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
MAVERICK [17]
3 years ago
9

Five times the difference of twice a number and three, decreased by the sum of the number and eight, equals 13

Mathematics
2 answers:
denis23 [38]3 years ago
7 0
5(2x-3)-(x+8)=13
10x-15-x-8=13
9x-23=13
9x=36
x=4
rewona [7]3 years ago
4 0

Answer:

The number is 4.

Step-by-step explanation:

Let the number be = x

Five times the difference of twice a number and three can be written as 5(2x-3)

Decreased by the sum of the number and eight, (x+8)

Hence complete expression becomes:

5(2x-3)-(x +8)=13

Now solving for x;

=> 10x -15- x -8 =13

=> 9x- 23=13

=> 9x= 36

So we get x = 4

The number is 4.

You might be interested in
-3-2(2x-3) simplified
ddd [48]
First Distribute, then subtract and you’ll get -4x+3
6 0
3 years ago
An isosceles triangle has a vertical angle of 108 and a base 20 cm long. Solve for the base angles in calculated altitude.
xeze [42]

Answer:

The base angles are 36° each

Step-by-step explanation:

An isosceles triangle is a triangle that has two of its sides and base angles to be equal.

If an isosceles triangle has a vertical angle of 108°, then the base angles will share the remaining angle in the triangle equally.

Since the sum of angles in a triangle is 180°

The remaining angle in the triangle = 180°-108°

= 72°

Since the base angles are equal, this remaining two angles will share angle 72° equally.

The base angles = 72°/2

The base angles = 36°

This shows that the base angles are 36° each.

8 0
3 years ago
Which formula would you enter into D3, and then AutoFill into D4 to D6, to calculate the winning percentage (Pct.) for the teams
Veseljchak [2.6K]
Answer:
Formula to calculate percentage are=
Winning match/total match *100
And copy paste formula of VLOOKUP in to desire cell formula bar.
Example in spreadsheet :
Winning match=A5
Total match=A6
Write formula in cell D3:
=(A5/A6)*100
And write formula of VLOOKUP into cell D4-D6 to retrieve data from desire cell.
3 0
2 years ago
Solve using any method. −2x+y=−3 x+y=3 ( 5, 2) ( 1, 2) ( 2, 5) ( 2, 1)
nignag [31]

Answer:

Therefore the solution set is (x , y) = ( 2 , 1 )

Step-by-step explanation:

Given:

-2x+y=-3  ...............Equation ( 1 )

x+y=3\\  ...............Equation ( 2 )

\therefore y=3-x     ...............Equation ( 3 )

To Find:

x = ?

y = ?

Solution:

Using Substitution Method we will have

Substitute  above ' y ' Equation 3 in Equation 1 we get

-2x+(3-x)=-3\\-2x-x=-3-3\\-3x=-6\\3x=6\\x=\dfrac{6}{3}=2\\\\x=2

Now Substitute  ' x ' in Equation 3 we get

y=3-2=1\\y=1

Therefore the solution set is (x , y) = ( 2 , 1 )

5 0
3 years ago
Joey is saving up for a down payment on a car. He plans to invest $2,000 at the end of every year for 3 years. If the interest r
____ [38]
A=Annual amount=2000
i=annual interest=0.0205
n=number of years=3
Present value
=A((1+i)^n-1)/(i(1+i)^n)
=2000(1.0205^3-1)/(.0205(1.0205^3))
=5762.15
5 0
3 years ago
Read 2 more answers
Other questions:
  • Two friends mix blue paint and yellow paint to make batches of green paint, as shown in the tables. Jarrod Cups Blue Cups Yellow
    11·2 answers
  • Which of the following is a healthy blood pressure level?
    12·2 answers
  • Write an equation in slope intercept form of the line through point p(8,6) with slope -2
    5·1 answer
  • Y = -8x2 + 665x – 5754
    13·1 answer
  • Please help me with these 6 through 10 :)
    6·1 answer
  • A small town decided to get into the holiday spirit during Halloween. Every person in
    15·1 answer
  • PL help please please help I'm crying
    8·1 answer
  • Pls help!
    12·2 answers
  • Yo someone help me with my last question pls!!
    7·1 answer
  • GHJK is a square with diagonals intersecting at L. Given that GH=2 and GL=square root of , complete the statement
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!