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Jlenok [28]
3 years ago
7

Why are all the numbers above classified as "rational"?

Mathematics
1 answer:
Maurinko [17]3 years ago
5 0

Answer:

All the number is rational because it can be multiplied or divide.

let me know if it's wrong. THANKS

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Researchers sampled 178 young women who recently participated in a STEM program. Of the 178 STEM​ participants, 110 were in urba
fenix001 [56]

Answer:

Probability from Urban Area = \frac{55}{89}

Probability NOT from Rural Area = \frac{83}{89}

Step-by-step explanation:

Total 178

Urban 110

Suburban 56

Rural 12

Hence, probability of x is number of x divided by total.

So, probability that she is from an urban area = 110/178 = 55/89

And

probability NOT a rural area (means urban and suburban which is 110+56=166) = 166/178 = 83/89

3 0
3 years ago
Whats the vertex of x^2-12x+23
abruzzese [7]

Answer:

y=(x-6)^2-13

Step-by-step explanation:

6 0
3 years ago
Can someone help with this
Alchen [17]
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7 0
4 years ago
Find the largest interval which includes x = 0 for which the given initial-value problem has a unique solution. (Enter your answ
Ivan

Answer:

(-\infty,3)

Step-by-step explanation:

We are given that

(x-3)y''+4y=x

y''+\frac{4}{x-3}y=\frac{x}{x-3}

y(0)=0

y'(0)=1

By comparing with

y''+p(x)y'+q(x)y=g(x)

We get

p(x)=\frac{4}{x-3}

g(x)=\frac{x}{x-3}

q(x)=0

p(x),q(x) and g(x) are continuous for all real values of x except 3.

Interval on which p(x),q(x) and g(x) are continuous

(-\infty,3)and (3,\infty)

By unique existence theorem

Largest interval which contains 0=(-\infty,3)

Hence, the larges interval on which includes x=0 for which given initial value problem has unique solution=(-\infty,3)

7 0
3 years ago
Gem and her three friends are going on a holiday. There is a buy 2 get one free offer on plane tickets. Tickets cost £600 each.
VLD [36.1K]

Answer: £450

Step-by-step explanation:

If they bought 2 tickets, they could get an extra ticket for free. As there are three of them, they would buy 2 tickets, get one for free and then buy another ticket to make it four.

In that case they would have only paid for 3 tickets.

The total cost of 3 tickets is:

= 600 * 3

= £1,800

The 4 of them would therefore have to pay:

= 1,800 / 4

= £450

7 0
3 years ago
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