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
4 years ago
12

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

Mathematics
1 answer:
vivado [14]4 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
Increase £15837.77 by 8.5%
Maksim231197 [3]

Answer:

32,100 Millimeters

3,210 Centimeters

3.21 Decameters

Hope It Helps

Step-by-step explanation:

6 0
3 years ago
Using Accuracy and Precision
Fudgin [204]

Answer:

a little bit confusing

5 0
4 years ago
Please answer this correctly I have to finish this today as this is my deadline
Musya8 [376]

Answer:

r = 1.499619733762 m  There is no such thing a quarter radius!

C = 9.4223886775301 m

A = 7.065 m^2

Step-by-step explanation:

Calculate r and C | Given A

Given the area of a circle calculate the radius and circumference

r = √(A / π)

C = 2πr

Agenda:

r = radius

C = circumference

A = area

π = pi = 3.1415926535898

√ = square root

8 0
3 years ago
A home alarm system randomly assigns a five-character code for each customer. The code will not repeat a character. The characte
ahrayia [7]

Answer:

The total number of codes which can be assigned is, 55440 .

Step-by-step explanation:

According to the question, the home alarm system randomly assigns a five-character code for each customer.The code will not repeat a character and there are 11 distinct characters.

So, the total number of codes that can be randomly assigned is given by,

^{11}{P}_{5}

= \frac {11!}{6!}

= 11 \times 10 \times 9 \times 8 \times 7

= 55440

5 0
3 years ago
What is the domain of the square root function graphed below
Lina20 [59]

Answer:

Dominio de una Raíz cuadrada

Cuando tenemos una raíz, para estudiar su existencia debemos saber que una raíz existe si y solo sí el radicando (lo que está dentro de la raíz) sea mayor o igual a cero.

Por lo tanto deberemos estudiar el signo de lo que se encuentra dentro de la raíz; y determinar las zonas positivas y las raíces que son las zona de existencia de la función raíz o dominio de esta función.

Step-by-step explanation:

qsy

5 0
3 years ago
Other questions:
  • At the track meet, Justin won the 100 meter race in 12.61 seconds. Shawn won the 200-meter race in 26.38 seconds. Which runner r
    8·1 answer
  • if frans fudge recipe calls for 2 1/2 cups of sugar and she increases it by 2/5 of a cup, how much sugar does she use
    11·1 answer
  • What is y=x^2+74, translated 2 units up and 5 units left
    5·2 answers
  • What is a outlier for mathematics
    14·2 answers
  • H(x) = x2 – 3
    10·1 answer
  • A recipe for Potato Soup is listed below:
    15·1 answer
  • Find the slope of 9x + 7y= 4
    9·1 answer
  • A 29-foot rope is cut into two pieces. The longer piece is 2 feet longer than twice the shorter piece. How long is each piece?
    8·1 answer
  • Somebody please help me
    12·1 answer
  • A student completes 2/5 of a science project in 3/4 hour. At this rate, what fraction of the project can the student complete pe
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!