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Irina-Kira [14]
2 years ago
5

Find f(−5) if f(x)=|x+1|. Type a numerical answer in the space provided. Do not type spaces in your answer.

Mathematics
1 answer:
marin [14]2 years ago
6 0
<h3>Answer:   4</h3>

===============================================

Work Shown:

f(x) = |x+1|

f(-5) = |-5+1| .... x is replaced with -5

f(-5) = |-4|

f(-5) = 4

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a farmer has 10 acres to plant in wheat and rye. He has to plant at least 7 acres. However, he has only $1200 to spend and each
Jobisdone [24]

Answer:

4 acres of wheat and 4 acres of rye.

Step-by-step explanation:

Given: Farmer has only 7 acre, he has plant at least 7 acres.

          Farmer has only $1200 to spend.

          Each acre of wheat will cost $200 and rye will cost $100.

          Planting time is only 12 hours

          Wheat planting take 1 hour per hour and rye take 2 hours per acre.

          Profit on wheat is $500 per acre and rye $300 per acre.

As to find out maximum profit, we need to plant maximum wheat.

While dividing number of acres of land for wheat and rye for plantation, we need to keep two constraint in the mind; Constraint of cost and time as given.

Lets assume few number considering these constraint to get maximum profit.

First assumption, 5 acres of wheat and 2 acres of rye

Time taken= 5\times 1= 5 h\\2\times 2= 2 h

Total time taken 7 hours

Amount spent= 5\times 200= \$ 1000\\2\times 100= \$ 200

Total cost is $ 1200.

Profit= 5\times 500= \$ 2500\\2\times 300= \$ 600

Maximum profit= $3100.

Second assumption, 4 acres of wheat and 4 acres of rye.

Times taken= 4\times 1= 4 h\\4\times 2= 8 h

Total time taken is 12 hours

Amount spent= 4\times 200= \$ 800\\4\times 100= \$ 400

Total cost is $1200.

Profit= 4\times 500= \$ 2000\\4\times 300= \$ 1200

Maximum profit= $3200.

∴ By using hit and trail method, we can see that we are getting maximum profit when farmer is planting 4 acres of wheat and 4 acres of rye.                

8 0
3 years ago
251 = 148 + j how do you solve this
dmitriy555 [2]
In order to arrive at the answer, take the total (251) and subract it by 148.  J = 103
3 0
3 years ago
Read 2 more answers
National polls are often conducted by asking the opinions of a few thousand adults nationwide and using them to infer the opinio
Valentin [98]

Answer:

Sample: few thousand adults

Population: all the adults

Step-by-step explanation:

A sample is a subset of the population, selected randomly.

In this case:

The sample consist of the few thousand adults selected to determine the opinions about the National polls.

The population consist of all the adults belonging to the said nation.

Consider an example about the new President election.

To determine which of the two candidates (say <em>A</em> and <em>B</em>) has a higher probability of winning the President election, the election society took a random sample of voters and asked who they think will be a better president.

The sample selected will be large enough, probably 10% of the population of all voters.

From this study it can be estimated which candidate has the higher chance of winning.  

5 0
3 years ago
Find the output for each input of y = -2x.
Bezzdna [24]
Its the first one because -3(-2)=6, 1(-2)=-2, 2(-2)=4 are all correct 

3 0
3 years ago
Read 2 more answers
Please i will give brainliest <br>​
igor_vitrenko [27]

Answer:

6✓2=8.49

✓8.49^2-6^2

✓ 36

6

✓24^2+6^2

✓612

=24.74=x

5 0
3 years ago
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