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SVEN [57.7K]
4 years ago
14

Your answer should be a polynomial in standard form -3a(a^2-10a+25)

Mathematics
1 answer:
Flauer [41]4 years ago
7 0

Answer:

-3a^3  + 30a^2 - 75a

Step-by-step explanation:

Multiply 3 by what is inside the parentheses and add like terms.

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Greenfield village is spread across 240 acres of land. Only 37% of the land is used for the exhibits, while the rest of the land
Sergeeva-Olga [200]

Answer:

The land which are used for exhibits are <u>89 acres</u> (approximately).

Step-by-step explanation:

Given:

Village is spread across 240 acres of land. 37%  of land is used for the exhibits.

Now, we have to find acres of land which are used for exhibits.

So, here it is given that land used for exhibits is 37%, and we have to calculate the quantity from the percentage given:

According to question:

37% of 240 acres of land.

\frac{37}{100}\times 240

0.37\times 240

88.80

So, the land used for exhibits are 88.80 acres.

Therefore, the land which are used for exhibits are <u>89 acres </u>(approximately).

5 0
4 years ago
Help pleasee<br>x=<br>XY=<br>YZ=<br>XZ=​
Anna11 [10]

Answer:

well, the answer sure is an answer!

3 0
3 years ago
Solve.<br><br> The sum of 7c−5 and the opposite of 7c
Margaret [11]

Answer:

- 5

Step-by-step explanation:

The opposite of 7c is - 7c, thus the sum is

7c - 5 + (- 7c)

= 7c - 5 - 7c ← collect like terms

= - 5

5 0
3 years ago
Read 2 more answers
Select the correct answer.
Hitman42 [59]

Answer:

See explanation

Step-by-step explanation:

The question is incomplete, as the function is not given. So, I will make an assumption.

A quadratic function is represented as:

f(x) = ax^2 + bx + c

If a > 0, then the function has a minimum x value

E.g. f(x) = 4x^2 - 5x + 8 ------ 4 > 0

Else, then the function has a maximum x value

E.g. f(x)= -4x^2 -5x + 8 ---- -4 < 0

The maximum or minimum x value is calculated using:

x = -\frac{b}{2a}

For instance, the maximum of f(x)= -4x^2 -5x + 8 is:

x = -\frac{-5}{2*-4}

x = -\frac{5}{8}

So, the maximum of the function is:

f(x)= -4x^2 -5x + 8

f(-\frac{5}{8}) = -4 * (-\frac{5}{8})^2 - 5 *(-\frac{5}{8}) +8

f(-\frac{5}{8}) = 9.5625

8 0
3 years ago
What is the least common multiple of 12, 18, and 45?
Basile [38]

Answer:

180

Step-by-step explanation:

7 0
3 years ago
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