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Natasha2012 [34]
4 years ago
9

1. which of these numbers is divisible by 12?

Mathematics
2 answers:
erica [24]4 years ago
8 0
1. The only number divisible by 12 is 6 because 6 is the only number 12 can be divided by 

2. None of the choices are correct because 14 cannot be divided by any of the options. Although still incorrect, the closest answer to the question is 56, because 56 is a MULTIPLE of 14. 
. 
Gala2k [10]4 years ago
6 0
1. 6 is the answer
2. 56 is divisible by 14
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1. Vocabulary What operations have inverse relationships?
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Answer:

Addition and subtraction are inverse operations, Multiplication and division are inverse operations.Another pair of inverse mathematical operations is raising a number to an exponent "n" and taking the nth root of the number.

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A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 180 lb and each bo
grigory [225]

Answer:

The delivery person can bring up max 16 boxes at one time.

Step-by-step explanation:

The elevator can only hold max 850 lbs, and the delivery man weighs 180 lbs.

850-180=670

That means the delivery man can have up to 670 lbs of boxes on the elevator.

670/40=16.75

Which means that the delivery man can hold up to 16 boxes max at one time.

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3 years ago
On an international​ exam, students are asked to respond to a variety of background questions. For the 41 nations that participa
nignag [31]

Answer:

Correlation is a measure of linear relationship.

Step-by-step explanation:

We are given that a correlation of 0.793 was found between the items answered and the mean score in a test.

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8 0
3 years ago
Which combination of numbers in this group has the highest value? 4 + (-4), 4*|-2|, -4 * |2|, | -4 | * (-2), 4 + 2
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3 years ago
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The equation p(t) = 1.e represents a
zvonat [6]

Answer:

(b), (d) and (e)

Step-by-step explanation:

Given

p(t) = 1 * e^t

See attachment for y = p(t)

Required

Select true statements from the given options

(a) \ln(30) = days the bacteria reaches 30000

We have:

p(t) = 1 * e^t

In this case:

t = \ln(30) and p(t) = 30000

So, we have:

30000 = 1 * e^{\ln(30)}

30000 = e^{\ln(30)}

Using a calculator, we have:

e^{\ln(30)} = 30

So:

30000 = 30

The above equation is false.

(a) is not true

(b) The graph shows that \ln(20) \approx 3

We have:

p(t) = 1 * e^t

Let t = 3

So;

p(3) = 1 * e^3

From the graph, p(3) = 20

So:

20 = 1 * e^3

20 = e^3

Take natural logarithm of both sides

\ln(20) = \ln(e^3)

This gives:

\ln(20) = 3

(b) is true

(c) \ln(t) = y is the logarithm form of y = e^t

We have:

y = e^t

Take natural logarithm of both sides

\ln(y) = \ln(e^t)

This gives:

\ln(y) = t

\ln(y) = t  \ne \ln(t) = y

(c) is false

(d) e^4 > 50 and  \ln(50) < 4

From the graph, we have:

e^4 = 54 --- rough readings

This implies that:

e^4 > 50 is true

Because 54 > 50

Take natural logarithm of both sides

\ln(54) > \ln(50)

Rewrite as:

\ln(50) < \ln(54)

We have:

e^4 = 54

Take natural logarithm of both sides

\ln(e^4) = \ln(54)

4 = \ln(54)

\ln(54) = 4

Substitute \ln(54) = 4 in \ln(50) < \ln(54)

\ln(50) < 4

(d) is true

(e) The graph shows that 10 \approx \ln(2.3)

We have:

p(t) = 1 * e^t

Let t = 2.3

So;

p(2.3) = 1 * e^{2.3}

From the graph,

p(2.3) = 10 ---- rough readings

So:

10 = 1 * e^{2.3}

10 = e^{2.3}

Take natural logarithm of both sides

\ln(10) = \ln(e^{2.3})

This gives:

\ln(10) = 2.3

(e) is true

4 0
3 years ago
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