MATHEMATICS HIGH SCHOOL

Which expression finds the measure of an angle that is coterminal with a 126° angle?126° + (275n)°, for any integer n
126° + (375n)°, for any integer n
126° + (450n)°, for any integer n
126° + (720n)°, for any integer n

Answers

Answer 1

Answer:

Answer:

126° + (720n)°, for any integer n

Step-by-step explanation:

Coterminal Angles of an angle are the angles who share the same initial side and terminal sides.

Also, we can find the coterminal angle of an angle by adding or subtracting 360°. ( When angle is given in degree ),

For example, if Ф is an angle,

Then, its coterminal angles are,

Ф + 360 n, for an integer n,

Here, Ф = 126°,

Hence, its coterminal angles are,

126° + ( 360 n)°,

Since, n is an integer,

⇒ 2n is an integer,

So, the co-terminal angle of 126° can be written,

126° + ( 360×2n )°= 126° + ( 720n)°, for any integer n.

Answer 2

Answer: All the coterminal angles with 126° are 126 + k*360, being k an integer.

if you make k=2n

You find that 126° + 2n*360 also represent coterminal angles for 126°, so the answer is 126° + 720n

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Range of function f(x)=3x-12 for the domain {-2,2}

Answers

I think (x-12)/3 right?

What is the degree of this polynomial?

2x4 - 3x5 + x

Answers

A polynomial is an expression that has more than two algebraic terms.

The degree of a polynomial is the value of the highest power in the given polynomial.

The degree of the polynomial 2 $x^(4)$ - 3 $x^(5)$ + x is 5.

What is a degree of a polynomial?

A polynomial is an expression that has more than two algebraic terms.

The degree of a polynomial is the value of the highest power in the given polynomial.

Example:

x³ + 2x² + 4x + 3 is a polynomial.

x³ + 5x² + 8x + 3 is a polynomial.

The degree is 3.

We have,

2 $x^(4)$ - 3 $x^(5)$ + x

This is a polynomial since it has more than two algebraicterms.

The highestpower of the algebraicterms given is 5.

$x^(4)$ , $x^(5)$ , and x are the algebraicterms in the given polynomial.

Thus,

The degree of the polynomial 2 $x^(4)$ - 3 $x^(5)$ + x is 5.

Learn more about polynomials here:

brainly.com/question/20121808

#SPJ2

Answer: Polynomial Degree: 5

Leading Term: -3x to the 5th power

Leading Coefficient: -3

The polynomial degree is 5

Step-by-step explanation:

What is the value of a.

45/105 = 6/a

Answers

solve the rational equation by combining expressions and isolating the variable a and it equals 14

cross multiple and get

45a = 630 divide both sides by 45

a = 630/45

a = 14

hope helped

If triangle DEF has a 90° angle at vertex E, which statements are true? Check all that apply.Triangle DEF is an obtuse triangle.
The angle at vertex D is acute.
The angle at vertex F is obtuse.
Triangle DEF is a right triangle.
The angle at vertex D is obtuse.

Answers

draw a diagram (shown below as attachment)

check each option

1st one: obtuse triangle
osbuse means that the triangle has an angle more than 90 degrees
remember that all angles add to 180
90 is one
90+D+F=180
D+F=90
so those 2 mystery angles both have to be less than 90 so therefor none of them can be obtuse
not 1st option

2nd: angle at D is acute
acute means less than 90
so we remember that
D+F=90
no angle can be 0 so let's say F is a very small number like 0.0001
then D would be 89.9999
still less than 90, it is acute
this 2nd optin is right

3rd: angle at F is obtuse
wrong, from 1st one, no obtuse angles
3rd option is wrong

4th: right triangle
duh, a right triangle has a right angle in it
90 degrees is a right angle
yes
4th optin is right

5th: D is obtuse
naw, fam. no obtuse angles here

the right answers are 2nd and 4th or
The angle at vertex D is acute and
Triangle DEF is a right triangle

Answer:

In other words, A, D.

Step-by-step explanation:

27 students is 90% of how many students

Answers

30 students would be your answer

a total of 234 tickets were sold for the school play. they were either adult tickets or student tickets. the number of students tickets sold was two times the number of adult tickets sold. how many adult tickets were sold.