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Artyom0805 [142]
2 years ago
14

Factorizationx² - 4y²-c²-4cy ​

Mathematics
1 answer:
Kamila [148]2 years ago
4 0

Answer:

( x + 2y ) ( x - 2y )

Step-by-step explanation:

x² + [ -2xy + 2xy ] - 4y²

= x² - 4y²

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the claim that 20% of americans know their credit score is tested. suppose that the sample evidence causes us to fail to reject
kipiarov [429]

Answer:

Conclusion : People ≠ 20% don't know about their credit score.

Step-by-step explanation:

Hypothesis is testing a statement for its statistical significance.

Null Hypothesis (H0)  implies 'no difference from tested value', Alternate hypothesis (H1)  implies 'significant difference from tested value'

Let % of people knowing their credit score = CS

H0 : CS = 20

H1 : CS  ≠  20

If the null hypothesis is rejected, it implies that we reject the claim that CS i.e '% of americans knowing their credit score = 20%'. So, the alternate hypothesis is accepted, i.e we conclude that '% americans knowing their credit score ≠ 20%'.

5 0
3 years ago
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MrRa [10]

Answer:

2) 11

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Step-by-step explanation:

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3) 19 - (-2) = 19 + 2 = 21

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6 0
2 years ago
Express 82 kilometers per hour in miles per hour
mezya [45]

Step-by-step explanation:

a)82km into miles

Sol'n

Here,

km=82=82000miles

m=?

Now,

Miles =km×1000

=82×1000

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Therefore,82000m.

6 0
3 years ago
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e-lub [12.9K]

Answer:

C

Step-by-step explanation:

y < 5 and y < 2 over lap at y < 2

8 0
3 years ago
Dont skip help me plzzz will mark brainliest
Yakvenalex [24]

Answer:

(6,-6)

Step-by-step explanation:

well if you count over to the right 6 and down 6 that points would be

(6,-6)

3 0
3 years ago
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