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azamat
3 years ago
14

−3 |x| +2x−1 if x=−5

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
7 0

−3 |-5| +2(-5)−1

-15 +2(-5)-1

-15-10-1

-26

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In a particular class of  34 students, 11 are men. What fraction of the students in the class are women?
skelet666 [1.2K]

Step-by-step explanation:

34-11= women

women divided by 34

4 0
3 years ago
During an outbreak of the flu, a hospital recorded 24 cases the first week, 84 cases the second week, and 294 cases the third we
Ksenya-84 [330]
Take the # in the last week and times it by 3.5 than you should get the next week. ex: if you wanted to find the 9th week you could do 84 times 3.5 8 times

8 0
3 years ago
Read 2 more answers
a. Set up an equation to represent the distance the cheetah covered in terms of t minutes running at maximum speed. Remember, un
SashulF [63]
The distance travelled by an object at time t is given by: d = stwhere d is the distance, s is the speed and t is the time.
Given that the cheetah travels a maximum of 70mph, the distance travelled by the cheetah travelling at 70mph at time t is given by d = 70t
There are 60 mins in one hour, so the distance given in miles per minutes is d = 70/60t = 1.167 miles per minutes.


Part B:
Given that t = 10 minutes, the distance covered by the cheetah in 10 minutes is d = 1.167 x 10 = 11.67 miles.


Part C:
If the cheetah sprinted at maximum speed for 8 minutes and then slowed to 40 mph for the next 8 minutes, then the number of minutes the cheetah have traveled in the first 8 minutes is given by
d = 1.167 x 8 = 9.33 miles.


Part D:
If the cheetah sprinted at maximum speed for 8 minutes and then slowed to 40 mph for the next 8 minutes, then the number of minutes the cheetah have traveled in the second 8 minutes is given by
d = 40/60 x 8 = 5.33 miles


Part E:
The distance the cheetah traveled in the first 8 minutes more than in the second 8 minutes is given by
9.33 miles - 5.33 miles = 4 miles.


Part F:
The ratio of the distance travelled in the first 8 minutes to the distance travelled in the next minutes is given by
9.33 : 5.33 = 1.75 : 1.
Therefore, the distance traveled by the cheetah during the first 8 minutes is 1.75 times greater than the distance traveled during the second 8 minutes.

7 0
3 years ago
What are fractions that equal 10
Anna [14]
Some examples are 30/3, 40/4, 50/5, 60/6.

Hope this helps!
4 0
3 years ago
Read 2 more answers
The function w=30-3/4n represents the weight w in pounds of the papers in tyrones newspaper delivery bag after he delivers n new
adoni [48]

Answer:

domain (−∞,∞)

range (−∞,∞)

n = 40 and it refers to the fact that after delivering 40 newspapers, there will be no paper left in the bag

Step-by-step explanation:

To find the zero, we equate the linear equation to zero

w = 30 - 3n/4

3n/4 = 30

3n = 120

n = 120/3

n = 40

What this mean in this context is that the the bag becomes empty after he has delivered 40 newspapers or we can say that the maximum number of papers the bag can take is 40

The range refers to the number on the y-axis

Here the range is (−∞,∞)

The domain refers to the x axis values

We have (−∞,∞)

4 0
3 years ago
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