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Lunna [17]
2 years ago
5

Given the equation find f=4 F(x)=x+1

Mathematics
1 answer:
rusak2 [61]2 years ago
3 0

Answer:

F(4)=5

Step-by-step explanation:

F(x)=x+1

F(4) means that x is 4

F(4)=4+1 = 5

F(4)=5

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1) What is the difference between a number and its positive square root is 12. Find the number
hjlf

Answer:

algebra

Step-by-step explanation:

using algebra form an equation than solve for the variable keep in mind u have to square it

3 0
3 years ago
A pitcher of water at 40 degrees Fahrenheit is placed into a 70 degree room. One hour later, the temperature has risen to 45 deg
solong [7]

Answer:

3 hours

Step-by-step explanation:

The difference between the initial temperature and the temperature after an hour is an increase of 5 degrees. Since we need to calculate the time it would take for the temperature to rise to 60 degrees we need to find the difference in degrees from the current temperature to 60 degrees.

60 - 45 = 15 degrees

Since 1 hour equals an increase of 5 degrees we need to divide 15 by 5 to calculate how many hours before the temperature increases to 60 degrees

15 / 5 = 3 hours

8 0
2 years ago
Which statement explains why the value of [2.4] is 2 but the value of [-2.4] is –3?
GenaCL600 [577]
For any x in Real numbers, [x] is the greatest possible integer smaller than x, or equal to x if x is an integer.

According to this,

<span>[2.4] is the greatest integer , smaller than or equal to (so non greater) 2.4. This number is 2

similarly,  </span>[-2.4] is the greatest integer , smaller than or equal to (so non greater) -2.4. This number is -3.


Answer: 

A) <span>Because 2 is the greatest integer not greater than 2.4 and –3 is the greatest integer not greater than –2.4. </span>
3 0
3 years ago
Read 2 more answers
The ages of three siblings Jason John and Jackson totals 21 years. Jason is one year older than John. Jackson is three times as
Ymorist [56]

Answer:Jason is 5 years old.

John is 4 years old.

Jackson is 12 years old.

Step-by-step explanation:

Let x represent the age of Jason.

Let y represent the age of John.

Let z represent the age of Jackson.

The ages of three siblings Jason John and Jackson totals 21 years. It means that

x + y + z = 21 - - - - - - - - - - -1

Jason is one year older than John. It means that

x = y + 1

Jackson is three times as old as John. It means that

z = 3y

Substituting x = y + 1 and z = 3y into equation 1, it becomes

y + 1 + y + 3y = 21

5y = 21 - 1 = 20

y = 20/5 = 4

x = y + 1 = 4 + 1

x = 5

z = 3y = 3 × 4

z = 12

6 0
3 years ago
Can someone plz help? I do not understand
Slav-nsk [51]

Answer:

y=x no

y=12x yes

y=1.6x yes

y=3/(4x) no

y=2x+1 no

y=3+x no

Step-by-step explanation:

4 0
3 years ago
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