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astra-53 [7]
3 years ago
13

The point (1, –5) is reflected across the y-axis.

Mathematics
2 answers:
noname [10]3 years ago
5 0

Step-by-step explanation:

the answer is C -1 -5 this will help

Anuta_ua [19.1K]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Under a reflection in the y- axis

a point (x, y ) → (-x, y ), thus

(1, - 5 ) → (- 1, - 5 ) → C

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Which of the following is an example of an aerobic activity that improves cardiovascular endurance?
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I would think he answer would be c. Yoga
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Answer:

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1 year ago
Angelica says the tangent is the ratio of the length of the leg opposite angle A ∠ A over the length of the leg adjacent to angl
Tpy6a [65]

Based on the trigonometry ratios and the Pythagorean theorem both of them were incorrect.

Cos A = 4/5; Sin A = 3/5

<h3>What is the Trigonometry Ratios?</h3>

The Trigonometry ratios relates the length of the sides of a right triangles. They are given as:

  • Sine ratio, sin ∅ = opp/hyp
  • Cosine ratio, cos ∅ = adj/hyp
  • Tangent ratio, tan ∅ = opp/adj.

<h3>What is the Pythagroean Theorem?</h3>

If two sides of a right triangle are known the third side can be determined using the Pythagorean theorem, which is given as, c² = a² + b², where and b are legs, and c is the hypotenuse of the right triangle.

1. Given that tan A = 3/4, it is not necessarily true that BC MUST have a length of 3 units, and AC MUST have a length of 4 units, because:

If BC = 9 units and AC = 12 units, the it will give us the same tangent ratio as:

tan A = 9/12 = 3/4.

Therefore, Angelica's mistake is stating that BC MUST be 3 units, and AC MUST be 4 units.

2. Knowing two length of the sides of a right triangle is enough information needed to find the length of the third side using the Pythagorean theorem, so Graceilla is incorrect.

3. Find AC using the Pythagorean theorem:

AB = √(3² + 4²)

AB = 5 units.

Cos A = adj/hyp = AC/AB

Cos A = 4/5

Sin A = opp/hyp = BC/AB

Sin A = 3/5

Learn more about the trigonometry ratios on:

brainly.com/question/10417664

3 0
2 years ago
Which could be the area of the base of the triangular prism?     [Not drawn to scale]6 ft210 ft212 ft220 ft2
Alexus [3.1K]
For this case, the first thing we must observe is that the base of the prism is a triangle.
 The area of the triangle is given by:
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 Where,
 b: base of the triangle
 h: height of the triangle
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 Answer:
 
The area of the base of the triangular prism could be:
 
A = 6 ft ^ 2
6 0
3 years ago
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