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4 years ago

Match each statement to the correct word or phrase below.

Mathematics

2 answers:

Bad White [126]4 years ago

4 0

Answer:

1. books - the first place to look when researching a speech.

2. encyclopedia - collection of related ideas.

3. almanac - provides statistical information on a variety of subjects.

4. atlas - provides geographical data.

5. periodical - source of current information.

6. newspaper - source of current international, national, and local news list of related sources.

7. bibliography - most commonly used reference work.

8. mind map - list of related sources

9. thesis - statement a one-sentence summary of the speech

10. statement of purpose - identifies the expected reaction or response of the audience.

babymother [125]4 years ago

3 0

Answer:

1. books | the first place to look when researching a speech-by-step explanation

2. encyclopedia | source of current information

3. almanac | provides statistical information on a variety of subjects

4. atlas | provides geographical data

5. periodical | most commonly used reference work

6. newspaper | source of current international, national, and local news

7. bibliography | list of related sources

8. mind map | collection of related ideas

9. thesis statement | a one-sentence summary of the speech

10. statement of purpose | identifies the expected reaction or response of the audience

Explanation:

1. Books are written texts which contain mostly all the detailed information, hence its the first place to look when researching for a speech

5. Periodicals are mainly journals, articles or magazines so we often use it as reference

8. Mind map is usually collection of all many ideas, major ideas.

9. Thesis statement is used at the first paragraph of an essay or speech which usually summarizes the entire speech in one sentence.

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Beethoven wrote 9 symphonies, Mozart wrote 27 piano concertos, and Schubert wrote 15 string quartets. (i) If a university radio

Oduvanchick [21]

Answer:

This can be done in 3645 ways

Step-by-step explanation:

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

In this problem, we have that:

1 Beethoven symphony, from a set of 9.

1 Mozart concerto, from a set of 27.

1 string quartets, from a set of 15.

$P_{(9,1)}*P_{(27,1)}*P_{(15,1)} = \frac{9!}{(9-1)!}*\frac{27!}{(27-1)!}*\frac{15!}{(15-1)!} = 3645$

This can be done in 3645 ways

4 0

3 years ago

A hiker walks at a speed of 3 2/5 km per hour. How many km will the hiker walk in 40 min?

ohaa [14]

Answer:

2 4/15 km

Step-by-step explanation:

We know from the above question that:

A hiker walks at a speed of 3 2/5 km per hour.

Step 1

Convert 40 minutes to hour

60 minutes = 1 hour

40 minutes = x

Cross Multiply

60x = 40

x = 40/60

x = 2/3hr

Step 2

How many km will the hiker walk in 40 min?

The above question can be calculated as:

1 hour = 3 2/5km

2/3 hour = x km

Cross Multiply

1 × x km = 2/3 × 3 2/5 km

x km = 2/3 × 17/5 km

x km = 34/15 km

x km = 2 4/15 km

Hence the hiker would walk 2 4/15 km in 4 minutes

8 0

3 years ago

the mass of a sphere made of gold is proportional to the diameter, d, cubed. express the mass m of the sphere as a function of t

elixir [45]

Answer:

m = cd³

Step-by-step explanation:

mass of is proportional to the diam

sphere cubed

Symbolically, this can be written as:

m = cd³

4 0

3 years ago

The equations are written in point-slope form. Which equation represents a line through points (-8, 3) and (2, -3)?

Lubov Fominskaja [6]

The correct answer is B.

8 0

4 years ago

When an amount of heat Q (in kcal) is added to a unit mass (kg) of a

lisov135 [29]

Answer:

The change in temperature per minute for the sample, dT/dt is 71. $\overline {6}$ °C/min

Step-by-step explanation:

The given parameters of the question are;

The specific heat capacity for glass, dQ/dT = 0.18 (kcal/°C)

The heat transfer rate for 1 kg of glass at 20.0 °C, dQ/dt = 12.9 kcal/min

Given that both dQ/dT and dQ/dt are known, we have;

$\dfrac{dQ}{dT} = 0.18 \, (kcal/ ^{\circ} C)$

$\dfrac{dQ}{dt} = 12.9 \, (kcal/ min)$

Therefore, we get;

$\dfrac{\dfrac{dQ}{dt} }{\dfrac{dQ}{dT} } = {\dfrac{dQ}{dt} } \times \dfrac{dT}{dQ} = \dfrac{dT}{dt}$

$\dfrac{dT}{dt} = \dfrac{\dfrac{dQ}{dt} }{\dfrac{dQ}{dT} } = \dfrac{12.9 \, kcal / min }{0.18 \, kcal/ ^{\circ} C } = 71.\overline 6 \, ^{\circ } C/min$

For the sample, we have the change in temperature per minute, dT/dt, presented as follows;

$\dfrac{dT}{dt} = 71.\overline 6 \, ^{\circ } C/min$

8 0

3 years ago