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gayaneshka [121]
3 years ago
7

Factorise them please

Mathematics
2 answers:
Shalnov [3]3 years ago
7 0

Answer:

2x+10 = 2(x+5)

5x-15 = 5(x-3)

8x+6 = 2(4x+3)

12x-8 = 4(3x-2)

-HOPE IT HELPS-


Step-by-step explanation:


Diano4ka-milaya [45]3 years ago
6 0

Answer:

a 2(x+5)

b 5(x+3)

c 2(4x+3)

d 4(3x+2)

Step-by-step explanation:

find the greatest common fact for all of them

a 2

b 5

c 2

d 4

then divide them into both numbers

a  x+5

b x+3

c 4x+3

d 3x+2

then add parentheses and

put the greatest common factor on both of them look at the answer above

-hope this helps :)

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Step-by-step explanation:

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asambeis [7]

Answer:

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Step-by-step explanation:

We are given that Breyers is a major producer of ice cream and would like to test if the average American consumes more than 17 ounces of ice cream per month.

A random sample of 25 Americans was found to consume an average of 19 ounces of ice cream last month. The standard deviation for this sample was 5 ounces.

<u><em>Let </em></u>\mu<u><em> = average ounces of ice cream consumed by American per month</em></u>

So, Null Hypothesis, H_0 : \mu \leq 17 ounces     {means that the average American consumes less than or equal to 17 ounces of ice cream per month}

Alternate Hypothesis, H_A : \mu > 17 ounces    {means that the average American consumes more than 17 ounces of ice cream per month}

The test statistics that will be used here is <u>One-sample t test statistics</u> as we don't know about population standard deviation;

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So, <u><em>test statistics</em></u>  =  \frac{19-17}{\frac{5}{\sqrt{25} } }  ~ t_2_4

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Therefore, we conclude that the the average American consumes less than or equal to 17 ounces of ice cream per month.

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Step-by-step explanation:

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