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Sphinxa [80]
2 years ago
7

Rearrange each of the following formula so the pronumeral in the bracket becomes the subject of the equation

Mathematics
2 answers:
Lisa [10]2 years ago
8 0

Answer:

y = 5 - 3x

Step-by-step explanation:

3x + y = 5 ( subtract 3x from both sides )

y = 5 - 3x

irakobra [83]2 years ago
4 0

Answer:

y = 5 - 3x

<u>making y the subject</u>:

  • 3x + y = 5

  • y = 5 - 3x

changing sides, changes positive (+) sign to negative (-)

changing sides, changes negative (-) sign to positive (+)

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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
The parallelogram below is being covered with carpet. The carpet is priced at $2.80 per square meter. How much will it cost to c
cestrela7 [59]

Answer:

It will cost $79.38 to carpet the shape

Explanation:

Find the diagram of the parallelogram attached

Area of a parallelogram = Base * Height

Given

Base = 8.1m

Height = 3.5m

Area of the parallelogram = 8.1*3.5

Area of a parallelogram  = 28.35m²

Since 1m² = $2.80

28.35m² = x

Cross multiply

x = 28.35 * 2.80

Hence it will cost $79.38 to carpet the shape

5 0
3 years ago
what is the volume of a right cylinder which has a base radius of 14 inches and a height of 2 inches?
azamat
The answer is 28 for the volume
7 0
3 years ago
Mr. Thompson received a water bill for $85.98. The bill covered three months of service. He used the same amount of water each m
Darya [45]
The answer is blow me

8 0
3 years ago
Read 2 more answers
What’s the answer? I need to know this so I can finish my homework FAST!!!!
soldi70 [24.7K]

Answer:


Step-by-step explanation:

he has $16.20 because the amount of cans times the amount of monney per pound equils the answer which means he can buy 2 batterys.

4 0
3 years ago
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