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3 years ago

a central angle of circle of radius 50cm intercept an arc of 10 cm .Express central angle in radian n in degree

Mathematics

1 answer:

Elodia [21]3 years ago

7 0

Answer:

11.7 degrees approximated to 12 degrees

Step-by-step explanation:

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Five and one half less than 3 times a number

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2 years ago

In triangle ABC, m∠A=(6x+9)∘, m∠B=(x−8)∘, and the exterior angle at C is 141∘.

Sphinxa [80]

Answer:

12°

Step-by-step explanation:

Let's start with the easy first.

We know that m∠C is 39° because together ∠C and the exterior angle equal 180°. And 180 - 141 = 39.

Now, we can use this to find the remaining two angles.

180° - 39° = 141°

So, this means that we can set up m∠A + m∠B = 141°.

6x + 9 + x - 8 = 141

7x + 1 = 141

7x = 140

x = 20

Finally, we can plug in for our x value and find m∠B.

m∠B = x - 8

m∠B = 20 - 8

m∠B = 12°

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2 years ago

Which relation is a function? A) x y = y2 - 3 B) y x = y2 - 3 C) x2 + y2 = 5 + x D) x2 - y = 10x + 25 + y

marin [14]

Since you didn’t specify that it needed to be y as a function of x, all of the above equalities can be rewritten as functions. However, in case that you meant to imply that, A and B are both not valid for y as a simple function of x.

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3 years ago

If the ratio y/x is the same for all related pairs of x and y, what does that mean

Verizon [17]

Answer:

The same ratio indicates that there is a proportional relationship between y and x.

Step-by-step explanation:

We know when y varies directly with x, the equation is

y ∝ x

$y=kx$

$k\:=\:\frac{y}{x}$

Here,

k is the constant of proportionality.

The ratio y/x indicates that k is a constant of proportionality.

Thus, the same ratio indicates that there is a proportional relationship between y and x.

When x increases, y increases, and when y decreases, x also decreases.

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2 years ago

a central angle of circle of radius 50cm intercept an arc of 10 cm .Express central angle in radian n in degree​

a central angle of circle of radius 50cm intercept an arc of 10 cm .Express central angle in radian n in degree