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2 years ago

2(4z−1)=3(z+2). . Please explane work.

Mathematics

2 answers:

GalinKa [24]2 years ago

7 0

Answer:

The answer is z= 8/5, I attached a picture explaining! Lmk if u have any questions about it :)

Step-by-step explanation:

olchik [2.2K]2 years ago

6 0

Answer:

8/5

Step-by-step explanation:

because i was making fun of him so this would just be funny XD

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Please help know it’s homework

Anna35 [415]

Answer:

The answer would be B

Step-by-step explanation:

Since you are starting out, you can make that a one, so then subtract that one by how much candy you ate (1/8 and 1/4)

7 0

3 years ago

Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce

Alla [95]

Answer:

The percentage is $P(350 < X 650 ) = 86.6\%$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 500$

The standard deviation is $\sigma = 100$

The percent of people who write this exam obtain scores between 350 and 650

$P(350 < X 650 ) = P(\frac{ 350 - 500}{ 100}$

Generally

$\frac{X - \mu }{\sigma } = Z (The \ standardized \ value \ of \ X )$

$P(350 < X 650 ) = P(\frac{ 350 - 500}{ 100}$

$P(350 < X 650 ) = P(-1.5$

$P(350 < X 650 ) = P(Z < 1.5) - P(Z < -1.5)$

From the z-table $P(Z < -1.5 ) = 0.066807$

and $P(Z < 1.5 ) = 0.93319$

=> $P(350 < X 650 ) = 0.93319 - 0.066807$

=> $P(350 < X 650 ) = 0.866$

Therefore the percentage is $P(350 < X 650 ) = 86.6\%$

3 0

3 years ago

3 (x - 3) + x (r + 4)

docker41 [41]

Answer:

Step-by-step explanation:

3(x-3)+x(r+4)

3x-9+xr+4x

7x+9+xr

7 0

2 years ago

Classify: 2 7/9 A. real number B. whole number C. irrational number D. integer

GarryVolchara [31]

Its not B or C

I thinks its A

8 0

2 years ago

Read 2 more answers

What is the measure of Z Z?<br>70°<br>110°<br>105°<br>35°

Jobisdone [24]

Answer:

z = 110

Step-by-step explanation:

z + 35 + 35 = 180

z+70=180

z = 110

8 0

2 years ago

Read 2 more answers