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Studentka2010 [4]
2 years ago
15

A rotation is a transformation where an object move

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
7 0

Let's rephrase this:

Here:

There are 3 geometric transformations:

1. Rotation

Shapes are rotated or turned around an axis.

2. Reflection

Shapes are flipped across an imaginary line to make mirror images.

3. Translation

Shapes are slid across the plane.

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A brand of cereal had 1.21, , 2 milligrams of iron per serving. Then they changed their recipe so they had 1.81 , 8, of iron per
sergeinik [125]

Answer:

49.58 percents increase in iron

Step-by-step explanation:

  • Step 1: get the difference between the two cecreals: 1.81 - 1.21 = 0.6 mg

  • Step 2: divide the difference by the original number and then multiply the quotient by 100 to get the percentage % of increase = (0.6/1.21) * 100 = 49.58%

So there are 49.58 percents increase in iron

3 0
3 years ago
Read 2 more answers
What is 1 +1+!+!+!+!
Liula [17]

Answer:

6

Step-by-step explanation:

1+1+1+1+1+1 = 6

4 0
3 years ago
Which expression is not equivalent to 3 times a times r
Paladinen [302]

The last one

Step-by-step explanation:

The last one is dividing.

5 0
3 years ago
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Enter the value for x that makes the equation 4x-2+3x-7 true <br><br>​
expeople1 [14]

Answer:

I think the answer is

x =  \frac{9}{7}

Step-by-step explanation:

Reason :

4x - 2 + 3x - 7 = 0 \\ collect \: like \: terms \\ 4x + 3x - 7 - 2 = 0 \\ 7x - 9 = 0 \\ 7x = 9 \\ x =  \frac{9}{7}

Therefore

x =  \frac{9}{7}

3 0
3 years ago
Please help. How do you find cosine, sine, cosecant and secant with this triangle? ​
Veseljchak [2.6K]

Hi there! You have to remember these 6 basic Trigonometric Ratios which are:

  • sine (sin) = opposite/hypotenuse
  • cosine (cos) = adjacent/hypotenuse
  • tangent (tan) = opposite/adjacent
  • cosecant (cosec/csc) = hypotenuse/opposite
  • secant (sec) = hypotenuse/adjacent
  • cotangent (cot) = adjacent/opposite
  • cosecant is the reciprocal of sine
  • secant is the reciprocal of cosine
  • cotangent is the reciprocal of tangent

Back to the question. Assuming that the question asks you to find the cosine, sine, cosecant and secant of angle theta.

What we have now are:

  • Trigonometric Ratio
  • Adjacent = 12
  • Opposite = 10

Looks like we are missing the hypotenuse. Do you remember the Pythagorean Theorem? Recall it!

  • a²+b² = c²

Define that c-term is the hypotenuse. a-term and b-term can be defined as adjacent or opposite

Since we know the value of adjacent and opposite, we can use the formula to find the hypotenuse.

  • 10²+12² = c²
  • 100+144 = c²
  • 244 = c²

Thus, the hypotenuse is:

\large \boxed{c = 2 \sqrt{61} }

Now that we know all lengths of the triangle, we can find the ratio. Recall Trigonometric Ratio above! Therefore, the answers are:

  • cosine (cosθ) = adjacent/hypotenuse = 12/(2√61) = 6/√61 = <u>(6√61) / 61</u>
  • sine (sinθ) = opposite/hypotenuse = 10/(2√61) = 5/√61 = <u>(5√61) / 61</u>
  • cosecant (cscθ) is reciprocal of sine (sinθ). Hence, cscθ = (2√61/10) = <u>√61/5</u>
  • secant (secθ) is reciprocal of cosine (cosθ). Hence, secθ = (2√61)/12 = <u>√</u><u>61</u><u>/</u><u>6</u>

Questions can be asked through comment.

Furthermore, we can use Trigonometric Identity to find the hypotenuse instead of Pythagorean Theorem.

Hope this helps, and Happy Learning! :)

5 0
3 years ago
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