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3 years ago

The first lap of an auto race is 2,500 meters. This is 10% of the total race distance. What is the total race distance?

Mathematics

1 answer:

emmasim [6.3K]3 years ago

4 0

Answer:

25,000

Step-by-step explanation:

.10(x) = 2,500

X = 2,500/(.10)

X=25,000

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.If the side of an equilateral triangle is 6cm, then the area of triangle is

Oksi-84 [34.3K]

Answer:

$9\sqrt{3}$ cm^2

Step-by-step explanation:

area of an equilateral triangle = $\frac{s^{2} \sqrt{3} }{4}$ (s = length of the side)

area = $\frac{6^{2}\sqrt{3} }{4}$

area = $\frac{36\sqrt{3} }{4}$

area = $9\sqrt{3}$ cm^2

4 0

3 years ago

Hello, could anyone help me on part A and part B

solniwko [45]

Answer:

9 answer ok like floow on

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3 years ago

The results of a poll show that the percent of people in a town who want an observatory built on a nearby mountain is in the int

V125BC [204]

In finding this value you average lower and upper bound
(0.6+0.82)/2 = 0.71 =0.71 estimated margin of error = distance from estimate point lower/ upper bound This interval will be twice margin error
(0.82-0.6)/2 = 0.11 How far is 0.82 from 0.71 ?? =0.11=11%

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4 years ago

Subtract the given function and indicate the domain of the difference

maxonik [38]

Answer:

The domain is $x\in (-\infty,\infty).$

Step-by-step explanation:

Given functions $f(x)=x^2+3x+1$ and $g(x)=2x^2-4x-1$

Subtract these two functions:

$f(x)-g(x)\\ \\=(x^2+3x+1)-(2x^2-4x-1)\\ \\=x^2+3x+1-2x^2+4x+1\\ \\=(x^2-2x^2)+(3x+4x)+(1+1)\\ \\=-x^2+7x+2$

Plot these difference on the coordinate plane (see attached diagram). This function is defined for all vlues of x, so the domain is $x\in (-\infty,\infty).$

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4 years ago

Given the following functions f(x) and g(x), solve (f ⋅ g)(3) and select the correct answer below:

Ksenya-84 [330]

I believe you may have the order incorrect. If we were looking at g(f(x)) the answer would be 47. We would get this by sticking the 3 in for x in f(x) and solving, which would give us 48. We would then stick that answer in for x in the g(x), giving us 47.

In its current order the answer would be 28.

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3 years ago