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Elenna [48]
3 years ago
10

Hi what is 4x3-1 x20= Don’t mind this

Mathematics
2 answers:
avanturin [10]3 years ago
7 0
I’m pretty sure it’s -8
krek1111 [17]3 years ago
3 0

Answer:

4 x 3 - 1 x 20 = -8

H u m a n F i n g e r P i e.

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What is the equation for the axis of symmetry of your quadratic ? <br> Y=x^2-4x
vekshin1

Answer:

y =  {x}^{2}  - 4x \\ y = x(x - 4)

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3 years ago
From a sample with nequals8​, the mean number of televisions per household is 4 with a standard deviation of 1 television. Using
OlgaM077 [116]

Answer:

75% of the households have between 2 and 6 televisions

Step-by-step explanation:

From the question, we can deduce the following;

sample size n= 8

sample mean μ = 4

standard deviation σ = 1

Using Chebychev’s theorem;

P(2 ≤ X ≤ 6) = P(2-4 ≤ (X - μ) ≤ 6-4)

= P(-2 ≤ (X-μ) ≤ 2) = P(|X-μ| ≤ kσ) ≥ (1 - 1/k^2) ≥ (1- 1/2^) = 1- 0.25 = 0.75 ( same as 75%)

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B9%7D%7B14%7D%20%2F%20%5Cfrac%7B4%7D%7B3%7D" id="TexFormula1" title="\frac{9}{14} / \
Assoli18 [71]
About 0.482
calculator
6 0
3 years ago
WILL GIVE A BRAINLEST
andreyandreev [35.5K]
Two end points
One direction

Hope this helps xx
5 0
3 years ago
WILL MARK BRAINLIEST FOR BEST ANSWER! SERIOUS ANSWERS ONLY!
alexira [117]

Answer:

Step-by-step explanation:

2081.25 ; 2312.50 ; 2543.75 ; ..... 7500

a= 2081.25

d = 231.25

t_{n}= 7500

a + (n-1)d = t_{n}

2081.25 + (n-1) * 231.25 = 7500

(n -1) *231.25 = 7500 - 2081.25

231.25n - 231.25 = 5418.75

231.25n = 5418.75 + 231.25

231.25n = 5650

n = 5650/231.25  = 565000/23125

n = 904/37

n = 24 years 157 days

6 0
2 years ago
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