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
Basile [38]
3 years ago
11

If 21 is added to a number the result is 40 less than twice the number what is the number?

Mathematics
1 answer:
Karolina [17]3 years ago
7 0
If 21 is added to (+ 21) a number (x) the result (=) is 40 less than (- 40) twice the number (2x)

x + 21 = 2x - 40   Add 40 to both sides
x + 61 = 2x           Subtract x from both sides
      61 = x             Switch the sides to make it easier to read
       x = 61


You might be interested in
47/100+3/10+47/100=/100
ira [324]

Answer:

The total is 97/100

Step-by-step explanation:

47/100+3/100=50/100 (aka 1/2)

50/100+47/100=97/100

5 0
2 years ago
Write an equation of the line that passes through (1,-2) and (-5,4)
denis23 [38]

Answer: x+y+1=0

Step-by-step explanation:

m=y2-y1/x2-x1

 = 4-(-2) /-5-1

 =6/-6

 =-1

equation of line

y-y1=m(x-x1)

y-(-2) =-1(x-1)

y+2=-x+1

x-1+y+2=0

x+y+11=0

7 0
2 years ago
What is the solution to w-11=1.3
trapecia [35]
<span>Simplifying w + -11 = 1.3
 
Reorder the terms: -11 + w = 1.3
 
Solving -11 + w = 1.3
 
Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + w = 1.3 + 11
 
Combine like terms: -11 + 11 = 0 0 + w = 1.3 + 11 w = 1.3 + 11
 
Combine like terms: 1.3 + 11 = 12.3 w = 12.3
 
Simplifying w = 12.3 <--- (Answer)

Happy studying ^-^</span>
7 0
3 years ago
Read 2 more answers
Can someone help lol
djverab [1.8K]

Answer:

p=30 q=150

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A small business owner has created a linear regression model to predict the number of new customers who will visit a shop based
coldgirl [10]

Answer: Explanatory variable = " number of times the owner has an advertisement played on the radio"

Response variable = "number of new customers who will visit a shop"

Step-by-step explanation:

  • An explanatory variable is a kind of independent variable that can be manipulated by researcher in a study to check the response of the response variable.

In the given situation , the business owner is predicting the number of new customers who will visit a shop based on the number of times the owner has an advertisement played on the radio.

Here , He is controlling the advertisement played on the radio to see the response of customers.

Therefore ,

Explanatory variable = " number of times the owner has an advertisement played on the radio"

Response variable = "number of new customers who will visit a shop"

4 0
3 years ago
Other questions:
  • Can someone please help me with question? Thanks if you do!
    9·1 answer
  • Multiply.<br> (w)2<br> Please help fast
    6·1 answer
  • Ray has 4 boxes with 5 pens in each ox. Kevin has 5 boxes with 4 pens in each. Who has more pens?
    15·2 answers
  • Solve the following congruence equations for X a) 8x = 1(mod 13) b) 8x = 4(mod 13) c) 99x = 5(mod 13)
    15·2 answers
  • Use the given confidence interval limits to find the point estimate and the margin of error E.
    8·1 answer
  • The value of the digit 5 in 4 356869 is​
    7·2 answers
  • Which equation is represented by the graph?
    11·1 answer
  • Find the distance between the points<br><br> (5,-1) and (5,-7)
    6·1 answer
  • Evaluate the function at the specified value and simplify when possible.​
    12·1 answer
  • Find the exact value by using a half angle identity.tan 75°
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!