3 years ago

What are the domain and range of the function f(x) = 3/4 x+5?

1 answer:

3 0

Answer:

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. The range is the set of all valid y values

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In a right-angled triangle, the hypotenuse is 113 and a leg is 112.

melomori [17]

Answer: 15

Step-by-step explanation: Use the formula: $a^{2}+b^{2}=c^{2}$

Remember $c^{2}$ should always be the hypotenuse or the longest side.

$112^{2}+b^{2}=113^{2}$ ---> evaluate the exponents

$12544+b^{2}=12769$ ----> subtract 12544 to the other side

$b^{2}=225$ ---> take the square root of both sides

$b=15$

7 0

3 years ago

The perimeter of a rectangle is 84 cm. If the length is 25 cm, how wide is the rectangle?

MrMuchimi

Answer: 17 cm

Step-by-step explanation:

84 - 25(2) = 2x

84 - 50 = 2x

34 = 2x

x = 17

17 cm

4 0

3 years ago

In what quadrant would the following coordinates be found <br> ( -7 , -11 )

levacccp [35]

Answer:

quadrant 3

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

12/k = 18/42 what is k

Maslowich

Answer:

k = 28

Step-by-step explanation:

12/k = 18/42

Cross multiply.

18k = 12 * 42

18k = 504

Divide both sides by 18.

k = 28

5 0

3 years ago

Determine whether this system of equations has one solution, no solution, or infinitely many solutions.

prohojiy [21]

Answer:

The only solution I see is for x=0

Step-by-step explanation:

y=8x+2

y=-8x+2

y=y so substitute:

8X+2=-8X+2

Subtract 2 from each side

8X=-8X

divide each side by 8

x=-x

The only solution I see is for x=0

4 0

3 years ago