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Valentin [98]
3 years ago
11

Find the rate of change for: bicycling 3 mi in 15 min and 7 mi in 55 min

Mathematics
1 answer:
NikAS [45]3 years ago
6 0
Rate of change = slope. (55-15)/(7-3) = answer
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Put these numbers in descending order 0.516 , 0.615 , 0.609 , 0.506
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Use distribute property and simplify<br> Help me please​
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Answer:

104

155

180

Step-by-step explanation:

an easy way is to solve what is in the parenthesis then multiply by the outside number

but if you need to use the distributive property:

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Find the​ fourth-degree polynomial function with zeros 4​, -4, 4i ​, and -4i . Write the function in factored form.
Iteru [2.4K]

Given:

A fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i .

To find:

The fourth-degree polynomial  function in factored form.

Solution:

The factor for of nth degree polynomial is:

P(x)=(x-a_1)(x-a_2)...(x-a_n)

Where, a_1,a_2,...,a_n are n zeros of the polynomial.

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P(x)=(x-4)(x-(-4))(x-4i)(x-(-4i))

P(x)=(x-4)(x+4)(x-4i)(x+4i)

P(x)=(x-4)(x+4)(x^2-(4i)^2)           [\because a^2-b^2=(a-b)(a+b)]

On further simplification, we get

P(x)=(x-4)(x+4)(x^2-4^2i^2)

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Therefore, the required fourth degree polynomial is P(x)=(x-4)(x+4)(x^2+16).

6 0
2 years ago
Pls help me with i have no help pt 2
ioda

Answer:

2

Step-by-step explanation:

2

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