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Ipatiy [6.2K]
3 years ago
7

Triangle MNO is similar to triangle MꞌNꞌOꞌ. Segment MN is 2 units and segment MꞌNꞌ is 8 units. Which scale factor was used to di

late triangle MNO to form triangle MꞌNꞌOꞌ?

Mathematics
2 answers:
Simora [160]3 years ago
7 0

My answer is the same as the one above.

Over [174]3 years ago
3 0
In getting the scale factor, use the formula:
Scale factor = big / small
Scale factor = 8 / 2
Scale factor = 4 units
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Jane will draw one card from the regular deck of 52 cards. In how many ways can she choose a jack or a black card?
elena-s [515]

Answer:

28

Step-by-step explanation:

In a regular 52 card deck, 26 are black (clubs or spades).  Additionally, there are two red jacks (diamonds and hearts).  This equals 28/52.  As a probability, it would be 28/52=14/26=7/13.  This could also be expressed as a percentage or decimal.  0.538 or 53.8%.  But the question asks <em>how many ways</em> can she choose a jack or black card, so I’m assuming they don’t want the probability, just the number, which is 28.

3 0
3 years ago
Read 2 more answers
The slope of a line is 5/9 and the slope of another line is -975. The two lines<br> are
Bond [772]

Answer:

the third option - they are perpendicular to each other.

Step-by-step explanation:

for a perpendicular slope we need to exchange the x and y values (remember, a slope is the ratio of y/x) and flip the sign.

and that is exactly what happened here.

3 0
2 years ago
Ariana bought 7 muffins she paid 13.02 how much did each muffin cost
nalin [4]

Answer:

About $1.86

Step-by-step explanation:

It could be rounded to $1.90.

5 0
3 years ago
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The director of a state agency believes that the average starting salary for clerical employees in the state is less than $30,00
ss7ja [257]

Answer:

The test statistics is   z = -1  

Step-by-step explanation:

From the question we are told that

   The sample size is  n  =  100

  The null hypothesis  is  H_o : \mu = \$30000

   The alternative hypothesis is  H_a  :  \mu  < \$ 30000

   The sample mean is  \= x  = \$29,750

    The standard deviation is  \sigma  = \$2,500

    The level of significance is  \alpha =0.05

Generally the test statistics is mathematically represented as

        z = \frac{\= x - \mu }{ \frac{ \sigma}{ \sqrt{n} } }

=>      z = \frac{29750 - 30000 }{ \frac{ 2500}{ \sqrt{100} } }

=>      z = -1    

7 0
3 years ago
TENNIS In tennis, the Grand Slam tournaments
marin [14]
Nadal = federer-3 = 17-3 = 14
5 0
2 years ago
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