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4 years ago

In ABC, what is the value of x 5.5 6.5 55 65

Mathematics

2 answers:

disa [49]4 years ago

8 0

Answer:

6.5

Step-by-step explanation:

vekshin14 years ago

6 0

Answer:

( B ) x = 6.5

Step-by-step explanation:

We know that all the angles of a triangle equal 180 when added together. So lets make an equation for this question.

(10x-10) + (10x+8) + 8x = 180

I just took all the angles and added them together to make 180. Now solve for x.

10x - 10 + 10x + 8 + 8x = 180 (combined like terms)

28x -2 = 180 (added 2 to both sides)

28x = 182 (divided both sides by 28)

x = 6.5

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3 years ago

How do you get the aswer to 38.6×45.0

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3 years ago

Read 2 more answers

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Tamiku [17]

Step-by-step explanation:

(a-4) (a-5) = a^2 - 9a + 20

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6 0

3 years ago

the speed a car travels is inversely proportional to the time it takes to complete a 100 mile trip. which of the following graph

Tems11 [23]

Answer:

Inversely proportion states that a relationship between two variables in which the product is a constant.

If one of the variable increases, then the other decreases in proportion so that the product is unchanged.

If y is inversely proportional to x, then the equation is of the form

$y = \frac{k}{x}$ ; where k is the constant proportionality.

As per the given condition: Speed of a car is inversely proportional to the time it takes to complete a 100 mile trip,

Let x represents the speed of car and y represents the time taken.

From the given condition:

$x \propto \frac{1}{y}$

Then by definition of inversely proportional;

$x = \frac{k}{y}$ [Since, $speed = \frac{Distance}{Time}$ ]

Here, k represents the distance(i.e constant) = 100 miles.

therefore, the equation becomes now;

$x = \frac{100}{y}$ or

xy = 100

The following graph for the above equation as shown below :

7 0

4 years ago