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
damaskus [11]
3 years ago
12

80 decreased by 3 times a number is the same as 5 times the number increased by 8 find the number.

Mathematics
1 answer:
faltersainse [42]3 years ago
4 0

Answer:

The number is 5.

Step-by-step explanation:

Let the number be $ x $.

Given $ 80 $ is decreased $ 3 $ times $ x $.

$ \implies 80 - 3x $

$ 5 $ times the number increased by $ 8 $.

$ 5(x + 8) $

This means:

$ 8 - 3x = 5(x + 8) $

$ \implies 8x = 40 $

$ \implies x = 5 $

You might be interested in
If AB = 12 and CB = 10, then the height of the triangle is:
Ierofanga [76]
AD = DB = AB/2 = 6
cd = \sqrt{{bc}^{2} - {db}^{2} } \\ cd = \sqrt{64} \\ cd = 8
3 0
3 years ago
Use the relationship between the
motikmotik

The equation x° = 180° - (37°+ 53°) can be used to find the value of x.

Step-by-step explanation:

Step 1; There are three lines in the given diagram. There are a baseline and two other lines. Out of the other two lines, one extends above and below the baseline whereas the other extends only above. Since the baseline is horizontal and the others are at angles we have the sum of all the three angles as 180° i.e. 37°, x°, and 53°.

37° + x° + 53° = 180°.

Step 2; To solve the value of x, we keep the unknown value at the left-hand side whereas all the known values are taken to the right side of the equation.

x° = 180° - (37°+ 53°).

So the fifth option can be used to determine the value of x.

4 0
3 years ago
A flower bed has the shape of a rectangle 9 yards long and 3 yards wide. What is its area in square feet?
Zanzabum

Answer:

243 ft2

Step-by-step explanation:

9*3= 27

3*3= 9

27*9=243 ft2

8 0
3 years ago
I need some help graphing this
Romashka [77]

Answer:

1.512445e+216

Step-by-step explanation:

3 0
3 years ago
What is the solution to the equation?
dem82 [27]

Answer:what equation

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • A factory that manufactures basketballs spends $3 on each basketball that it produces.
    9·1 answer
  • The amount of money that gabriel made by working for h hours at his part-time job this week is represented by the expression 11.
    9·2 answers
  • A child throws a ball up in the air to a height of 3.5 m and catches it at the same point from which he threw it. The ball is in
    7·1 answer
  • What is the first multiple of 30 that is divisible by 4?
    12·2 answers
  • How many feet are in 375 cm?
    8·1 answer
  • The area of a triangle garden can
    6·1 answer
  • Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the inter
    7·1 answer
  • I need help bad plz.
    15·2 answers
  • In the given figure, AB ∥ CD. If the complement of ∠5 equals the supplement of ∠4, find the measures of ∠4 and ∠5.​
    6·1 answer
  • Christine went on a passenger train that traveled 80 miles in one hour. How many miles will it travel in six hours?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!