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skad [1K]
2 years ago
7

An inequality and its solution is shown below.

Mathematics
1 answer:
miskamm [114]2 years ago
3 0

Answer:

0

Step-by-step explanation:

The solution is x < 3.

Any number less then 3 is part of the solution set.

0 is part of the solution set.

3 and 4.5 are not.

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Vlad spent 20 minutes on his history homework and then completely solved x math problems that each took 2 minutes to complete. W
VladimirAG [237]

Answer: b. y=2x+20; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 20.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

time spent on  history homework: 20 minutes

time spent on each math problem: 2 minutes

math problem : x

total time spent  :y

So, we have to multiply each math problem (x) by the time spent on each math problem and add the 20 minutes spent on history homework.

The expression obtained is equal to the total time spent

Mathematically speaking:

y=2x+20

x can be any real number greater than or equal to 0, ( it would be 0 if there aren't any math problems)

and y is any real number greater than or equal to 20. ( 20 minutes is the minimum time spent if there aren't any math problems)

4 0
3 years ago
Read 2 more answers
A sequence is defined recursively by f(1)=16 and f(n)= f(n-1)+2n. Find f(4)
lord [1]
Hi,

f(1)=16
f(2)=f(1)+2*2=16+4=20
f(3)=f(2)+2*3=20+6=26
f(4)=f(3)+2*4=26+8=34

8 0
3 years ago
The perimeter P of a square (measured in inches) is expanding in size at a constant rate of change of 4 inches per inch with res
vivado [14]

Answer:

a. 10 inches

b. 8 inches

c. \frac{dP}{ds} = 4

Step-by-step explanation:

a. At side 0, perimeter is 0*4 = 0 in. At side 2.5 inches, perimeter = 2.5*4 = 10 inches, a change of 10 - 0 = 10 inches

b. At side 1, perimeter is 1*4 = 4 inches. At side 3 inches, perimeter = 3*4 = 12 inches, a change of 12 - 4 = 8 inches.

c. We can express the change in the square's perimeter P in terms of the change in the square's side length s as

\frac{dP}{ds} = 4

6 0
3 years ago
How many cards he has left​
lisabon 2012 [21]

Answer:

Wrong grammar

Step-by-step explanation:

how many cards DOES HE HAVE LEft

3 0
3 years ago
Use the functions f(x)=10-9/2x, g(x)=|-3x+16|, and h(x)=-x^2+8<br> Find h(a-4). urgent please answer
stich3 [128]

Answer:

ummmmm

Step-by-step explanation:

5 0
3 years ago
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