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aleksandrvk [35]
2 years ago
12

HELP PLS Classify the triangle by its angles & sides if ∠A = 85 &

Mathematics
1 answer:
omeli [17]2 years ago
3 0
The angle of the triangle would be 72
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How do you find the minimum value of a quadratic function?
aniked [119]

The minimum value of a function is the place where the graph has a vertex at its lowest point.

There are two methods for determining the minimum value of a quadratic equation. Each of them can be useful in determining the minimum.

(1) By plotting graph

We can find the minimum value visually by graphing the equation and finding the minimum point on the graph. The y-value of the vertex of the graph will be the minimum.

(2) By solving equation

The second way to find the minimum value comes when we have the equation y = ax² + bx + c.

If our equation is in the form y = ax^2 + bx + c, you can find the minimum by using the equation min = c - b²/4a.

The first step is to determine whether your equation gives a maximum or minimum. This can be done by looking at the x² term.

If this term is positive, the vertex point will be a minimum; if it is negative, the vertex will be a maximum.

After determining that we actually will have a minimum point, use the equation to find it.

6 0
3 years ago
A triangle has one side length of 2x
Orlov [11]

The simplified expression that represents the total perimeter of the triangle is 2x^2 + 10x  + 3

<h3>How to determine the perimeter?</h3>

The side lengths are given as:

2x^2 + 5x + 3, 2 + 2x and 3x - 2

Add these lengths to determine the perimeter (P)

P = 2x^2 + 5x + 3 + 2 + 2x + 3x - 2

Collect like terms

P = 2x^2 + 5x + 2x + 3x  + 3 + 2 - 2

Evaluate the like terms

P = 2x^2 + 10x  + 3

Hence, the simplified expression that represents the total perimeter of the triangle is 2x^2 + 10x  + 3

Read more about perimeter at:

brainly.com/question/6465134

#SPJ1

8 0
2 years ago
3 and 3/4 + 1 and 1/4<br><br> Explanations on how I can get my answer please?
nikdorinn [45]

Answer:

The answer for this question is 5

4 0
3 years ago
Find the surface area of each figure to the nearest tenth.
astra-53 [7]
The answer to the question is 48cm^2
5 0
3 years ago
Evaluate the expression 7^2/x^2-2 for x =3
Elan Coil [88]

Answer:

7^2/x^2-2 for x =3

49/9-2

49/7

7

answer is 7

Step-by-step explanation:

8 0
3 years ago
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