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Papessa [141]
3 years ago
5

In order to join an online learning community, there is a $20 startup fee and a $5 monthly fee. Write an equation in slope-inter

cept form that models this situation.
Mathematics
1 answer:
Andreas93 [3]3 years ago
8 0
Y=5x+20 hope this helps
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Answer pleaseee!!! There is a screen shot attached!
anastassius [24]

Answer:

7/33 = 21 repeating and I'm pretty sure the question wants you to write it as an improper fraction. so your answer would be 40/33

Step-by-step explanation:

5 0
3 years ago
5x=3x+20 can you answer this and show how you got the answer
charle [14.2K]
5x=3x+20
5x-3x=3x-3x+20
2x=20
2x/2=20/2
X=10   Hope this helped!

-Twix
8 0
3 years ago
Read 2 more answers
Two sides of a triangle measure 17 inches and 20 inches. Which CANNOT be the length of the remainig side?
yaroslaw [1]
<h3>Answer:  37</h3>

========================================================

Work Shown:

We have a triangle with sides a,b,c such that

  • a = 17
  • b = 20
  • c = unknown

The third side c can be represented by this inequality

b-a < c < b+a

which is a modified form of the triangle inequality theorem.

Plug in the given values to get

b-a < c < b+a

20-17 < c < 20+17

3 < c < 37

The third side length is between 3 and 37; it cannot equal 3, and it cannot equal 37. So we exclude both endpoints.

Of the answer choices, the values {7,20, 12} are in the range 3 < c < 37.

The value c = 37 is not in the range 3 < c < 37 because we can't have the third side equal to either endpoint. Otherwise, we get a straight line instead of a triangle forming.

So that's why 37 is the only possible answer here.

3 0
3 years ago
Si yo tengo una canasta llena de mangos y piñas, de las cuales hay 30
skelet666 [1.2K]

Respuesta: Es más probable sacar un mango.

Explicación:

La probabilidad se refiere a la posibilidad de que un evento occura y no otro. En el caso que se describe, la probabilidad de sacar cada fruta puede ser calculada dividiendo el total de cada fruta en el número de frutas totales:

Probabilidad de sacar un mango:

\frac{cantidad de mangos}{cantidad de frutas en la canasta} =  \frac{30}{50}  =0.6

Probabilidad de sacar una piña:

\frac{cantidad de pinas}{cantidad de frutas en la canasta} = \frac{20}{50} = 0.4

De acuerdo a lo anterior la probabilidad de sacar un mango es de 0.6 o de 60% (multiplica la probabilidad por 100 para saber su equivalente en porcentaje), mientras que la probabilidad de sacar un mango es de 0.4 o 40% lo cual es mucho más bajo. Es decir que es más probable sacar un mango.

7 0
3 years ago
A random sample of computer startup times has a sample mean of x¯=37.2 seconds, with a sample standard deviation of s=6.2 second
juin [17]

Answer:

95% of the data lies between 24.8 and 49.6

Step-by-step explanation:

* Lets revise the empirical rule

- The Empirical Rule states that almost all data lies within 3

  standard deviations of the mean for a normal distribution.  

- 68% of the data falls within one standard deviation.  

- 95% of the data lies within two standard deviations.  

- 99.7% of the data lies Within three standard deviations  

- The empirical rule shows that

# 68% falls within the first standard deviation (µ ± σ)

# 95% within the first two standard deviations (µ ± 2σ)

# 99.7% within the first three standard deviations (µ ± 3σ).

* Lets solve the problem

- A random sample of computer startup times has a sample mean of

   μ = 37.2 seconds

∴ μ = 37.2

- With a sample standard deviation of σ = 6.2 seconds

∴ σ = 6.2

- We need to find between what two times are approximately 95%

  of the data

∵ 95% of the data lies within two standard deviations

∵ Two standard deviations (µ ± 2σ) are:

∵ (37.2 - 2 × 6.2) = 24.8

∵ (37.2 + 2 × 6.2) = 49.6

∴ 95% of the data lies between 24.8 and 49.6

* <em>95% of the data lies between 24.8 and 49.6</em>

3 0
3 years ago
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