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loris [4]
3 years ago
12

4x – y if x = – 2 and y = 3 Evaluate

Mathematics
2 answers:
Radda [10]3 years ago
5 0

Answer:

-11

Step-by-step explanation:

4x -y

Substitute x and y

4( -2 ) - 3

Simplify

-8 -3

Subtract

-11

Kisachek [45]3 years ago
4 0

Answer:

-11

Step-by-step explanation:

4x - y

4( - 2) - 3

- 8 - 3

- 11

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The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing
Allushta [10]

The correct value is 720 ft of fencing.

Answer:

Max Area = 64800 sq.ft

Step-by-step explanation:

A square will always give us the maximum area.

Thus, one side would be;

720/4 = 180 feet

So, we want a square 180 ft by 180 ft

however, from the question, we are to use the creek as one side. So, we'll take the 180 ft that we don't need because of the creek and then add it to the opposite side to get 180 + 180 = 360 ft.

Thus,we now have a rectangle with dimensions: 180 ft by 360 ft

Area is given by;

area = length × width

Maximum Area = 180 × 360

Max Area = 64800 sq.ft

6 0
4 years ago
Restless Leg Syndrome and Fibromyalgia
Anna11 [10]

Answer:

The probability that a person with restless leg syndrome has fibromyalgia is 0.183.

Step-by-step explanation:

Denote the events as follows:

<em>F</em> = a person with fibromyalgia

<em>R</em> = a person having restless leg syndrome

The information provided is as follows:

P (R | F) = 0.33

P (R | F') = 0.03

P (F) = 0.02

Consider the tree diagram attached below.

Compute the probability that a person with restless leg syndrome has fibromyalgia as follows:

P(F|R)=\frac{P(R|F)P(F)}{P(R|F)P(F)+P(R|F')P(F')}

            =\frac{(0.33\times 0.02)}{(0.33\times 0.02)+(0.03\times 0.98)}\\\\=\frac{0.0066}{0.0066+0.0294}\\\\=0.183333\\\\\approx 0.183

Thus, the probability that a person with restless leg syndrome has fibromyalgia is 0.183.

3 0
3 years ago
Multiple choice ! pls help
ZanzabumX [31]
The right answer is c
7 0
3 years ago
Plz help marking brainiest answers!!!
Nady [450]
2(13) = 26
-3(6) = -18
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8 0
3 years ago
BRAINLIEST Another submarine's descent can be represented as y = -240x, where y is the elevation and x is time in hours. How lon
frez [133]

Answer:

164

Step-by-step explanation:

3 0
2 years ago
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