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Paraphin [41]
3 years ago
9

If you can't see it the question is use benchmarks to estimate decimals:

Mathematics
2 answers:
adoni [48]3 years ago
8 0
So do you want me to estimate with benchmarks or figur the whole thing

Svetllana [295]3 years ago
6 0
10.29 is the answer if you were asking that
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Can someone please help me Factor 4x^2 - 81
Vsevolod [243]

Answer:

(2x-9)(2x+9)

Step-by-step explanation:

This is a difference of squares because it can be written as (2x)^2-9^2

The formula for factoring a difference of squares is a^2-b^2=(a-b)(a+b)

So replace a with 2x and b with 9 giving us

4x^2-81=(2x-9)(2x+9)

3 0
4 years ago
Read 2 more answers
Another easy question pls answer​
timama [110]
Always true, 90+90=180
6 0
3 years ago
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A stadium holds 50,000 people.The stadium is divided into 250 different seating sections.How many seats are in each section?
worty [1.4K]
50,000 ÷ 250 = 200

This means that there are 200 seats in each section.
8 0
3 years ago
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He cost, in millions of dollars, of building a three-story high school in new york state was estimated to be c(x) = 2.1 + 0.12x
ratelena [41]

Given cost function is

c(x) = 2.1 + 0.12x - 0.0001x^2 (20 ≤ x ≤ 400)

where x is the number of thousands of square feet

total revenue will be $0.2 million dollars per thousand square feet

Revenue is 0.2 millions per thousand square feet. we know x is the number of thousand of square feet

So R(x) = 0.2x

We know Profit = Revenue - Cost

P(x) = R(x) - C(x)

P(x) = 0.2x - (2.1 + 0.12x - 0.0001x^2)

P(x) = 0.2x - 2.1 - 0.12x + 0.0001x^2)

combine like terms

P(x) =-2.1 + 0.08x + 0.0001x^2

Profit function is

P(x) =0.0001x^2 + 0.08x - 2.1


5 0
3 years ago
15. ¿Cuál es ol rosultado de 2x(x - 1)?
professor190 [17]
<h2>¡Hola! </h2>

<h2>Explicación paso a paso Espero que te ayude</h2>

2x(x - 1) \\  \\  {2x}^{2}  - 2x

<h2>Espero que te ayude </h2>
5 0
3 years ago
Read 2 more answers
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