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3 years ago

Si el punto (5,0) está en una gráfica, żes (5,0)

Mathematics

1 answer:

Dvinal [7]3 years ago

8 0

Answer:

Can you put it in English pls..

Step-by-step explanation:

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In an upcoming race, the top 3 finishers will be recognized with the same award. There are 12 people entered in the race.

slavikrds [6]

Answer:

220

Step-by-step explanation:

Given,

The total number of people = 12,

Out of which, top 3 finishers will be recognized with the same award,

So, the total possible way = total combination of 3 people out of 12 people

$=^{12}C_3$

$=\frac{12!}{3!(12-3)!}$

$=\frac{12\times 11\times 10\times 9!}{3\times 2\times 9!}$

$=\frac{1320}{6}$

$=220$

Hence, there are 220 ways the top 3 racers can be grouped from the 12 people.

6 0

3 years ago

F(x) = -x + 2 equation of inverse

natali 33 [55]

F(x)=-x+2
y=-x+2
x=-y+2
Solve for y
x-2=-y
-y/-1=(x-2)/-1
y=-x+2
So f^-1(x) is gonna be -x+2

6 0

3 years ago

Please help me I really don’t know

Mazyrski [523]

Answer:

acute-angled

Step-by-step explanation:

It doesn't have a right angle and one of its corners isn't for than 90 degrees

7 0

3 years ago

Audrey is buying a nee car for $32,998. She plans to make a down payment of $4,200. If she's to make a monthly payments of $525

Airida [17]

4,200+525(5×12)
4,200+525(60)=
4,200+31,500=35,700

6 0

4 years ago

Two trains start from Fort Worth traveling at the same speed. The trip for Train W takes 20 hours, while the trip for Train Z ta

MrMuchimi

Answer:

The equation that best models this situation is :

b. $\frac{x}{20}=\frac{x+400}{25}$

Distance traveled by Train W = 1600 miles

Distance traveled by Train Z = 2,000 miles

Step-by-step explanation:

Given:

Time taken for Train W to complete a trip = 20 hours

Time taken for Train Z to complete a trip = 25 hours

The city Train Z is traveling to is 400 miles farther away than the city Train W is traveling to.

both trains have same speeds and start from same location.

To find the distance in total each train travels.

Solution:

<em>Let length of the trip of Train W be </em>= $x$ miles

Speed of Train W can be given as :

⇒ $\frac{Distance}{Time}$

⇒ $\frac{x}{20}\ miles/h$

<em>So, the length of the trip of Train Z will be</em> = $(x+400)$ miles

Speed of Train Z can be given as :

⇒ $\frac{Distance}{Time}$

⇒ $\frac{x+400}{25}\ miles/h$

Since the speeds are same, so the equation to find $x$ can be given as:

⇒ $\frac{x}{20}=\frac{x+400}{25}$

Solving for $x$

Multiplying both sides by 100 to remove fractions.

⇒ $100\times \frac{x}{20}=100\times \frac{x+400}{25}$

⇒ $5x=4(x+400)$

Using distribution.

⇒ $5x=4x+1600$

Subtracting both sides by $4x$

⇒ $5x-4x=4x-4x+1600$

⇒ $x=1600$

Thus, Distance traveled by Train W = 1600 miles

Distance traveled by Train Z = $1600+400$ = 2,000 miles

3 0

3 years ago