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3 years ago

Answer please and explain I’m having some trouble

Mathematics

1 answer:

forsale [732]3 years ago

5 0

Answer:

Step-by-step explanation:

The end behaviour as x gets larger and positive ( right- hand end )or larger and negative ( left- hand end )is determined by the term of the greatest degree.

For p(x) that is 4 $x^{8}$ , with

• Even degree (8) and positive leading coefficient (4), then

as x → ∞ , p(x) → ∞ and

as x → - ∞ , p(x) → ∞

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Distribute and combine like terms. 7(4a+3b-6)-3(3a-2b+4)

andrew11 [14]

Answer:

19a+27b-54

Step-by-step explanation:

First distribute 7 into the first equation. (4a+3b-6) Multiply each coefficient and the constant by 7.

28a+21b-42

Then do the same for -3 and (3a-2b+4).

-9a+6b-12

Rewrite the equation 28a+21b-42-9a+6b-12.

Combine like terms: 19a+27b-54

5 0

4 years ago

While John is traveling along a straight interstate highway, he notices that the mile marker reads 243 km. John travels until he

loris [4]

Answer:

The displacement is: - 80 i

Step-by-step explanation:

In order to answer the question, you have to apply the displacement formula, which is:

ΔX= Xf-Xi

Where ΔX is the displacement, Xf is the final position and Xi is the initial position. The formula represents the change in the position of an object from the origin.

Let the origin be in 0 km,with the x-axis positive to te right.

Notice that the displacement is a vector. The positions are:

Xf=163 km (i)

Xi= 243 km (i)

Because John starts in 243 km and finishes in 163 km.

Where i is the unit vector in the x direction.

Therefore:

ΔX= 163 i - 243 i

Solving:

ΔX= -80 i

Notice that for calculating the displacement you just need the initial and final position. It doesn't depend on the distance traveled.

3 0

3 years ago

I need help with this practice problem solving The subject is : biodiversity index I will send an additional picture that goes a

snow_lady [41]

ANSWER

Biodiversity index = 0.096

EXPLANATION

Given 7 different organisms with their individual numbers.

Biodiversity Index is:

$\text{ }\frac{Total\text{ number of species}}{Total\text{ number of individuals in the area}}$

i.e:

$\begin{gathered} Biodiversity\text{ Index = }\frac{7}{15+2+30+1+4+16+5} \\ \text{ = }\frac{7}{73} \\ \text{ = 0.09589} \end{gathered}$

Hence, the Biodiversity Index of Fraya's local park is 0.096. This is a low biodiversity since it's closer to 0.

5 0

1 year ago

Expand . ( 3x –2 ) 2 please help me with this.

Ainat [17]

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Answer: $\textsf{9x}^2\textsf{ - 12x + 4}$

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Given: $\textsf{(3x - 2)}^2$

Find: $\textsf{Simplify the expression}$

Solution: It looks like 2 is at the end of the parenthesis where the power would be instead of distributing the number. If so the following steps would be followed.

Expand