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Sedaia [141]
3 years ago
10

2. Lara collects shark's teeth. She has 72 teeth. She wants to put them in special cases. Each case can hold 10 teeth. How many

cases should Lara buy? Draw a picture to find the answer. Then explain how you know your answer is correct.​
Mathematics
1 answer:
kozerog [31]3 years ago
8 0

Answer:

Lara should buy 8 boxes

Step-by-step explanation:

To start we would need to do

72/10

since 72 isn't a multiple of ten we can round it down to 70, then do

70/10=7

since we still have two teeth, we can put them in their own box so

7+1=8

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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)

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The graph shows this polynomial has the required zeros.

4 0
3 years ago
Please help ASAP:solve 1 2/10 x 5=
VladimirAG [237]

Answer: 6

Step-by-step explanation:

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5 0
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Step-by-step explanation:

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Answer:

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