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
hichkok12 [17]
3 years ago
9

Given that 2 x − 2 y = 23 Find x when y = 9

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0

Answer:

20.5

Step-by-step explanation:

2x - 2y = 23

2x - 2(9) = 23

2x -  18 = 23

2x = 23 + 18

2x = 41

x = 20.5

gulaghasi [49]3 years ago
4 0

Answer:

x=41/2=20.5

Step-by-step explanation:

So we have the equation:

2x-2y=23

And we want to find x when y is 9.

So, substitute y for 9 and solve for x:

2x-2(9)=23

Multiply:

2x-18=23

Add 18 to both sides:

2x=41

Divide both sides by 2:

x=41/2=20.5

So, our answer is 20.5

You might be interested in
out of 200 houses in a neighborhood, 30 of them have their own lawn service. what percent of the houses do not have their own la
stira [4]

Answer:

85%

Step-by-step explanation:

If 30 of them have their own lawn service then that means 170 of them do not have their own lawn service.

Seeing as there are 200 houses in total, the fraction of people who don't have lawn service is 170/200. This is equal to 0.85 or 85%.

6 0
3 years ago
Read 2 more answers
What is the mean of the following set?<br><br> 34, 31, 32, 38
larisa [96]

Answer:

33.75.

Step-by-step explanation:

The mean = sum of the numbers / the number count

= (34 + 31 + 32 +  38) / 4

= 135 / 4

= 33.75.

7 0
3 years ago
Find an expression for the nth term -3 , 2 , 7, 12​
slavikrds [6]

Answer:

5n-8

Step-by-step explanation:

Because this is an arithmetic progression, there is simply an addend that is being added to every number. Because that is 5, the expression, for now, would be 5n. However, the progression does not start at 0, so we will have to subtract 3, and then it would be 5n - 3. We're still not at the answer; this is because the first term starts at 1, not 0. We will have to account for that, so subtract the coefficient, or 5, from the whole expression. That would be 5n - 8, and that would be the answer.

4 0
3 years ago
Please help im really confused :(​
pantera1 [17]

Answer:

a) π

b) 33.4

Step-by-step explanation:

C = πd

1) substitute 105 for C: 105 = πd

2) plug in approximate value of 3.14 for π: 105 = (3.14) d

3) isolate to solve for d: 105/3.14 = d

4) simplify: 105/3.14 ≈ 33.4

5 0
3 years ago
A box contains 4 black shirts, 8 blue shirts, 4 black pants, and 10 blue pants. Determine the probability of randomly selecting
Elenna [48]
So there is 26 shirts in total because 4+8+4+10=26 Then you need to take 26-4=22. You do this because there is 26 total clothing and only 4 of them aren't either a blue piece of clothing or pants that means you have 22 pieces of clothing that are blue or pants. So your odds of picking a blue piece of clothing or pants is 22/26. 

Hope this Helps!!
3 0
3 years ago
Other questions:
  • How many different arrangements of 3 letters can be formed if the first letter must be w or k​ (repeats of letters are​ allowed)
    6·1 answer
  • NEED HELP ASAP THE QUESTION IS IN THE PICTURE!!!
    7·1 answer
  • A 2-feet wide manhole cover is designed to cover a manhole opening on the street.
    12·1 answer
  • Please help!!!
    11·2 answers
  • Find all the real square roots of -9/16. A) no real root B) -3/4 C) -3/4 and 3/4 D) 81/256
    9·2 answers
  • Differentiate the equation in the picture.<br><br> S(2)=1
    6·1 answer
  • Mariana tried to drink a slushy as fast as she could. She drank the slushy at a rate of 4.5 milliliters per second. After 17 sec
    15·1 answer
  • Help me please And ty
    11·1 answer
  • Larry's small business has $42,400 in its bank account and makes automatic monthly payments that total
    6·2 answers
  • Value of the digit 3 for 263 is​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!