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Lady bird [3.3K]
3 years ago
15

Calculate the value of b + 12.5=12

Mathematics
2 answers:
Bingel [31]3 years ago
7 0

Answer:

Move all terms not containing  b  to the right side of the equation.

b = − 0.5

Step-by-step explanation:

KATRIN_1 [288]3 years ago
3 0

Answer:

\large\boxed{b = -0.5}

Step-by-step explanation:

Hope this helps, have a great day

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2. In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviati
Kobotan [32]

Answer: $85,000

Step-by-step explanation:

Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.

\mu_M=40,000\ \ ;\sigma_M=12,000

Female earnings have a mean of $45,000 per year and a standard deviation of $18,000.

\mu_F=45,000\ \ ;\sigma_F=18,000

If  C denote the combined earnings for a randomly selected couple.

Then, the mean of C will be :-

\mu_c=\mu_M+\mu_F\\\\=40,000+45,000=85,000

Hence, the mean of C = $85,000

8 0
3 years ago
I just want to have fun​
jeka57 [31]

Answer:

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2 years ago
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The answer I’m soo confused
8090 [49]

F is the correct answer

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3 years ago
Triangle ABC is transformed to form triangle XYZ. If AC = BC and the perimeter of triangle ABC is 37 inches. What are the length
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Answer: xy=11 in.; yz= 13 in.; xz=13in.

Step-by-step explanation:

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8 0
2 years ago
Clara found the product of 3 – 6y2 and y2 + 2. Her work is shown below. (3 – 6y2)(y2 + 2) = 3(y2) + (–6y2)(2)    = 3y2 – 12y2  
Marizza181 [45]
<span>No, she did not use the distributive property correctly.</span>
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