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sp2606 [1]
3 years ago
15

| 50 Points | Please give explanation | Reporting false answers | Giving correct brainliest

Mathematics
2 answers:
pochemuha3 years ago
4 0

Answer: answer is D

Step-by-step explanation:

because science is more important than life

n200080 [17]3 years ago
3 0
The one in the middle is right one. Because it has the same information as in the graph
You might be interested in
The variables x and y vary directly. Use the values to find the constant of proportionality, k . Then write an equation that rel
Vaselesa [24]

Answer:

k = 9/8

y = 9/8x

Step-by-step explanation:

45/40 = 9/8

To check:

40 * 9/8 = 45

Hope this helps!

7 0
3 years ago
DUE IN 10 MIN PLEASE HELP use the method of completing the square to find the x-intercepts. (Use the Equation Editor to show all
vladimir1956 [14]

Answer:

Step-by-step explanation:

complete the square:

Take a quadratic equation : ax²+bx+c and turn it to

a(x+d)²+e

d=b/2a and e=c-b²/4a

y=x^2 - 14x + 48

a=1 , b=-14 , c=48

d=-14/2=-7

e= 48-14²/4

e= 48-49

e=-1

complete the square  for y=x²-14x+48

y= (x-7)²-1

5 0
4 years ago
Leanne is picking out some movies to rent, and she is primarily interested in children's movies and comedies. She has narrowed d
N76 [4]

Answer:

If she wants at least one comedy, there are 1484 different combinations.

Step-by-step explanation:

The order in which she wants to pick the movies is not important. So, we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

She wants combinations of 3 movies, with at least one comedy. The easiest way to find this is finding the total number of combinations of 3 movies, from the set of 25(18 children's and 7 comedies), and subtract by the total number without comedies(which is 3 from a set of 25). So

Total:

3 from a set of 25.

C_{25,3} = \frac{25!}{3!(25-3)!} = 2300

Without comedies:

3 from a set of 18.

C_{18,3} = \frac{18!}{3!(18-3)!} = 816

At least one comedy:

2300 - 816 = 1484

If she wants at least one comedy, there are 1484 different combinations.

8 0
3 years ago
2x+3y= 14<br>3х - 4 y = 4<br><br>​
goldenfox [79]

The solution to given system of equations are (x, y) = (4, 2)

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

2x + 3y = 14 ---------- eqn 1

3x - 4y = 4 --------- eqn 2

We have to solve the given system of equations

We can solve the above system of equations by elimination method

<em><u>Multiply eqn 1 by 3</u></em>

3(2x + 3y = 14)

6x + 9y = 42 --------- eqn 3

<em><u>Multiply eqn 2 by 2</u></em>

2(3x - 4y = 4)

6x - 8y = 8 ----------- eqn 4

<em><u>Subtract eqn 4 from eqn 3</u></em>

6x + 9y = 42

6x - 8y = 8

( - ) --------------

9y + 8y = 42 - 8

17y = 34

<h3>y = 2</h3>

<em><u>Substitute y = 2 in eqn 1</u></em>

2x + 3(2) = 14

2x + 6 = 14

2x = 14 - 6

2x = 8

<h3>x = 4</h3>

Thus the solution to given system of equations are (x, y) = (4, 2)

5 0
3 years ago
Maria found that about 3/4 of the students in her class take the bus to school. What percent of the students in her class take t
denpristay [2]
75%.   3/4 is equal to 75/100, so 75%

4 0
4 years ago
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