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
motikmotik
3 years ago
12

Two-thirds of a number added to itself is 20. What is the number?

Mathematics
1 answer:
vivado [14]3 years ago
8 0

Answer:

12

Step-by-step explanation:

2/3 x + x = 20

2/3 x + 3/3x = 20

5/3 x = 20   ... times 3/5 both sides

x = 12

check: 2/3 x 12 + 12 = 8 + 12 = 20

You might be interested in
A train travels at a constant rate of 45 miles per hour.
givi [52]
A. d=45t
b. 112.5 miles. 112.5=45•2.5
6 0
3 years ago
Read 2 more answers
7. In 2015 a club has 250 members who each
Evgen [1.6K]

2015:

250 members

$95 annual subscription

2016

250 members + 4%

$95 annual subscription + 6%

Work:

250 x 1.04 = 260

95 x 1.06 =  100.7

260 x 100.7 = 26,182

Thus, the club makes $26,182 from 260 members who pay a subscription of $100.7

3 0
3 years ago
How can I factor this Trinomial? Please show me how!<br><br> 3x² - 8x + 4
Inga [223]

Step-by-step explanation:

3x² - 8x + 4 =

3x² - 6x -2x + 4 =

3x(x-2) -2(x-2) =

(3x -2)(x-2)

7 0
3 years ago
Read 2 more answers
F(x) = 2x2 - 5<br> and<br> g(x) = 5x + 7<br> Find<br> f(g(x)) = [ ? ]x2 + [ ]x +
lbvjy [14]

Answer:10x^2 -18

Step-by-step explanation:since f(x) is becoming the new x then youd subtitute the equation into the x of the g(x) equation. which would be 5(2x^2 -5) +7 which is 10x^2 -25 +7.and you'd simplify from there.

8 0
3 years ago
A bicyclist travels at a constant speed of 18 mi/h. How long does it take the bicyclist to travel 90 miles?
11111nata11111 [884]

The bicyclist travels 90 miles in 5 hours

90÷18=5

5 0
3 years ago
Other questions:
  • Show AND justify each step of the solution. You will not receive credit unless you justify the step.
    10·1 answer
  • Name the property of equality that justifies the statement: rs = rs
    5·2 answers
  • Which decimal is equivalent to 8/11 ?<br> A. 0.72<br> B. 0.72<br> C. 0.88<br> D. 0.88
    13·2 answers
  • If 3 times a square of an integer is added to 1 times the integer, the result is 2
    11·1 answer
  • What is the sum of the angle measures of a 29-gon? <br> Help pleaseeeeeee!!!!!!! ...?
    13·1 answer
  • Can someone please!!!!! answer this<br> What is the sequence of this <br> Is adding or multiplying
    14·1 answer
  • Write a program that will solve a quadratic equation: ax2 + bx + c = 0. The program must ask the user to enter the values for a,
    8·1 answer
  • The high school choirs participating in a fundraising sales contest. The choir will receive a bonus if they make 20 sales in the
    13·1 answer
  • Arrange the hyperbolas in increasing order of the horizontal widths of their asymptote rectangles.
    9·1 answer
  • Learning task 4: identify what kind of decimal number are the following choose the letter of the correct answer.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!