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Agata [3.3K]
3 years ago
7

Calculate the velocity of a baseball that travels 100 m in 5 sec.

Mathematics
1 answer:
Maslowich3 years ago
8 0
Divide the distance by the time so 100/5=20 m/s.
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13. Find the exact value of sin 30 ° - sin 45 ° cos 45 ° .<br> a. 0 <br> b. 1/2 <br> c. 1 <br> d. 2
Marianna [84]
sin30^o-sin45^ocos45^o\\\\sin30^o=\frac{1}{2}\\\\sin45^o=cos45^o=\frac{\sqrt2}{2}\\\\sin30^o-sin45^ocos45^o=\frac{1}{2}-\frac{\sqrt2}{2}\cdot\frac{\sqrt2}{2}=\frac{1}{2}-\frac{2}{4}=\frac{1}{2}-\frac{1}{2}=0\\\\Answer:a.
4 0
3 years ago
Read 2 more answers
How can the techniques of factoring be extended to work with higher-degree polynomials?
lions [1.4K]
<h3>Explanation:</h3>

Any techniques that you're familiar with can be applied to polynomials of any degree. These might include ...

  • use of the rational root theorem
  • use of Descartes' rule of signs
  • use of any algorithms you're aware of for finding bounds on roots
  • graphing
  • factoring by grouping
  • use of "special forms" (for example, difference of squares, sum and difference of cubes, square of binomials, expansion of n-th powers of binomials)
  • guess and check
  • making use of turning points

Each root you find can be factored out to reduce the degree of the remaining polynomial factor(s).

4 0
3 years ago
Kay solves the following system of equations using the substitution method.
Vladimir [108]

Answer:

I don't know but if you figure it out tell me. Thanks

Step-by-step explanation:

5 0
3 years ago
By taking  = 3.141 and
Whitepunk [10]

The value of the expression 1/√2 + π where the given parameters are π = 3.141 and  √2 = 1.414 is 3.848

<h3>How to evaluate the expression?</h3>

The given parameters are

π = 3.141

√2 = 1.414

The expression to evaluate is given as:

1/√2 + π

Start by substituting π = 3.141 and √2 = 1.414 in the expressions 1/√2 + π

1/√2 + π = 1/1.414 + 3.141

Evaluate the quotient

1/√2 + π = 0.707 + 3.141

Evaluate the sum

1/√2 + π = 3.848

Hence, the value of the expression 1/√2 + π where the given parameters are π = 3.141 and  √2 = 1.414 is 3.848

Read more about expressions at:

brainly.com/question/723406

#SPJ1

<u>Complete question</u>

By taking π = 3.141 and √2 = 1.414, evaluate 1/√2 + π up to three places of decimals.

8 0
2 years ago
How do you find the area of a circle
Artist 52 [7]
Pi x (radius)^2 = Area of circle

Hope that helps!

5 0
3 years ago
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