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lys-0071 [83]
4 years ago
6

Can y'all show me how to do this

Mathematics
1 answer:
QveST [7]4 years ago
5 0
Ok. So .4 kilometer is farthr away than .25 kilometer because .4 is closer to 1.
0.4 as a fraction is 2/10 or 1/5 kilometers, and 0.25 is 1/4 kilometers.
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How much wrappping paper do you need to cover a box that is 18 inches by 15 inches by 3 inches
s344n2d4d5 [400]

Answer:

Step-by-step explanation:

So to do this, you would find the surface area of a box. Since it is a rectangular prism, two sides will always have the same area and so there are 3 different areas. 18*15*2 = 540 and 18*3*2 = 108 and 3*15*2 = 90 and 90 + 108 + 540 = 738 inches

6 0
3 years ago
Graph the function. . y = -3x2 - 12x + 1​
victus00 [196]

Answer:

I hope this helps!

I put in y= -3x^{2} -12x+1

8 0
3 years ago
-Russell wants to buy three identical gift cards. hehe wants to make sure his total cost is no more than $2 above or below $60.
erastova [34]

Answer:

|60+3c|<2

That should be a less than or equal to sign

Also I’m sorry but I can’t explain it because I got this answer from someone else on here.

Step-by-step explanation:

4 0
3 years ago
What is the product of the two factors (x4/3)(x2/3)
andrezito [222]
Remember
a/b times c/d=(ac)/(bd)

also remember add exponents with similar bases when mutiplying
x^m times x^n=x^(m+n)
(x^4)/3 times (x^2)/3=(x^4 times x^2)/(3*3)=(x^(4+2))/9=(x^6)/9

answer is (x^6)/9
7 0
3 years ago
Read 2 more answers
Suppose that in a large metropolitan area, 73% of all households have cable tv. Suppose you are interested in selecting a group
Darina [25.2K]

Answer:

P(X \leq 2)=0.000387+0.00628+0.0425=0.0491

Step-by-step explanation:

1) Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

2) Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=6, p=0.73)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

For what proportion of groups will at most two of the households have cable tv?

So we want to find this probability:

P(X \leq 2)=P(X=0)+P(X=1)+P(X=2)

P(X=0)=(6C0)(0.73)^0 (1-0.73)^{6-0}=0.000387

P(X=1)=(6C1)(0.73)^1 (1-0.73)^{6-1}=0.00628

P(X=2)=(6C2)(0.73)^2 (1-0.73)^{6-2}=0.0425

P(X \leq 2)=0.000387+0.00628+0.0425=0.0491

3 0
3 years ago
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