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3 years ago

You guys are worth it!

Mathematics

2 answers:

Alik [6]3 years ago

8 0

Answer:

i know im amazing

Step-by-step explanation:

timofeeve [1]3 years ago

7 0

Answer:

Awwwww thank you!!! Your worth more than the stars above. THANKS FOR THE POINTS!!!!

Step-by-step explanation:

P.S. I love your pfp!!!!

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How many terms are there in the expression 3x2 + 2x - 4? A:1 B:2 C:3 D:4

Nadya [2.5K]

Answer:

Step-by-step explanation:

4 0

3 years ago

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To convert temperature between degrees Fahrenheit to degrees Celsius, we use the formula C = (F - 32).

musickatia [10]

It is 100 degrease I think i am right

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3 years ago

Which of the following represents the factorization of the binomial below?

Serggg [28]

Answer:

Step-by-step explanation:

x² - 81 ← is a difference of squares and factors in general as

a² - b² = (a + b)(a - b)

Here a = x and b = 9, thus

x² - 81 = (x + 9)(x - 9) → D

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4 years ago

A study of 420 comma 000 cell phone users found that 134 of them developed cancer of the brain or nervous system. Prior to this

Vesnalui [34]

Answer: (0.00306,0.00334)

Step-by-step explanation:

Given : Sample size : n= 420000

The number of users developed cancer of the brain or nervous system =134

Then , the proportion of users developed cancer of the brain or nervous system :

$p=\dfrac{134}{420000}\approx0.0032$

Significance level : $1-0.90=0.1$

Critical value : $z_{\alpha/2}=1.645$

The confidence interval for population proportion is given by :-

$p\ \pm\ z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\=0.0032\pm (1.645)\sqrt{\dfrac{(0.0032)(1-0.0032)}{420000}}\approx0.0032\pm0.00014\\\\=(0.00306,0.00334)$

Hence, the 90% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system is (0.00306,0.00334).

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3 years ago

Given: m∠LON=77 ° m∠LOM=9x+44 ° m∠MON=6x+3 ° Find ∠MON

NISA [10]

Answer:

$m\angle MON=15^o$