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Oduvanchick [21]
2 years ago
13

What is the period of the function f(x) shown in the graph? Enter your answer in the box.

Mathematics
1 answer:
Anni [7]2 years ago
6 0

period (T): the time it takes to travel one wave

= 2π - (-10π)

= 12π

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Simon must maintain an average grade of 80% or better in his math class to be eligible to play sports.His math grade so far are
Sophie [7]

Answer:

Let x be the percentage score he got in fifth test,

According to the question,

His score in first, second, third and fourth test are 80%, 84%, 76% and 77% respectively,

Thus, the average of his total score in the five test,

= \frac{80+84+76+77+x}{5}

But, Again according to the question,

The average of the five grades as greater than or equal to 80%

That is,

\frac{80+84+76+77+x}{5}\geq 80

⇒ \frac{317+x}{5}\geq 80

⇒ 317 + x \geq 400

⇒ x\geq 83

Thus, the least score he can get in the fifth test is 83.

3 0
3 years ago
Help me please! Will give brainly to correct answer.
marusya05 [52]
Sin(Angle) = Opposite Leg /  Hypotenuse

Sin (Angle B) = 2 / 3

Angle B = Arcsin(2/3)

Angle B = 41.81 degrees.

5 0
2 years ago
Debbie and Dave share 75 smarties in the ratio 8 : 7 . How many smarties do they each get?
Fudgin [204]
8+7=15
75 divided by 15 = 5
Each unit =5
8 x 5 = 40, so Debbie gets 40 smarties
7 x 5 = 35, so Dave gets 35 smarties.
7 0
2 years ago
What is the surface area of a rectangular prism with square bases wirh measurements a= 5 cm ,b= 7cm
vazorg [7]

Answer:

190 cm^2

Step-by-step explanation:

There are 2 congruent square bases: 5 cm * 5 cm * 2 = 50 cm^2

There are 4 congruent rectangular sides: 5 cm * 7 cm * 4 = 140 cm^2

Total surface area: 50 cm^2 + 140 cm^2 = 190 cm^2

7 0
3 years ago
Are 3x²y and -8xy² like terms? How do you know?
julsineya [31]

Answer:

No.

Step-by-step explanation:

Since 3x²y has an x² and -8xy² has a y², they are not like terms. Since they are different terms, you cannot add them together.

7 0
3 years ago
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