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Ad libitum [116K]
3 years ago
6

Which of the following is not a condition that must be met before you can use the quadratic formula to find a solutions of equat

ion ?
Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0
Mathwords: Discriminant of a Quadratic. The number D = b2<span> – 4ac determined from the coefficients of the equation ax</span>2<span> + </span>bx<span> + c = 0. The discriminant reveals what type of roots the equation has. Note: b</span>2<span> – 4ac comes from the quadratic formula.</span>
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These triangles ARE similar! Which reason proves it?
andrew-mc [135]

Answer:

SAS

Step-by-step explanation:

From the image attached below, in triangle ABC, AB = 15, AC = 20 while in triangle ADE, AD = 12 and AE = 16

Two triangles are said to be similar if they have the same shape, that is either their corresponding angles are the same or their corresponding sides are proportional.

For both triangle ABC and triangle ADE, they have the same angle which is ∠A. Also:

\frac{AD}{AB}=\frac{12}{15}=\frac{4}{5}

\frac{AE}{AC}=\frac{16}{20}=\frac{4}{5}

Since two sides of triangle ABC are in the same proportion as two sides of triangle ADE and they have the same angle, therefore they are similar based on the SAS  (side-angle-side) similarity

4 0
3 years ago
Find the number of distinct triangles with the measurements a = 5, b =2, and a = 51 degrees.
elixir [45]
The answer is the option b. 1.

Two sides and one angle determine one unique triangle.

If the angle is the between the two sides, you just can use the rule known as SAS, Side Angle Side.

When that is the case you use the cosine rule.

When the known angle is not between the two sides but one of the others, you use sine theorem.

Then in any case when you know two sides and one angle of a triangle the other side and angles are determined, which implies that there is only one possible triangle.
4 0
3 years ago
Find the length of square field whose area is 46.24m2​
Mazyrski [523]

Answer:

answer is <u>6.8 m</u>

Step-by-step explanation:

√46.24 m

= 6.8 m

4 0
3 years ago
What’s 2.95 as a percent
hichkok12 [17]

Answer:

295%

Step-by-step explanation:

4 0
3 years ago
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The question where is it
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3 years ago
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