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erastovalidia [21]
3 years ago
7

16x2 = 49 what is x?

Mathematics
1 answer:
pantera1 [17]3 years ago
5 0
You start off, 
16 x 2 = 32
You're looking for x so,
49 - 32 = 17
Hope this helps :)!
Brainliest please 
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Which expression is equivalent to 19x − 6x + 2 and why?
Mila [183]
2 + 13x, because (19x − 6x) + 2 = 13x + 2 = 2 + 13x
8 0
3 years ago
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HELP!!!!
Andrei [34K]

Answer: 90° , 60° and 30° .

Step-by-step explanation:

Given : In a right triangle with a leg of 4 units and a hypotenuse of 8 units.

One angle should be 90°. (A right triangle has a 90° angle.)

Let the given leg is the side opposite to the angle \theta  in the triangle.

Then by trigonometry , we have

\sin\theta=\dfrac{4}{8}=\dfrac{1}{2}  [Sine of an angle is the ration of the side opposite to the angle and the hypotenuse of a right triangle.]

Also , \sin 30^{\circ}=\dfrac{1}{2}

\Rightarrow\ \theta = 30^{\circ}

Let  x be the measure of the third angle.

BY Angle sum property of triangle , we have

90^{\circ}+30^{\circ}+x= 180^{\circ}\\\\ 120^{\circ}+x= 180^{\circ}\\\\ x=180^{\circ}-120^{\circ}\\\\ x= 60^{\circ}

Therefore , the measures of all angles in the triangle : 90° , 60° and 30° .

4 0
3 years ago
14 1/6-10 11/24= what fraction
spin [16.1K]
The answer is 3 17/24.
8 0
4 years ago
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Which statement describes this system of equations?<br> 9x – 6y = 15, <br> 3x – 2y = 5
enot [183]

This system of equation has an infinite number of solutions.

You can tell this because multiplying one equation by a constant gives you exactly the other equation. You can multiply the second equation by 3.

9x - 6y = 15

5(3x - 2y = 5) = 9x - 6y = 15

When this happens, you can assume that there are an infinite number of solutions.

7 0
4 years ago
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An angle measures 40.2° more than the measure of its complementary angle. What is the measure of each angle?
vampirchik [111]
<h3>Solving for the measurements of Complementary Angles</h3><h3>Answer:</h3>

24.9^{\circ} and 65.1^{\circ}

<h3>Step-by-step explanation:</h3>

Recall that Angles that are complementary to each other add up to 90^{\circ}.

Let a be the measure of the complementary angle.

If an angle is 40.2^{\circ} more than its complementary angle, the measure of that angle is a +40.2. The sum of both angles are expressed a +(a +40.2) but since the have to add to 90 as they are complementary, a +(a +40.2) = 90.

Solving for a:

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Since the other angle measures a +40.2, we can plug in the value of a to find the measure of the angle.

Evaluating a +40.2:

a +40.2 \\ 24.9 +40.2 \\ 65.1

The measure of the angles are 24.9^{\circ} and 65.1^{\circ}

4 0
3 years ago
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