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Elodia [21]
3 years ago
8

WILL MARK BRAINLIEST!!!PLZ HELP!!!

Mathematics
1 answer:
Andrei [34K]3 years ago
6 0

Answer:

Step-by-step explanation:

Hello,

<em>"Ray says the third-degree polynomial has four intercepts. Kelsey argues the function can have as many as three zeros only."</em>

We know that Kelsey is right, a polynomial of degree 3 has maximum 3 zeroes, so it means that the graph of this polynomial has maximum 3 x-intercepts.

<u>So how Ray can be right too?</u>

we need to think of y-intercept, if we add the y-intercept then Ray can be right too,

as you can see in one example below

there are 3 x-intercepts and 1 y-intercept.

This being said, Ray is not always right. For instance x^3

has only 1 zero (multiplicity 3) its graph has only 1 intercept in the point (0,0)

hope this helps

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After the last ice age began, the number of animal species in Australia changed rapidly. The relationship between the elapsed ti
stiks02 [169]

Answer:

Every decade, the number of species decays by a factor of 0.0834.

Step-by-step explanation:

Let be S(t) = 25,000,000\cdot 0.78^{t}, \forall t \geq 0. The decay rate per decay is deducted from the following relation:

\frac{S(t+10)}{S(t)} = \frac{25,000,000\cdot 0.78^{t+10}}{25,000,000\cdot 0.78^{t}}

\frac{S(t+10)}{S(t)} = 0.78^{t+10-t}

\frac{S(t+10)}{S(t)} = 0.78^{10}

\frac{S(t+10)}{S(t)} = 0.0834

Every decade, the number of species decays by a factor of 0.0834.

3 0
3 years ago
Convert 22mile into inches
Andre45 [30]

22 miles is equal to 1393920 inches

<em><u>Solution:</u></em>

Given that, we have to convert 22 mile to inches

1 Mile (mi) is equal to 63360 inches (in). To convert miles to inches, multiply the mile value by 63360

<em><u>Use the following conversion factor</u></em>

1\ mile = 63360\ inches

Given is 22 miles

<em><u>Thus, multiply 63360 by 22</u></em>

1 \times 22\ mile = 63360 \times 22\ inches\\\\22\ mile = 1393920\ inches

Thus 22 miles is equal to 1393920 inches

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natita [175]

Answer:

76

Step-by-step explanation:

21+(36+19)

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21+55

=76

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