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
Maslowich
2 years ago
6

Find |x| when x = 15 and x = – 15.

Mathematics
2 answers:
777dan777 [17]2 years ago
6 0

Answer:15

Step-by-step explanation:trust me

antoniya [11.8K]2 years ago
4 0

Answer:

The absolute of x would be 15

You might be interested in
Dado dos ángulos complementarios, uno mide (2x + 10) y el otro (x + 20),
rusak2 [61]

Answer:

El valor de <em>x</em> es igual a 20 o <em>x</em> = 20.

Step-by-step explanation:

Lo primero que se debe saber es que <em>dos ángulos complementarios suman un ángulo recto o 90º</em>.

Supongamos que el valor de un ángulo \\ \alpha y un ángulo \\ \beta valen:

\\ \alpha = 2x + 10 [1]

\\ \beta = x + 20 [2]

Como la suma de  \\ \alpha + \beta = 90 [3]

Entonces

\\ \alpha + \beta = (2x + 10) + (x + 20) = 90

Sumamos los factores comunes entre si:

\\ (2x + x) + (10 + 20) = 90

Para la primera expresión debemos recordar que se suman sólo los coeficientes. Así:

\\ (2 + 1)x + (10 + 20) = 90

\\ 3x + 30 = 90

Para despejar la incógnita <em>x</em>, debemos tener en cuenta que <em>una igualdad no se altera si se suma, se resta, se multiplica o divide un mismo valor a cada lado de ella</em>. Por esta razón, para despejar 3x, lo primero que podemos hacer es sumar -30 a cada lado de la expresión (lo que es igual a restar 30 a cada lado de la misma). Así tenemos:

\\ 3x + 30 - 30 = 90 - 30

\\ 3x + 0 = 90 - 30

\\ 3x = 60

Ahora dividimos cada miembro de la igualdad entre 3 (o multiplicamos cada lado de la igualdad por \\ \frac{1}{3} ):

\\ \frac{3}{3}x = \frac{60}{3}

Como sabemos que:

\\ \frac{3}{3} = 1

Entonces:

\\ 1*x = \frac{60}{3}

\\ x = \frac{60}{3}

\\ x = 20

De esta manera, el valor de <em>x</em> es igual a 20 o x = 20.

Lo anterior lo podemos comprobar considerando las ecuaciones [1], [2] y [3]. Así tenemos que:

\\ \alpha = 2x + 10 [1]

Sustituimos x por el valor de 20:

\\ \alpha = 2*20 + 10 = 40 + 10 = 50

\\ \beta = x + 20 [2]

Hacemos lo mismo para [2]:

\\ \beta = 20 + 20

\\ \beta = 40

De esta manera:

\\ \alpha + \beta = 90 [3]

\\ 50 + 40 = 90

4 0
3 years ago
Which is equivalent to 216 1/3?<br><br> A.3<br> B.6<br> C.36<br> D.72
nydimaria [60]
The 1/3 power is another way to write the cube root.
  ∛216 = 6
3 0
3 years ago
Antonio used 1613 cups of flour to make banana bread. The recipe for one loaf of banana bread calls for 213 cups of flour. What
musickatia [10]
1613 divided by 213

Answer: 8 loaves (if rounded)
8 0
3 years ago
Write 863.141 in expanded form
Mashutka [201]
Eight hundred sixty three and 1 hundred 41 thousandths
6 0
2 years ago
Read 2 more answers
3 times a number x, subtracted from 18 is less than -90
Shalnov [3]

Answer:

x > -24

Step-by-step explanation:

18 - 3x < 90

Subtract 18 from both sides.

-3x < 72

Divide both sides by -3. (When diving by a negative, flip the sign.)

x > -24

5 0
3 years ago
Other questions:
  • Kim's softball team was playing in the championship game. When there were 444 innings left, the team was losing by a score of 17
    7·1 answer
  • Зcx + cx = 7 <br> solve for x if c represents a consonant
    11·1 answer
  • Dollar General sold garden hoses at a reduced price of $7.64 and took an end-of-season markdown of $12.35. What was the original
    10·1 answer
  • PLEASE HELP! WILL MARK BRAINLIEST!! ASAP!!!
    12·2 answers
  • HELP ASAP <br><br> DONT UNDERSTAND AT ALL LOL
    11·1 answer
  • Write.82 as a percent and a fraction.​
    9·1 answer
  • Please help me! yah thats all i just need help
    11·1 answer
  • I need help with math ​
    10·1 answer
  • 18. The Tennis for Champs company is looking into new ways to package tennis balls. The packaging engineer at the company is exp
    8·1 answer
  • Avery had $25.75 in her wallet. If she bought lunch with 87 dollars from her wallet, how much money did she have in her wallet
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!