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nadya68 [22]
3 years ago
12

* E Which angle is an acute angle?

Mathematics
2 answers:
vodomira [7]3 years ago
8 0

Answer:

angle COD is right answer

Aleonysh [2.5K]3 years ago
5 0

Answer:

B. Angle COD

Step-by-step explanation:

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Suma dintre treimea unui numar si numarul insusi este egala cu 28 .afla numarul.
abruzzese [7]
Let be x the number;

We have (1/3)*x + x = 28 ;

x/3 + 3x/3 = 84/3 ;

4x = 84;

x = 84 ÷ 4 ;

x = 21.
7 0
3 years ago
The base of an isosceles triangle is 43m The perimeter of the triangle is 4215 cm what is the lenght of either of the remaining
zaharov [31]

Let the length of equal sides be x cm. Perimeter = x cm + x cm + Base = 4 2/15 cm 2x + 4/3 = 62/15 On transposing 4/3 to R.H.S, we obtain 2x = 62/15 - 4/3 2x = 62 - 4 x 5/15 = 62 - 20/15 2x = 42/15 On dividing both sides by 2, we obtain 2x/2 = 42/15 x1/2 x = 7/5 = 1 2/5 Therefore, the length of equal sides is 1 2/5 c m.

3 0
3 years ago
Which comparison of the two equations is accurate?
sveticcg [70]

9514 1404 393

Answer:

  (c) Both equations have the same potential solutions, but equation A might have extraneous solutions.

Step-by-step explanation:

The general approach to solving an equation like either of these is to raise both sides of the equation to a power that will remove the radical. In both cases, the result is a quadratic with roots of x=-4 and x=2.

Of these two potential solutions, x = -4 is an extraneous solution for equation A. Both values of x are solutions for equation B. An appropriate description is ...

  Both equations have the same potential solutions, but equation A might have extraneous solutions.

_____

<em>Additional comment</em>

The attached graph shows the equations cast into the form f(x) = 0, so x-intercepts are the solutions to the equation. The radical versions of the equations have only x-intercepts that are actual solutions. The version with the radicals removed is a parabola with two solutions (orange). Only one of those matches the solution to equation A (red). Both match the solutions of equation B (purple).

8 0
3 years ago
F (x)= 6x^2 + 6x + 12 (Solve by factoring.)
zzz [600]
You can't solve for the zeros by factoring because the function is not factorable.

I'll show you what happens:
f(x) = 6x^2 + 6x + 12

To solve for the zeros (when f(x)=0), set f(x) equal to 0.
0 = 6x^2 + 6x + 12

First you can factor out a 6.
0 = 6(x^2 + x + 2)

Divide by 6.
0 = x^2 + x + 2

Now you need two integers that add up to the coefficient of x (1) and multiply to the product of the last term and the coefficient of x^2. This number is 2.
No two integers add up to 1 and multiply to 2.
3 0
3 years ago
When Randy works 5 hours as a baseball umpire, he earns $77.50. When he works 18 hours, he earns $279.00. Which equation represe
SIZIF [17.4K]

Answer:

B) m=15.50h

Step-by-step explanation:

77.50 ÷ 5 = 15.50

279 ÷ 18 = 15.50

Randy makes $15.50 per hour.

3 0
2 years ago
Read 2 more answers
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