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3 years ago

please do my question u get more points if the answer is right. if inappropriate you get reported NO LINKS and please EXPLAIN

Mathematics

1 answer:

Lunna [17]3 years ago

5 0

Answer:

600

Step-by-step explanation:

Well, first you need to make a proportion which will be $\frac{x}{6,000} = \frac{10}{100}$

x is what we need to find

6,000 is the total people who voted

10% is the percent of 18 to 29 years old

and 100% represents the circle graph because all circle graphs equal 100%

First, we use the cross multiply method, for instance, 6,000×10=60,000

Next, divide 60,000÷100 which is 600.

Therefore there are 600, 18 to 29 year olds who voted in the election.

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In JKL, k=4.1 cm,j=3.8 cm and angle J=Q3^ Find all possible values of angle K , to the nearest inch of a degree .

spayn [35]

Answer:

74.0°

Step-by-step explanation:

In triangle JKL, k = 4.1 cm, j = 3.8 cm and ∠J=63°. Find all possible values of angle K, to the nearest 10th of a degree

Solution:

A triangle is a polygon with three sides and three angles. Types of triangles are right angled triangle, scalene triangle, equilateral triangle and isosceles triangle.

Given a triangle with angles A, B, C and the corresponding sides opposite to the angles as a, b, c. Sine rule states that for the triangle, the following holds:

$\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}$

In triangle JKL, k=4.1 cm, j=3.8 cm and angle J=63°.

Using sine rule, we can find ∠K:

$\frac{k}{sin(K)}=\frac{j}{sin(J)} \\\\\frac{4.1}{sin(K)}=\frac{3.8}{sin(63)} \\\\sin(K)=\frac{4.1*sin(63)}{3.8}\\\\sin(K)=0.9613\\\\K=sin^{-1} (0.9613)\\\\K=74.0^o \\$

6 0

3 years ago

Factor completely 6n^2-18n

lubasha [3.4K]

6n^2-18n

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3 years ago

Statements about regression

galben [10]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

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It is true because Its coefficient with Standardized Regression, beta, will have the same value as r, the approximate similarity.
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3 years ago

Question #7

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Answer:

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Step-by-step explanation:

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