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34kurt
3 years ago
14

2/9 of the students are in sixth-grade

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

a. 20

b. 60

Step-by-step explanation:

For this problem you could want to multiply 2/9 and 90, to get the first one, and the second one by doing 2/9 times 270, and since 270 is 3 times as much as 90, you could just multiply your first answer by 3.

hope this helps!

Lesechka [4]3 years ago
3 0

Answer:

19.8/90

59.4/270

Step-by-step explanation:

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Murljashka [212]
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5 0
3 years ago
Read 2 more answers
Three trigonometric functions for a given angle are shown below. Sine theta = Negative StartFraction 77 Over 85 EndFraction, cos
Likurg_2 [28]

Trigonometric functions are the ratio of the different sides of a right-angled triangle. We can say that the coordinates of the point are (-77, 36).

<h3>What are trigonometric functions?</h3>

Trigonometric functions are the ratio of the different sides of a right-angled triangle.

\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}

where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite to the 90° angle.

Given to us

Sin(\theta) = \dfrac{-77}{85}

Cos(\theta) = \dfrac{36}{85}

Tan(\theta) = \dfrac{-77}{36}

As we know that the Tangent(Tan) is the ratio of perpendicular and base. therefore, we can write the function as,

\rm Tan(\theta) = \dfrac{Perpendicular}{Base} = \dfrac{-77}{36}

therefore, the length of the perpendicular is 77, while the length of the base is 36.

As given to us that the value of sin is negative, therefore, the perpendicular will be on the negative side of the y-axis. While the value of cos is positive, therefore, the base will be on the positive side of the x-axis.

Thus, we can say that the coordinates of the point are (-77, 36).

Learn more about Trigonometric functions:

brainly.com/question/6904750

8 0
2 years ago
Read 2 more answers
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zalisa [80]
The ratio of the areas  is the ratio of the squares of the sides ( which is 10:15  or 2:3)  so the answer is
2^2 : 3^2  = 4:9.

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8 0
3 years ago
Please help with this question
yaroslaw [1]

Answer:

25%

Step-by-step explanation:

find how many possible combinations (20) find how many combinations with tomato sauce(5) divide 5/20 which is .25 and to find this in a percent multiply by 100 to find 25%

3 0
3 years ago
What value of n makes this expression equal to 6?<br><br> 3n - (2 + n)
SVEN [57.7K]

Answer:

4

Step-by-step explanation:

3n-2-n=6

2n-2=6

2n=8

n=4

5 0
3 years ago
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