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3 years ago

what 2 numbers can be multiplied to equal 18 but can also be subtracted or added to each other to equal 9

Mathematics

2 answers:

Katena32 [7]3 years ago

8 0

3 x 6 = 18

3+ 6 - 9

Ludmilka [50]3 years ago

4 0

It would be 3*6=18 3+6=9

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Can someone pls help me?

Ilya [14]

Answer:

$\frac{2 ln(5) }{3 ln(2) }$

Step-by-step explanation:

$log_{8}(25) = \frac{ ln(25) }{ ln(8) } = \frac{ ln( {5}^{2} ) }{ ln( {2}^{3} ) } = \frac{2 ln(5) }{3 ln(2) }$

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1 year ago

Orders for a computer are summarized by the optional features that are requested. The proportion of orders with no optional feat

Scorpion4ik [409]

Answer:

(a) 71.00%

(b) 63.00%

Step-by-step explanation:

No optional features = 0.29

One feature = 0.34

Two features = 0.37

(a) The probability that an order requests at least one optional feature is 100% minus the probability of an order requesting no optional features:

$P=1-0.29=0.71=71.00\%$

(b) The probability that an order does not request more than one optional feature is 100% minus the probability of an order requesting two optional features:

$P = 1 -0.37=0.63 = 63.00\%$

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3 years ago

60 miles = kilometers

Nadya [2.5K]

Answer:

60 miles is 96.6 kilometers

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

In class A, John got 85 for his first test John's class mean was 75 and standard deviation was 5. In class B, Kathy got 80 in he

ivanzaharov [21]

Answer:

b. Kathy

Step-by-step explanation:

We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula

$\frac{x - \mu}{\sigma}$

For John he is (85 - 75)/5 = 2.

For Kathy she is (80 - 50)/10 = 3.

Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.

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2 years ago

Specify what an individual unit is in each of the following studies. Then specify what two variables were measured on each unit.

r-ruslan [8.4K]

Answer:

a) Unit: College Student

Variables of measurement: Procrastination and illness habits.

b) Unit: SUV cars

Variables: Manufacturing and car damage for two car manufactures.

Step-by-step explanation:

We are given the following in the question:

In a research, a unit is a single individual or object that is measured.

a) A study finds that college students who often procrastinate tend to be sick more often than students who do not procrastinate.

Since college students are asked about procrastination, then the unit in this study is college students.

Unit: College Student

Variables of measurement: Procrastination and illness habits.

b) A study finds that sport utility vehicles (SUVs) made by one car manufacturer tend to be more heavily damaged in a crash test than SUVs made by a second car manufacturer.

Since all SUVs cars are considered, the unit in this research is SUV cars

Unit: SUV cars

Variables: Manufacturing and car damage for two car manufactures.

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3 years ago