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zloy xaker [14]
3 years ago
5

Joanne's bus was 27 minutes late tonight. She called to say she would be about a half hour late for dinner. Explain why this was

correct
Mathematics
2 answers:
zimovet [89]3 years ago
6 0
Because she told them how many hours she would be late
klemol [59]3 years ago
4 0
This is correct, because it takes 27 minutes to get home so it will probably be about 30 minutes.
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What do you call to the set of ordered pairs
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Answer:

A relation is a set of ordered pairs. The set of all first components of the ordered pairs is called the domain of the relation and the set of all second components of the ordered pairs is called the range of the relation.

Step-by-step explanation:

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Simplify the expression.
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Answer:

C. \huge\frac{1}{3x {y}^{2}  {z}^{4}}

Step-by-step explanation:

(9 {x}^{2}  {y}^{4}  {z}^{8} )^{  - \frac{1}{2} }  \\   \\  = ( {3}^{2}  {x}^{2}  {y}^{4}  {z}^{8} )^{  - \frac{1}{2} }  \\  \\  =  \frac{1}{( {3}^{2}  {x}^{2}  {y}^{4}  {z}^{8} )^{ \frac{1}{2} }}  \\  \\  =  \frac{1}{(3x {y}^{2}  {z}^{4})^{2 \times  \frac{1}{2} }  }  \\  \\  =  \frac{1}{3x {y}^{2}  {z}^{4}} \\  \\  \red{ \bold{ \therefore \: (9 {x}^{2}  {y}^{4}  {z}^{8} )^{  - \frac{1}{2} } =  \frac{1}{3x {y}^{2}  {z}^{4}} }}\\

7 0
3 years ago
In a horse race, the odds in favor of the first horse winning in an 8-horse race are 2 to 5. The odds against the second horse w
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The probability that the first horse wins is 2/7. The probability that the second horse wins is 3/10. Since the events that the first horse wins and the second horse wins are shared exclusive, the probability that either the first horse or the second horse will win is :

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4 0
3 years ago
Pls help!!! only 20 minutes left pls help 100 point math question
Oksi-84 [34.3K]

Step-by-step explanation:

To find a ratio, you have to divide a next terms with before terms.

A1 = 35/2

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ratio = A2 ÷ A1

ratio = 7 ÷ 35/2

ratio = 7 × 2/35

ratio = 14/35 = 0,4

Ratio = 0,4

3 0
2 years ago
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