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Sever21 [200]
2 years ago
11

1. Factorise the expressions.a2a2 + 2ad + 2ac - ab - bd - bc​

Mathematics
1 answer:
Ugo [173]2 years ago
6 0
There's the only answer i've got

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Vikki [24]

Answer:

Step-by-step explanation:

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3 years ago
i need help and answers asapppppppppppppp. I WILL MARK BRAINLIEST AN THANKS TO EVERY ONE (i wont mark brainliest if the whole qe
Sonja [21]
Hope this can help you :)

5 0
3 years ago
When we reject the null and the null is true, we have a made a _________ __________.
nydimaria [60]

When we reject the null and the null is true, we have a made a type I error

The null hypothesis in statistics states that there is no difference between groups or no relationship between variables. It is one of two mutually exclusive hypotheses about a population in a hypothesis test.

null hypothesis is denoted as H₀

Reject the null hypothesis when the p-value is less than or equal to your significance level. Your sample data favor the alternative hypothesis, which suggests that the effect exists in the population. When you can reject the null hypothesis, your results are statistically significant.

when the p-value is greater than your significance level, you fail to reject the null hypothesis.

Sometimes , we reject our null hypothesis even when its true

there we made a type I error in hypothesis

To know more about null hypothesis here

brainly.com/question/19263925

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3 0
1 year ago
Daniel buys a video game for $48.50. He must pay 6% sales tax. How much tax must Daniel pay?
dolphi86 [110]
If you add 6% your answer would be $<span>51.41 hope it helps <3</span>
4 0
3 years ago
Read 2 more answers
What is 26.553 rounded to the nearest hundred?​
valentinak56 [21]

Answer:

26.55

Step-by-step explanation:

When rounding to the nearest whatever, you always look at the digit to the right of it. In this case, you look at the thousandth digit. 3 is not equal to or less than five, so you round 3 to 0 and you get 26.55

5 0
3 years ago
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