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SVETLANKA909090 [29]
3 years ago
7

5. Mrs. Parker is providing lunch at her next staff meeting. She will pay $15.75 for 3 people

Mathematics
1 answer:
vladimir2022 [97]3 years ago
8 0
Answer = $210

3/15.75 = 40/x
3x = 15.75 (40)
3x =630
x=210
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3 years ago
Need the steps too this
ruslelena [56]

The value of x  is 9.

We have :    - 25 = 7 - (5x - 13)

We have to find the value of x.

<h3>If f(x) = g(x), than what do you understand by true solution of this equation?</h3>

The true Solution of the equation is the value of x for which LHS = RHS.

For example - if  ax + b = cx + d , then

ax - cx = d - b

x = \frac{d-b}{a-c}   is the true solution of the equation.

In the question given -

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- 25 = 7 - 5x + 13

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Hence, the value of x for which LHS = RHS is 9.

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2 years ago
How do you find the derivative of 1/logx?
valentina_108 [34]

The derivative of 1/logx is With the chain rule.

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The by-product of 1/log x is -1/x(log x)^2. Note that 1/logx is the reciprocal of log.

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P(x) = 8x² + 7x² + 2x + 4
Naddik [55]

Answer:

P(x) = 15x^2 + 2x + 4

Step-by-step explanation:

To simplify:

combine like terms

8x^2 + 7x^2 = 15x^2

There are no other like terms.

This equation cannot be simplified any further with the given information.

P(x) = 15x^2 + 2x + 4

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