The angles of a triangle are 2x, 3x, and 4x degrees. Find the value of x

Mathematics

1 answer:

alexgriva [62]2 years ago

8 0

The answer would be 20 degrees.
2*20
3*20
4*20
All triangles must three degrees that equals 180.

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4. which algebraic expression is a polynomial with a degree of 2? 4x3 − 2x 10x2 − 8x3 3 6x2 − 6x 5

CaHeK987 [17]

ANSWER

The algebraic expression that is a polynomial with a degree of 2 is
$6 {x}^{2} - 6x + 5$

EXPLANATION

The degree of a term of a polynomial is the total sum of the exponents of the variables in each term.

The highest degree of the polynomial is considered the degree of the polynomial.

For first option,
$4 {x}^{3} - 2x + 10$
the highest degree is 3.

The second option is,
${x}^{2} - 8 {x}^{3} + 3$
This polynomial also has a degree of 3.

The third option is,
$6 {x}^{2} - 6x + 5$
This last option has a degree of 2.

Therefore the correct answer is option C.

7 0

2 years ago

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A first number plus a second number is 10. Twice the first number plus the second totals 26.

MakcuM [25]

1st number = x
2nd number = y

2x + y = 26
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x + y = 10

x = 16

26 - (2 x 16) = -6

10 - 16 = -6

Number 1 is 16
Number 2 is -6

3 0

3 years ago

A conical container can hold 120π cubic centimeters of water. The diameter of the base of the container is 12 centimeters.

nignag [31]

Answer:

A. 10cm