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Kamila [148]
3 years ago
10

Which statements are true about the ordered pair (−1, 5) and the system of equations?

Mathematics
2 answers:
nekit [7.7K]3 years ago
7 0
The answer is A) The ordered pair (−1, 5) is a solution to the first equation because it makes the first equation true.
Murljashka [212]3 years ago
5 0
<span>The ordered pair (−1, 5) is a solution to the first equation because it makes the first equation true.</span>
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a triangle has sides 8cm and 5cm and an angle of 90 degree between them.calculate the smallest angle of the triangle ​
kakasveta [241]

Answer:

The smallest angle is 32 degrees

Step-by-step explanation:

The given parameters show that the triangle is a right angled triangle;

Let the two other angles be represented by x and y;

Since the angle between side 5 cm and side 8 cm is 90, we can represent any of this sides as the opposite and as the adjacent;

Scenario 1 (Calculating x)

Let opposite = 5 cm

Let adjacent = 8 cm

In trigonometry, The relationship between opposite and adjacent is Tangent;

Tan\ x = \frac{Opposite}{Adjacent}

Tan\ x = \frac{5}{8}

Tan\ x = 0.625

Take arctan of both sides

x = tan^{-1}0.625

x = 32.0053832081

x = 32 (Approximated)

Scenario 2 (Calculating y)

Let opposite = 8 cm

Let adjacent = 5 cm

In trigonometry, The relationship between opposite and adjacent is Tangent;

Tan\ y = \frac{Opposite}{Adjacent}

Tan\ y = \frac{8}{5}

Tan\ y = 1.6

Take arctan of both sides

y = tan^{-1}1.6

y = 57.9946167919

y = 58 (Approximated)

<em>By comparing the angles, the smallest angle is 32 degrees</em>

6 0
3 years ago
-150.1275 rounded to the nearest tenth
Bingel [31]
I believe that it's -150.1
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4 years ago
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Which is a diagonal through the interior of the cube?<br><br>BE<br>CF<br>DG<br>GF​
anygoal [31]

Answer:

CF is a diagonal through the interior of the cube.

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2 years ago
Andy has the Rope 0.9 meters long Sherry has a rope one and a half times as long as Andy's how long is Shirley's wrote
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1.35 SHOULD BE YOUR ANSWER


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4 years ago
What is the tenth digit in the quotient 120 ÷ 11
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20 is the tenth digit in the quotient

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4 years ago
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