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Marina CMI [18]
3 years ago
12

Given 4x+ 5y = z, solve for y

Mathematics
1 answer:
kiruha [24]3 years ago
6 0

Step-by-step explanation:

y cannot be determined from the information given

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The housing market has recovered slowly from the economic crisis of 2008.​ Recently, in one large​ community, realtors randomly
Gwar [14]

Answer:

Step-by-step explanation:

Given that the housing market has recovered slowly from the economic crisis of 2008.​ Recently, in one large​ community, realtors randomly sampled 38 bids from potential buyers to estimate the average loss in home value.

s = sample std deviation = 3000

Sample mean = 9379

Sample size n = 38

df = 37

Std error of sample mean = \frac{s}{\sqrt{n} } \\=486.66

confidence interval 95% = Mean ± t critical * std error

=Mean ±1.687*486.66 = Mean ±821.003

=(8557.997, 10200.003)

a) If std deviation changes to 9000 instead of 3000, margin of error becomes 3 times

Hence 2463.008

b) The more the std deviation the more the width of confidence interval.

3 0
3 years ago
Find the value of x in the isosceles trapezoid below?
galina1969 [7]

Answer:

x = 31

Step-by-step explanation:

The sides of an isosceles trapezoid are the same length, so ...

5x -32 = 2x +61

3x = 93 . . . . . . . . add 32-2x

x = 31 . . . . . . . . . . divide by 3

6 0
3 years ago
For much of U.S. history, military spending has increased over time. However, during the 1990s, military spending decreased.
Anna11 [10]

Answer: The first statement is true: The U.S. government spent $13 million less every year on military operations.

4 0
3 years ago
Find the measures of the missing angles.
fomenos
Angle A = 67^0
<span>Angle B = 53^0
</span>
I don't know where D and C are
4 0
3 years ago
HELP ASAP PLEASE!!! Explain how you will benefit most from improving your math skills.
RideAnS [48]

Answer:

Some of the most lucrative jobs are all about math. Most engineering fields are all about sharp math skills, whether it’s civil and mechanical or software engineering. Working in finance also obviously involves a lot of math, and what better way to make money than working in the field that’s all about money? You can also become a statistician or actuary; it’s not easy to find good statisticians, despite the need for them. If you want to earn good money, then you do need good math skills.Then again, you could use math in life anyway.

Step-by-step explanation:

7 0
3 years ago
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