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emmasim [6.3K]
2 years ago
6

Drew's weekly allowance is $8.00. His friend Jan's weekly allowance is $10.00. Drew spends $3 a week and Jan spends $4 a week. W

rite two expressions to show how much money each person has at the end of the week. Use parentheses.
Mathematics
1 answer:
VARVARA [1.3K]2 years ago
7 0
8.00- 3.00 & 10.00- 4.00
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Help me with these math questions.
Olegator [25]

graph A

no x-intercept

no y-intercept

H.A is y = 5

V. A. is x = 0

*****************************************

Answer: \frac{150}{31}

<u>Step by step explanation:</u>

log₆(5x + 6) - log₆(x - 4) = 2

log₆(\frac{5x+6}{x-4}) = 2

(\frac{5x+6}{x-4}) = 6²

(\frac{5x+6}{x-4}) = 36

5x + 6 = 36(x - 4)

5x + 6 = 36x - 144

       6 = 31x - 144

    150 = 31x

     \frac{150}{31} = x

**********************************************************

Answers:

  • a. (-1, -5)
  • b. up
  • c. x = -1
  • d. \frac{-2+\sqrt{15}}{3} and\frac{-2-\sqrt{15}}{3}
  • e. -2
  • f. see attachment
  • g. domain (-∞, ∞)  range [-5, ∞)

<u>Explanation:</u>

f(x) = 3x² + 6x - 2

      a=3  b=6 c=-2

x = \frac{-b}{2a} =\frac{-6}{2(3)} = \frac{-6}{6} = -1

Axis Of Symmetry: x = -1

f(-1) = 3(-1)² + 6(-1) - 2

       = 3 - 6 - 2

       = -5

Vertex: (-1, -5)

x = \frac{-b+/-\sqrt{b^{2}-4ac}}{2a}

  = \frac{-6+/-\sqrt{6^{2}-4(3)(-2)}}{2(3)}

  = \frac{-6+/-\sqrt{36+24}}{6}

  = \frac{-6+/-\sqrt{60}}{6}

  = \frac{-6+/-2\sqrt{15}}{6}

  = \frac{-2+/-\sqrt{15}}{3}

x-intercepts: \frac{-2+/-\sqrt{15}}{3}



6 0
3 years ago
How do I do this help me please
Dmitrij [34]

Answer:

The answer is 3x.

Step-by-step explanation:

I broke it down on paper.

3 0
2 years ago
What is the difference between 5/6−5/12
Nutka1998 [239]

Answer:

\frac{5}{12}

Explanation:

\frac{5}{6}  - \frac{5}{12}

[ make the denominator same ]

\frac{10}{12}  - \frac{5}{12}

[ apply fraction rule ]

\frac{10-5}{12}

[ simplify ]

\frac{5}{12}

3 0
2 years ago
Read 2 more answers
I need help and i have a test tommorrow
kompoz [17]
The answer to the questions

4 0
3 years ago
4 times a number added to -5 is the same as the sum of twice the number and 11. What is the number?
Alexus [3.1K]
Let x = the number you need to find.

4x + (-5) = 2x + 11

You finish.
4 0
3 years ago
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