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gavmur [86]
2 years ago
7

Please I need help !!! find the value of 5 if 5=1/4 (a+5) when a= -4​

Mathematics
2 answers:
Ray Of Light [21]2 years ago
7 0
The value is of this equation is -3.75
Nadya [2.5K]2 years ago
4 0

Hey there!

5 = 1/4(a + 5)

1/4(a + 5) = 5


1/4(-4 + 5) = 5

1/4(-4) + 1/4(5) = 5


1/4(-4) + 1/4(5)
= -1 + 5/4

= -1/1 + 5/4

= 1/4


1/4 ≠ 5
0.25 ≠ 5


Thus, your answer should most likely be: [FALSE] because the numbers are NOT equivalent to each other.

“a” should equal to “15”

Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

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We choose a number from the set 1, 2, 3,..., 100 uniformly at random and denote this number by X. For each of the following choi
kiruha [24]

Answer:

(a) A and B are dependent.

(b) C and D are dependent.

(c) E and F are dependent.

Step-by-step explanation:

Two sets are said to be independent if the intersection of the two set is empty. That is the sets are disjoint.

Let's examine the situations to determine if they are independent or not.

(a) A = {2, 4, 6, . . . , 10, . . . , 20, . . .} and B = {5, 10, 15, . . . , 20, . . .}. Since A n B = {10, 20, . . .}, then the sets are dependent

(b) C = {10, 11, 12, . . . , 31, . . . , 62, . . . , 93, . . .} and D = {31, 62, 93}. Since C n D = {31, 62, 93}, then the sets are dependent.

(c) E = {5, 7, 11, . . .} and F = {5, 15, . . .}. Since E n F = {5}, then the set are dependent.

Thus

(a) A and B are dependent.

(b) C and D are dependent.

(c) E and F are dependent.

5 0
3 years ago
g a local tv network estimates that the avergae number of viewers during primetime on weekdays is normalling distributed with a
Elden [556K]

Answer:

0.0014 is the required probability.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 180000 per day

\mu = 180000*5 = 900000\text{ per week}

Standard Deviation, σ = 15000 per day

\sigma = 15000\times \sqrt{5} = 33541.02\text{ per week}

We are given that the distribution of number of viewers is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(number of viewers is more than 1000000 in a week)

P( x > 1000000) \\\\= P( z > \displaystyle\frac{1000000 - 900000}{33541.02}) = P(z >2.9814)

= 1 - P(z \leq 2.9814)

Calculation the value from standard normal z table, we have,  

P(x > 610) = 1 - 0.9986 =0.0014

0.0014 is the probability that the number of viewers is more than 1000000 in a week.

5 0
3 years ago
Two inches equal approximately how many centimeters?
viktelen [127]
5.08 centimeters. Hope that helps 

5 0
3 years ago
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A city that has an elevation of 15 meters is closer to sea level than a city that has an elevation of -10 meters. Agree or Disag
amm1812

Answer:

disagree

Step-by-step explanation: if a city that has an elevation of 15 meters is closer to sea level than a city that has an elevation of -10 meters. -10 meters is still 5 meters closer than 15 meter

8 0
2 years ago
Amy is 3 years older than her brother. Together, their ages are 14. Amy wrote the equation x+(x+3)=14 to represent the sum of th
BlackZzzverrR [31]

She is 3 years older than her brother and has (x+3) in the equation means that x is being used as her brothers age. (She is adding 3 to her brothers age)

The answer is Amy's brother's age.

9 0
3 years ago
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