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
bija089 [108]
2 years ago
13

Somebody pls help I’m doin a exam!!!!

Mathematics
1 answer:
ra1l [238]2 years ago
5 0

Answer:

Step-by-step explanation:

12x+2y=36

2y=36-12x

5x+36-12x=22

7x=14

x=2

2y=36-12(2)

2y=12

y=6

btw,next time, please do not include words like(failing ,exam,test,etc) in your question,otherwise, the question might be deleted.

You might be interested in
A glacier in Alaska moves about 29.99 a day about how much further will a move in a thousand days and it will move in a hundred
Lelu [443]
Try this:  (29.99 units/day)(1000 days) = 29990 units.

Could you possibly include the given units of measurement in this post?

5 0
3 years ago
What have I done wrong and where please help me
lys-0071 [83]
12x - 18 - 4x -2
12x - 4x = 8x (yours 12x - 4x = 8)
-18 - 2 = -20 (yours -18 -1 = 17)

answer:

8x - 20
6 0
3 years ago
A wooden rod of 5 m 75 cm was cut into 5 equal pieces. What is the length of each piece.
hram777 [196]

We have: 5m 75cm = 5.75 m

So the length of each piece is : l = \frac{5.75}{5} =1.15

ok done. Thank to me :>

6 0
2 years ago
I need assistance solving these questions using Cramers' Rule (which I am frankly terrible at) and need these to finish my homew
Scrat [10]

Answer:

What are the questions?

3 0
3 years ago
Read 2 more answers
The numbers​ 1, 2,​ 3, 4, and 5 are written on slips of​ paper, and 2 slips are drawn at random one at a time without replacemen
mamaluj [8]
<h2>Answer:</h2>

(a)

The probability is :  1/2

(b)

The probability is :  1/2

<h2>Step-by-step explanation:</h2>

The numbers​ 1, 2,​ 3, 4, and 5 are written on slips of​ paper, and 2 slips are drawn at random one at a time without replacement.

The total combinations that are possible are:

(1,2)   (1,3)    (1,4)    (1,5)

(2,1)   (2,3)   (2,4)   (2,5)

(3,1)   (3,2)   (3,4)   (3,5)

(4,1)   (4,2)   (4,3)   (4,5)

(5,1)   (5,2)   (5,3)   (5,4)

i.e. the total outcomes are : 20

(a)

Let A denote the event that the first number is 4.

and B denote the event that the sum is: 9.

Let P denote the probability of an event.

We are asked to find:

               P(A|B)

We know that it could be calculated by using the formula:

P(A|B)=\dfrac{P(A\bigcap B)}{P(B)}

Hence, based on the data we have:

P(A\bigcap B)=\dfrac{1}{20}

( Since, out of a total of 20 outcomes there is just one outcome which comes in A∩B and it is:  (4,5) )

and

P(B)=\dfrac{2}{20}

( since, there are just two outcomes such that the sum is: 9

(4,5) and (5,4) )

Hence, we have:

P(A|B)=\dfrac{\dfrac{1}{20}}{\dfrac{2}{20}}\\\\i.e.\\\\P(A|B)=\dfrac{1}{2}

(b)

Let A denote the event that the first number is 3.

and B denote the event that the sum is: 8.

Let P denote the probability of an event.

We are asked to find:

               P(A|B)

Hence, based on the data we have:

P(A\bigcap B)=\dfrac{1}{20}

( since, the only outcome out of 20 outcomes is:  (3,5) )

and

P(B)=\dfrac{2}{20}

( since, there are just two outcomes such that the sum is: 8

(3,5) and (5,3) )

Hence, we have:

P(A|B)=\dfrac{\dfrac{1}{20}}{\dfrac{2}{20}}\\\\i.e.\\\\P(A|B)=\dfrac{1}{2}

7 0
3 years ago
Other questions:
  • Barbara made a bad investment. Rather than earning interest, her money is decreasing in value by 11% each week! After just one w
    6·1 answer
  • What is 4.6 turned into a fraction??????
    11·2 answers
  • Graph a right triangle with the two points 4,5 and -4,8​
    9·1 answer
  • What is the difference between(5+x) and (2x+3)
    5·1 answer
  • The mean number of people per day visiting an art show in July was 110. If
    10·1 answer
  • The floor of a square bedroom has an area of 169 square feet. The length of each side of the bedroom floor is__________feet.
    11·1 answer
  • Please help asap, answer the following questions about the centroid of the triangle:
    6·1 answer
  • I need help SHOW YOUR WORK
    13·2 answers
  • I WILL MARK BRAILIEST :) Points​ E, D, and H are the midpoints of the sides of TUV.
    7·1 answer
  • Help me with this question please!!ASAP
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!