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2 years ago

If P is parentheses and M is Multiplication and S is subtraction, what is EDA In PEMDAS? Very confused!

Mathematics

2 answers:

Dmitry_Shevchenko [17]2 years ago

6 0

Answer:

E- exponent D- division A- addition

Step-by-step explanation:

PEMDAS is an acronym which means

P- parenthesis

E- exponents

M- multiplication

D- division

A- addition

S- subtraction

used for two or more operation in a single expression, the order of letters in the PEMDAS tells us what to calculate first, second, third and so on, until the calculation is complete.

Studentka2010 [4]2 years ago

5 0

E is exponents, D is division, A is addition

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Slope 8 ; through (4,3)

Reptile [31]

Answer:

y=8x-29

Step-by-step explanation:

Since we know the slope (m) is 8, we can plug it in the slope-intercept formula y=mx+b, making y=8x+b.

Now we need to find the y-intercept (b). To do that, you would need to plug in the points given to you, which were (4,3).

x=4, y=3... so 3=8(4)+b

Now you can solve for the variable b to find the y-intercept.

3=8(4)+b, multiply...

3=32+b, subtract 32 on both sides...

-29=b

Therefore, the y-intercept, or b, is -29.

The equation would be y=8x-29

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2 years ago

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2 years ago

The number of employees per department are normally distributed with a population standard deviation of 198 employees and an unk

cricket20 [7]

Answer:

EBM = +-54.126

Step-by-step explanation:

In this question we have confidence interval to be 80%

The formula to solve this is in the attachment.

Bar X = 1460

Z-alpha/2 = 1.282

Sd = standard deviation = 198 employees

n = 22 departments

After we have inserted all values in to the formula we have:

1460 +-(1.282*198/√22)

= 1460+-(54.12604)

= (1405.87, 1514.126)

The error bounded mean EBM

= +-z-alpha/2 x (sd/√n)

= 1.282 x 198/√22

= 1.282 x 42.22

EBM = +-54.126

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Sever21 [200]

The answer is the bottom right one

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2 years ago

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-Dominant- [34]

Here are some
1 ) 4 ( x - 3 )
2 ) 10 x - 2 x - 12
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