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Bingel [31]
3 years ago
12

The domain of f(x)=4x is ____ the range of f(x) = 4^x is ____

Mathematics
2 answers:
Vesna [10]3 years ago
6 0

Answer:

domain: all real numbers

range: y>0

Step-by-step explanation:

took it

natima [27]3 years ago
3 0

Answer:

- All real numbers

-y>0

Step-by-step explanation:

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Which is greater 3/7 3/6 3/5
Elanso [62]

3/7= 0.428571

3/6= 0.5

3/5= 0.6

So 3/5 is the greatest of all of them.

8 0
3 years ago
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In a right triangle the length of a hypotenuse is c and the length of one leg is a, and the length of the other leg is b, what i
swat32
Apply the Pythagoras Theorem

{c }^{2}  =  {a}^{2}  +  {b}^{2}
{9 }^{2}  =  {7}^{2}  +  {b}^{2}
81 =  49+  {b}^{2}
81  -  49 = {b}^{2}
32= {b}^{2}
Take square root of both sides

b =  \sqrt{32}
b = 4  \sqrt{2}

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3 years ago
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The sum of 20.7 and a number is 50.5. Which equation could you use to solve the problem? What should you do to each side of the
Arlecino [84]

Answer:

Equation to solve this: 50.5-20.7=a number

Answer: 29.8

Step-by-step explanation:

3 0
3 years ago
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Solve for x.<br> 7(1x - 3) = 4(x + 5)
alexandr1967 [171]

Answer:

x = 41/3

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

7(1x - 3) = 4(x + 5)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Simplify:                                        7(x - 3) = 4(x + 5)
  2. Distribute:                                     7x - 21 = 4x + 20
  3. Subtract 4x on both sides:          3x - 21 = 20
  4. Add 21 on both sides:                  3x = 41
  5. Divide 3 on both sides:                x = 41/3

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute:                    7(1(41/3) - 3) = 4(41/3 + 5)
  2. Multiply:                        7(41/3 - 3) = 4(41/3 + 5)
  3. Subtract/Add:               7(32/3) = 4(56/3)
  4. Multiply:                        224/3 = 224/3

Here, we see that 224/3 is indeed equivalent to 224/3. ∴ x = 41/3 is a solution to the equation.

And we have our final answer!

6 0
2 years ago
Multi-Step Two friends compare the amount of change they
Setler79 [48]

Answer:

Ashley

Step-by-step explanation:

Ashley:

12n (n=5) = 60+2u (u=10)=80

4 quarters equal a dollar

$1.80

Beto:

10n (n=5)= 50+ 4u (u=10) = 90

3 quarters equal .75

$1.65

5 0
2 years ago
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