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Sliva [168]
3 years ago
15

PLEASE I NEED HELP!!!!!!!!!!!!

Mathematics
1 answer:
Schach [20]3 years ago
3 0

Since 1 person costs 50, and for each person after that the cost goes up by $5, we can conclude the following: There is a flat fee of $45 and each guest costs $5.

Since the entry fee is a flat charge and cannot change, and the amount per guest changes based on the number of guests, the variable goes after the 5.

This can be modeled as<em> $45 + $5x</em>. The only options that represent this are A and D. Since he wants his total to be under $100, The correct option would be <u>d. $45 + $5x < 100</u>. Otherwise, with answer A, he would come up with a total that goes over his limit.

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Let f(x)=7x-4 <br><br> what is f(6)?
soldi70 [24.7K]

Answer:

38

Step-by-step explanation:

To find the value of f(6), we substitute the value 6 where x is into the function. You would get:

7(6) - 4

42 - 4

f(6) = 38

5 0
3 years ago
Read 2 more answers
Find a degree 4 polynomial having zeros -8,-1,4 and 5 and the coefficient of x^4 equal 1.
Keith_Richards [23]

Answer:

  x^4 -53x^2 +108x +160

Step-by-step explanation:

If <em>a</em> is a zero, then (<em>x-a</em>) is a factor. For the given zeros, the factors are ...

  p(x) = (x +8)(x +1)(x -4)(x -5)

Multiplying these out gives the polynomial in standard form.

  = (x^2 +9x +8)(x^2 -9x +20)

We note that these factors have a sum and difference with the same pair of values, x^2 and 9x. We can use the special form for the product of these to simplify our working out.

  = (x^2 +9x)(x^2 -9x) +20(x^2 +9x) +8(x^2 -9x) +8(20)

  = x^4 -81x^2 +20x^2 +180x +8x^2 -72x +160

  p(x) = x^4 -53x^2 +108x +160

_____

The graph shows this polynomial has the required zeros.

4 0
3 years ago
HELP WITH GEOMETRY PLS
Paha777 [63]

Answer:

optionb

Step-by-step explanation:

7 0
2 years ago
How to do this question plz answer ​
weeeeeb [17]

9514 1404 393

Answer:

  102

Step-by-step explanation:

The total of ratio units is ...

  6 + 3 + 8 = 17

The difference between the Charlie's ratio units and Adrian's ratio units is ...

  8 - 6 = 2

That is, the total number of ratio units is 17/2 = 8.5 times that difference.

The actual difference is 12 sweets, so the total number of sweets is ...

  8.5 × 12 = 102 . . . . total sweets

4 0
3 years ago
Which expression is equivalent to 16a -18b + 20a
lisov135 [29]
B) (16 + 20)a - 18b

16a and 20a are both positive and 18b is the only negative it’s easier to add the positive with each other then the negative and a positive then add other positive
3 0
3 years ago
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