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4 years ago

I have trouble with the converting

Mathematics

1 answer:

Gnom [1K]4 years ago

7 0

HI,
3 yd= 108 in
24 ft = 8 yd
56 ft= 18 yd 6 ft
12 ft 6 in = 216 in ( im not 100% sure on this one)
i hope this helped you

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3 years ago

A population of 120,000 grows 3% per year for 15 years, how much will the population be after 15 years?

Wewaii [24]

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4 years ago

A shipment of 50 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving de

ddd [48]

Answer: 0.8926

Step-by-step explanation:

Given : A shipment of 50 inexpensive digital watches, including 10 that are defective.

The probability that a digital watch is defective $: p=\dfrac{10}{50}=0.2$

Sample size : n=10

Also, they reject the whole shipment if 1 or more in the sample are found defective.

Using the binomial probability formula :

$P(x)=^nC_xp^x(1-p)^{n-x}$

Let x be the random variable that represents the number of defective watches.

The probability that the shipment will be rejected :-

$P(x\geq1)=1-P(0)\\\\=1-^{10}C_0(0.2)^0(0.8)^{10}\\\\=1-(0.8)^{10}=0.8926258176\approx0.8926$

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3 years ago

What are the zeros of the polynomial function: f(x) = x3 – 5x2 -6x

shepuryov [24]

The zeros of the polynomial function: f(x) = x^3 – 5x^2 -6x is -1, 0, 6.

<u>Solution:</u>

Given, polynomial equation is $x^{3}-5 x^{2}-6 x$

We have to find the zeroes of the given polynomial.

So, let us equate it with 0.

$\begin{array}{l}{\text { Then, } x^{3}-5 x^{2}-6 x=0} \\\\ {\rightarrow x\left(x^{2}-5 x-6\right)=0} \\\\ {\rightarrow x\left(x^{2}-(6-1) x-6\right)=0} \\\\ {\rightarrow x\left(x^{2}-6 x+x-6\right)=0} \\\\ {\rightarrow x(x(x-6)+1(x-6))=0} \\\\ {\rightarrow x(x-6)(x+1)=0} \\\\ {\rightarrow x=0 \text { or } x-6=0 \text { or } x+1=0} \\\\ {\rightarrow x=0 \text { or } 6 \text { or }-1}\end{array}$

Hence, the roots of the given polynomial are -1, 0, 6.

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3 years ago

Gloria collected 23 faintail and comet goldfish. There were 11 fewer fantails than comets. How many comets did Gloria have?

likoan [24]

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3 years ago