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Mice21 [21]
4 years ago
8

2ax+2y-ay-4x factorised into 2 brackets please and thankyou

Mathematics
1 answer:
s344n2d4d5 [400]4 years ago
5 0
First group terms together- polynomial
(2ax-4x) + (2y-ay)

common factor for first term is 2x and the second term is y

2x(2a-4) + y(2-a)
2x(a-2)  + y(2-a)

Add like terms which yields final answer
 
(2x+y)(2-a)

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I need help with all A B C, I’m going to type the C QUESTION BECAUSE IT DIDNT APPER ON THE PIC
igomit [66]

1. Class width:

The class width is given by the following expression:

Width=\frac{Range}{#intervals}

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And the range is:

Range=maximumV-MinimuV=509-210=299

Replacing:

Width=\frac{299}{4}=74.75\approx74

A) The class width is 74 (rounding to the smallest value).

2. Number of team attempted from 360 to 434:

B) The number of teams are: 4

3. According to the histogram, what is the total number of teams?

The total number of teams is given by:

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8 0
1 year ago
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Gala2k [10]
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3 0
3 years ago
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a survey of an urban university (population of 25,450) showed that 750 of 1,100 students sampled attended a home football game d
DiKsa [7]

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Pcap - Z_{\alpha /2}\sqrt{\frac{Pcap(1 - Pcap)}{n} } < p < Pcap + Z_{\alpha /2}\sqrt{\frac{Pcap(1 - Pcap)}{n} }

where the left part is the lower interval and right side is the higher interval.

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Again to calculate Z_{\alpha /2} , as we know that the level of confidence is 90 percent so its value will be 1.645

now putting the values on the both side we can get ,

0.6818 - 1.645 x 0.014 < p  <  0.6818 + 1.645 x 0.014

0.6818 - 0.023  < p < 0.6818 + 0.023

0.6588 < p < 0.7048

the nearest value is [0.6592, 0.7044]

Hence the confidence interval for the proportion of students attending a football game is [0.6592, 0.7044]

To know more on confidence interval, visit here

brainly.com/question/13067956

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5 0
1 year ago
Explain the process to solve the equation. Use proper
Rudik [331]

Answer: x = 5/2 or 2.5

Step-by-step explanation:

1/4x = 5/8

To find the value of X;

We multiply both sides by 4

1/4 x × 4 = 5/8 × 4

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7 0
2 years ago
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klio [65]

1/9 is the answer. Hope this helps : )

     

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4 years ago
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