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klemol [59]
3 years ago
5

All functions have a domain and a range. True False

Mathematics
1 answer:
Elza [17]3 years ago
6 0

Answer:

True

Step-by-step explanation:

The definition of the function is a relation with exactly one x for each y. x is the domain, and y is the range, so all functions have a domain and a range.

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Find a solution of the linear inequality.<br> y&gt;_4x-5
irga5000 [103]

Answer:

(0,0) is among the solutions

Step-by-step explanation:

The given inequality is y\ge4x-5

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Let us check for x=0 and y=0

We substitute to get:

0\ge4*0-5

0\ge-5....This is true.

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4 0
3 years ago
The area of a cell phone is 12 inches squared. What is the length of the missing side?
zzz [600]

Answer:

12

Step-by-step explanation:

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3 years ago
Find the value of -(2/5) - (-1/8) A) -21/40 B) -11/40 C) 11/40 D) 3/13
Yuliya22 [10]

(-2/5)-(-1/8)

Need to make the denominators the same

(-16/40)-(-5/40)

Multiply -2/5 by 8

Multiply -1/8 by 8

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3 0
3 years ago
What is the value of x<br> 2x+3y=45 <br> x+y=10
Volgvan
Assuming this is a system of equations, here is how to find x. 

2x + 3y = 45
x + y = 10 

Multiply x + y = 10 by 2 so you are able to use the elimination method.

2x + 3y = 45
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Subtract.

y = 25

Now that we've found y, we can plug it in to find x. 

x + 25 = 10

Subtract 25 from both sides.

x = -15
4 0
3 years ago
What is the answer to this and can you answer this quickly please <br> _ in. = 28 ft 10 in
vaieri [72.5K]
The answer is 250 in
3 0
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