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Alexus [3.1K]
3 years ago
7

I need help with a problem ... 1. 5x +12x I need it in combine like terms

Mathematics
1 answer:
Strike441 [17]3 years ago
7 0
Both numbers have the variable x so you add 5 and 12 which gives you 17 and you need to write the variable. The answer is 17x
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Si elegimos un día de la semana al azar, ¿qué probabilidad hay de que sea fin de semana (ya sabemos que hay dos días…)?
irga5000 [103]

Answer:

La probabilidad que hay de que sea fin de semana es \frac{2}{7}

Step-by-step explanation:

La Probabilidad es la mayor o menor posibilidad de que ocurra un determinado suceso. En otras palabras, la probabilidad establece una relación entre el número de sucesos favorables y el número total de sucesos posibles. Entonces, la probabilidad de un suceso cualquiera A se define como el cociente entre el número de casos favorables (número de casos en los que puede ocurrir o no el suceso A) y el número total de casos posibles. Esta se denomina Ley de Laplace.

P(A)=\frac{numero de casos favorables}{numero de casos posibles}

En este caso:

  • número de casos favorables: 2 (cantidad de días del fin de semana)
  • número de casos posibles: 7 (cantidad de días totales en la semana)

Reemplazando:

P(A)= \frac{2}{7}

<u><em>La probabilidad que hay de que sea fin de semana es </em></u>\frac{2}{7}<u><em></em></u>

3 0
3 years ago
Estimate the value of 196 divided by 0.499
tester [92]
The exact answer would be <span>392.78

An estimated value could be either 390 or 393</span>
4 0
3 years ago
Read 2 more answers
On your first draw, what is the probability of drawing a red card, without looking, from a shuffled deck containing 6 red cards,
Elis [28]
First divide 6/(6+6+8) =0.3
Then multiple it by 100 to get the probability percentage 30%
5 0
2 years ago
21 and 22 are complementary angles. The measure of Z1 is 45 The measure of Z2 is 3x°. Find the value of x. The figure is not dra
Alex

9514 1404 393

Answer:

  x = 15

Step-by-step explanation:

<u>Given</u>:

  ∠1 + ∠2 = 90°

  ∠1 = 45°

  ∠2 = 3x°

<u>Find</u>:

  x

<u>Solution</u>:

  Using the given values in the given equation, we have ...

  45° +3x° = 90°

  15 + x = 30 . . . . . . divide by 3°

  x = 15 . . . . . . . . . . . subtract 15

6 0
2 years ago
Seni has a goal to save $500. So far he has saved $340.50 . How much more does he need to save to reach his goal?
iragen [17]

Answer: She need 159.50 more dollars to get to her goal

Step-by-step explanation:

500 − 340.5 =159.50

7 0
3 years ago
Read 2 more answers
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