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DiKsa [7]
4 years ago
6

I really need help. I don't get this.

Mathematics
2 answers:
Mekhanik [1.2K]4 years ago
6 0

Answer----------->

4<-4x+3x

4<-1x

x<-4


Mkey [24]4 years ago
4 0

is there a way to make it bigger/ i clicked zoom but i still cant see it.

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You are a meteorologist that places temperature sensors all of the world, and you set them up so that they automatically e-mail
solniwko [45]

Answer:

If the first e-mail you got from sensor S indicates a daily high over 80 degrees, the probability that the sensor is placed in Maine = 0.01156

Step-by-step explanation:

Let the probability of placing the sensor S at Maines be P(M) = 0.05

Probabilty of placing the sensor S in the Sahara desert = P(S) = 1 - P(M) = 1 - 0.05 = 0.95 (this is because the meteorologist is confident that the sensor is at either of the two places.

Let the probability of a high temperature of 80 degrees or more = P(T)

Probability of the sensor picking up temperature of 80 degrees or more given that it is in Maine = P(T|M) = 20% = 0.20

Probability of the sensor picking up temperature of 80 degrees or more given that it is in the Sahara desert = P(T|S) = 90% = 0.90

From the definition of rhe conditional probability

P(A|B) = P(A n B) ÷ P(B)

P(A n B) = P(A|B) × P(B)

If the first e-mail you got from sensor S indicates a daily high over 80 degrees, what is the probability that the sensor is placed in Maine?

The required probability = P(M|T)

P(M|T) = P(M n T) ÷ P(T)

P(T) = P(M n T) + P(S n T)

P(M n T) = P(T|M) × P(M) = 0.20 × 0.05 = 0.010

P(S n T) = P(T|S) × P(S) = 0.90 × 0.95 = 0.855

P(T) = 0 010 + 0.855 = 0.865

P(M|T) = P(M n T) ÷ P(T)

P(M|T) = (0.010/0.865) = 0.01156

Hope this Helps!!!

7 0
3 years ago
(4x+5)(4x−5) <br>I'm stuck can someone please help me ​
Marizza181 [45]

Answer:6small2−25

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME OUT! Check out the first two questions on my profile please! It will really help me out
Zanzabum

NIJFNC JFVNJNFDVCMK DSN CHSFBNCODJ MKNVF

Step-by-step explanation:

5 0
3 years ago
Evaluate the expression <br><br> 64 (15-1x2-9
SVETLANKA909090 [29]

Answer:

256

Step-by-step explanation:

64(15-1x2-9)

64(15-2-9)

64 x 4

256

3 0
3 years ago
HELP NEEDED PLEASE!!!
postnew [5]

Using vector concepts, it is found that:

The component form is of approximately (-9.58, 7,22). It means that the ship is about 9.58 miles to the west and about 7.22 miles to the north of where the ship left the port.

<h3>How can a vector be represented in component notation?</h3>

Given a magnitude M and angle \theta, then a vector V can be represented as follows in component notation:

V = (M\cos{\theta}, M\sin{\theta})

In this problem, the magnitude and the angle are given, respectively, by:

M = 12, \theta = 143^\circ

Hence:

V = [12cos(143º), 12sin(143º)] = (-9.58, 7,22).

Which means a displacement of 9.58 miles to the west(negative x = west) and 7.22 miles to the north(positive y = north).

The component form is of approximately (-9.58, 7,22). It means that the ship is about 9.58 miles to the west and about 7.22 miles to the north of where the ship left the port.

More can be learned about vectors at brainly.com/question/24606590

#SPJ1

8 0
3 years ago
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