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3 years ago

Please answer quickly and show your work thank you :)

Mathematics

1 answer:

DiKsa [7]3 years ago

6 0

I think what you had was correct if you are talking about 17

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Is -15/2 a irrational number

Eduardwww [97]

No because it is equal to -7.5 I think

4 0

3 years ago

Read 2 more answers

You want to go to graduate school, so you ask your math professor, Dr. Emmy Noether, for a letter of recommendation. You estimat

den301095 [7]

Answer:

$P(G) = 0.69$

$P(S | G) = 0.81$

$P(M|G') = 0.26$

Step-by-step explanation:

From the question we are told the

The probability of getting into getting into graduated school if you receive a strong recommendation is $P(G |S) = 0.80$

The probability of getting into getting into graduated school if you receive a moderately good recommendation is $P(G| M) = 0.60$

The probability of getting into getting into graduated school if you receive a weak recommendation is $P(G|W) = 0.05$

The probability of getting a strong recommendation is $P(S) = 0.7$

The probability of receiving a moderately good recommendation is $P(M) = 0.2$

The probability of receiving a weak recommendation is $P(W) = 0.1$

Generally the probability that you will get into a graduate program is mathematically represented as

$P(G) = P(S) * P(G|S) + P(M) * P(G|M) + P(W) * P(G|W)$

=> $P(G) = 0.7 * 0.8 + 0.2 * 0.6 + 0.1 * 0.05$

=> $P(G) = 0.69$

Generally given that you did receive an offer to attend a graduate program, what is the probability that you received a strong recommendation is mathematically represented as

$P( S|G) = \frac{ P(S) * P(G|S)}{ P(G)}$

=> $P(S|G) = \frac{ 0.7 * 0.8 }{0.69}$

=> $P(S | G) = 0.81$

Generally given that you didn't receive an offer to attend a graduate program the probability that you received a moderately good recommendation is mathematically represented as

$P(M|G') = \frac{ P(M) * (1- P(G|M))}{(1 - P(G))}$

$P(M| G') = \frac{ 0.2 * (1- 0.6)}{ (1 - 0.69)}$

$P(M|G') = 0.26$

3 0

3 years ago

Is the fraction 315/8 irrational

Debora [2.8K]

Answer:

315/8 GIVES 39.375.

But 35.375 Is actually a rational number,because it is terminating after 3 decimal places.

Hence its not a rational number

3 0

3 years ago

Read 2 more answers

HELP ASAP PLEASE Alaina has $28 in her account. She wants to purchase a pair of shoes that costs $45. If Alaina makes the purcha

expeople1 [14]

Answer:

-17

Step-by-step explanation:

28-45= -17 dollars in her account

7 0

3 years ago

Please help with #14

AnnyKZ [126]

h(t)=(t-1)^2-(t+1)^2

0=(t-1)^2-(t+1)^2

(t+1)^2=(t-1)^2

t^2+2t+1=t^2-2t+1

2t+1=-2t+1

4t+1=1

4t=0

t=0

There is one zero at t=0

7 0

3 years ago