3 years ago

What is 1 4/5 * 12 equal to

1 answer:

3 0

The answer could be 48/5 or 9 and 3/5 or 9.6 These all mean the same exact thing. You get the answer by multiplying 12/1 and 4/5 to get 48/5.

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I need help with geometry

Aleonysh [2.5K]

9514 1404 393

Answer:

C. 26

Step-by-step explanation:

The two marked angles are "vertical angles." They are congruent.

x +20 = 3x +8 . . . . . congruent angles have the same measure

12 = 2x . . . . . . . . . subtract x+8 from both sides

6 = x . . . . . . . . . divide by 2

∠PTQ = (x+20)° = (6+20)° = 26°

7 0

3 years ago

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An exterior angle of an isosceles triangle has measure 140degrees°. Find two possible sets of measures for the angles of the tri

SIZIF [17.4K]

40 and 40 and 100 is one set
Another is 40 and 70 and 70

8 0

3 years ago

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Apply division algorithm to find the quotient and remainder on dividing the polynomial 3 x^ + 4 x^ square + 6 x + 9 by x^ + 3x +

Ulleksa [173]

I suppose you mean

$\dfrac{3x^3+4x^2+6x+9}{x^2+3x+7}$

$3x^3=3x\cdot x^2$ , and if we multiply $x^2+3x+7$ by $3x$ we get $3x^3+9x^2+21x$ . Subtracting this from the numerator gives a remainder of $-5x^2-15x+9$ .

$-5x^2=-5\cdot x^2$ , and multiplying $x^2+3x+7$ by $-5$ gives $-5x^2-15x-35$ . Subtracting this from the previous remainder gives a new remainder of $44$ .