(2) =​
    6·1 answer
  • Pythagorean triples are given by the formulas x2 - y2, 2xy, and x2 + y2. Use the formulas for the Pythagorean triples to find a
    15·1 answer
  • How many 8 oz glasses of water are in 3 liters?
    13·2 answers
  • What is the possible value of k such that √50 and √k can be written as a single term?
    9·1 answer
  • Zaynab decides to put £3000 in a bank account which pays 5% compound interest per year.
    15·2 answers
  • What is the value of this expression?
    9·1 answer
  • What is the range of a piecewise function g of x, where part 1 is x squared minus 5 for x less than negative 3 and part 2 is 2 t
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!