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IgorLugansk [536]
3 years ago
11

Describe the change in the winning times from 2006 to 2010​

Mathematics
1 answer:
swat323 years ago
3 0
Is there any more information by any chance? Like possibly a table or chart or graph?
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Which of the following functions is equal to sin(90° - )?
scZoUnD [109]
Let <span>sin(90° - )------------------------ > sin (90-x)

</span>sin(a - b<span>) = sin a*cos b - cos a*sin b
</span><span>so
</span>sin(90 - x) = sin 90*cos x - cos 90 * sin x
sin(90 - x) = 1*cos x - 0* sin x-------- > cos x

 the answer is the option <span>D. cos()</span><span>

</span>
8 0
3 years ago
What is 6.9 × 107 written in standard form?
mihalych1998 [28]
6.9 x 10⁷ is a scientific notation.

6.9 x 10⁷ in standard form is 69,000,000

Scientific notation is used to represent very large numbers or very small numbers.

Scientific notation has three parts. Its parts are the coefficient, base of ten, and the exponents.

6.9 is the coefficient
10 is the base of 10
7 is the exponent

The must always be 1 digit before the decimal point in the scientific notation.
The exponent tells us the number of places the decimal point has moved. Its sign tells us the direction of the decimal point's movement.

Since the exponent is positive, it tells us that the decimal point moved from right to left.

69000000. to 6.9000000

If the exponent had a negative sign, it means that the decimal point moved from left to right.

example: 6.9 x 10⁻⁷
its standard form would have been .00000069


3 0
2 years ago
Read 2 more answers
Match each statement to the correct word or phrase below.
babymother [125]

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.

3 0
3 years ago
Read 2 more answers
BRAINLIEST PLEASE HELP!!<br> 6. Find x and the measures of the indicated parts.<br> AS
AleksandrR [38]

Answer:

D

Step-by-step explanation:

Δ CBA and Δ SAR are similar

Thus the ratios of corresponding sides are equal, that is

\frac{CB}{SA} = \frac{CA}{SR} , substituting values gives

\frac{5}{x} = \frac{10}{4} ( cross-  multiply )

10x = 20 ( divide both sides by 10 )

x = 2

Thus

AS = x = 2

6 0
3 years ago
-3.143 = -3140/999<br>True<br>False​
Neporo4naja [7]

Answer:

false

Step-by-step explanation:

5 0
3 years ago
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