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3 years ago

Find the measure of angle b

Mathematics

2 answers:

ra1l [238]3 years ago

5 0

Answer:

80 degrees

Step-by-step explanation:

maks197457 [2]3 years ago

5 0

Ok, so the measurement of all the angles together has to equal 360 degrees. So the angle directly across from 100 is also 100 (because they are vertical angles) which equals 200. That means you have 160 degrees left to figure out. Since you have to find the measurement of the other TWO angles, just divide 160 in half and then you have the measurement for angle b.
The answer is 80 degrees.
Sorry if this is a long answer. I hope it helps though.

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The gradient of the curve is given by the equation and a point on the curve is also given. Find the equation of the curve with w

IgorC [24]

Answer:

4 x^(3/2) + 5x -32

Step-by-step explanation:

This problem involves definite integration (anti-derivatives).

If dy/dx = 6x^(1/2) - 5, then dy = 6x^(1/2)dx - 5dx.

(1/2) + 1

This integrates to y = 6x

----------------

(1/2) + 1 x^(3/2)

= 6 ------------ + C

3/2

or: 4 x^(3/2) + C

and the ∫5dx term integrates to 5x + C.

The overall integral is:

4 x^(3/2) + C + 5x + C. better expressed with just one C:

4 x^(3/2) + 5x + C

We are told that the curve represented by this function goes thru (4, 20).

This means that when x = 4, y = 20, and this info enables us to find the value of the constant of integration C:

20 = 4 · 4^(3/2) + 5·4 + C, or:

20 = 4 (8) + 20 + C

Then 0 = 32 + C, and so C = -32.

The equation of the curve is thus 4 x^(3/2) + 5x -32

(1/2 + 1)

7 0

3 years ago

Which property of addiction does 8+0=8 illustrate

Rus_ich [418]

Answer:

The statement represents the IDENTITY PROPERTY OF ADDITION.

Step-by-step explanation:

Here, the given expression is 8 + 0 = 8

IDENTITY ELEMENT : Identity element is a special type of element in a given set of system, such that any number remains UNALTERED if operated with the identity element.

⇒ a + X = X for, a ≡ IDENTITY ELEMENT

Now, 8 + 0 = 8

Comparing it with the above equation , we get

0 ≡ IDENTITY ELEMENT in the given Binary operation of Addition.

Hence, the statement represent the IDENTITY PROPERTY OF ADDITION.

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3 years ago

What is an discriminant

igor_vitrenko [27]

Answer:

a function of the coefficients of a polynomial equation whose value gives information about the roots of the polynomial.

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