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weqwewe [10]
2 years ago
14

Expand (x-y)^4 “expand each binomial”

Mathematics
1 answer:
soldier1979 [14.2K]2 years ago
8 0

Answer:

(x-y)(x-y)(x-y)(x-y)

Step-by-step explanation:

(x-y)^4 means multiply (x-y) four times

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Select all that apply. the theorems in the lesson are followed by which of the following?
musickatia [10]

Answer: E


Step-by-step explanation: In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and generally accepted statements, such as axioms. A theorem is a logical consequence of the axioms. ... Many mathematical theorems are conditional statements.


7 0
3 years ago
Read 2 more answers
Solve for w.<br><br> 16w − 15w = 20
Nimfa-mama [501]
16w-15w =.
1w=20
1/1=20/1
W=20
8 0
3 years ago
Find the difference of 5 7/8 - 1/4
otez555 [7]

Answer:

5 5/8

Step-by-step explanation:

i hope this helped have a good one

3 0
3 years ago
An elevator began in the 9th floor. It went down 7 floors. Then, it went up 4 floors. On which floor did it stop?
nordsb [41]
The answer is floor number 6
6 0
2 years ago
Read 2 more answers
In a random sample of 500 handwritten zip code digits, 464 were read correctly by an optical character recognition (OCR) system
In-s [12.5K]

Answer:

z= 2.38

P = 0.008656

Step-by-step explanation:

Here n= 500 and p~= 464/500= 0.928 and q`= 1- 0.928 = 0.072

We formulate our null and alternate hypothesis as

H0 =  0.9 ;       H0 > 0.9

The degree of confidence = 90%

z₀.₀₅ = 1.645 for  α= 0.05

We use the test statistic

z=  x- np/√npq

z= 466-500 *0.9/ √500 * 0.9(1-0.9)

z= 466- 450/ √45

z= 16/6.7082

z= 2.38

As the calculated value of z= 2.38  is greater than α =1.645 so we reject H0.

If H0 is true the P value is calculated as

P = 1- Ф( 2.38)

P = 1-0.991344=0.008656

7 0
3 years ago
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