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Mrrafil [7]
3 years ago
13

Christina is planning a dance routine. at the end of each measure of music, she will make a 1 1/4 turn. how many turns will she

make after the first 3 measures of music
Mathematics
1 answer:
ANEK [815]3 years ago
8 0
1 \frac{1}{4} is equal to \frac{5}{4}  ( \frac{4}{4} +  \frac{1}{4} ). To get your answer all you need to do is multiply the numerator 5, by the number of times Christina goes through the routine. You therefore get the answer:
\frac{5*3}{4} =  \frac{15}{4}
this simplifies to 3 \frac{3}{4}
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Use the discriminant to describe the roots of each equation. Then select the best description.
Paha777 [63]

The <em>quadratic</em> equation 3 · x² + 7 · x - 2 = 0 has a <em>positive</em> discriminant. Thus, the expression has two <em>distinct real</em> roots (<em>real</em> and <em>irrational</em> roots).

<h3>How to determine the characteristics of the roots of a quadratic equation by discriminant</h3>

Herein we have a <em>quadratic</em> equation of the form a · x² + b · x + c = 0, whose discriminant is:

d = b² - 4 · a · c     (1)

There are three possibilities:

  1. d < 0 - <em>conjugated complex</em> roots.
  2. d = 0 - <em>equal real</em> roots (real and rational root).
  3. d > 0 - <em>different real</em> roots (real and irrational root).

If we know that a = 3, b = 7 and c = - 2, then the discriminant is:

d = 7² - 4 · (3) · (- 2)

d = 49 + 24

d = 73

The <em>quadratic</em> equation 3 · x² + 7 · x - 2 = 0 has a <em>positive</em> discriminant. Thus, the expression has two <em>distinct real</em> roots (<em>real</em> and <em>irrational</em> roots).

To learn more on quadratic equations: brainly.com/question/2263981

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7 0
2 years ago
NO LINKS!! Please help me with this Geometry part 15​
avanturin [10]

The converse statement  is; If I have two ears, then I am a bunny

The inverse statement  is; "If I am not a bunny, then I don't have two ears."

The contrapositive statement is; If I don't have two ears, then I am not a bunny.

<h3>How to Interpret Conditional Statements?</h3>

A conditional statement is a statement that can be written in the form “If P then Q,” where P and Q are sentences

We are given the conditional statement;

If I am a bunny, then I have two ears

To form the converse of the conditional statement, we will interchange the hypothesis and the conclusion. The converse statement of "If it rains, then they cancel school" is expressed as "If they cancel school, then it rains."

Thus, the converse of our statement "If I am a bunny, then I have two ears." is;

If I have two ears, then I am a bunny

To form the inverse statement of the conditional statement, we will take the negation of both the hypothesis and the conclusion. The inverse of “If it rains, then they cancel school” is expressed as “If it does not rain, then they do not cancel school.”

Thus, the inverse of our statement "If I am a bunny, then I have two ears." is;

"If I am not a bunny, then I don't have two ears."

The contrapositive of our conditional statement is;

If I don't have two ears, then I am not a bunny.

Read more about Conditional Statements at; brainly.com/question/11073037

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4 0
1 year ago
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What is 1 plus 1 plus zero plus zero
Travka [436]

Answer:

Hey there!

1+1+0+0

2+0+0

2+0

2

Hope this helps :)

3 0
3 years ago
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meg has a new bookcase for her bedroom eith 6 shelves. Each shelf holds 8 books. If meg has 50 book, how many books will not fit
jeka57 [31]

Answer:

2

Step-by-step explanation:

6 shelves x 8 books = 48 books

8 0
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When a figure is translated on a coordinate grid, what conclusion can you draw from the pre-image and image? (2 points) Group of
Nataly [62]

Answer:

B.the size of the figures change

Step-by-step explanation:

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