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nekit [7.7K]
2 years ago
11

WILL MARK BRAINLIEST AND GIVE 100 POINTS! WILL REPORT IF INCORRECT

Mathematics
1 answer:
grigory [225]2 years ago
5 0

please refer to this image

please don't report this answer if it is wrong

but if its correct so please mark me as brainlist

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Sin(20)=x/670 ????????
mash [69]

Answer:

229.2

Step-by-step explanation:

Remark

There's a lot in this question. The x is not just any x. It is defined and limited by its relationship with the sine function.

The Sin is defined as Opposite over Hypotenuse in a right triangle. The 670 is the Hypotenuse. You know that by the definition of Sine.

So one thing you should always keep in mind: the x because of where it is in the definition, will always be smaller than the Hypotenuse. So you should get a value less than 670.

Formula

Just as you have it

Sin(20) = x / 670

Solution

Multiply both sides by 570

670 * sin(20) = x

sin(20) = 0.3420

x = 670 * 0.3420

x = 229.2

6 0
2 years ago
Tom knows that in his school 10 out of every 80 students are left-handed. There are 384 students in toms school. How many studen
Vika [28.1K]
Answer:

C (48)

explanation:

firstly, divide 384 by 80. This gives you 4.8. So, since 10 out of every 80 students are left handed we have to times 4.8 by 10 which gives you 48.
4 0
3 years ago
A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 52t - 16t^2 . What i
Nata [24]

Answer: 42.25 feet

Step-by-step explanation:

We know that after "t" seconds, its height "h" in feet is given by this function:

h(t) = 52t -16t^2

The maximum height is the y-coordinate of the vertex of the parabola. Then, we can use the following formula to find the corresponding value of "t" (which is the x-coordinate of the vertex):

x=t=\frac{-b}{2a}

In this case:

a=-16\\b=52

Substituting values, we get :

t=\frac{-52}{2(-16)}\\\\t=1.625

Substituting this value into the function to find the maximum height the ball will reach, we get:

h(1.625) = 52(1.625) -16(1.625)^2\\\\h(1.625) =42.25\ ft

4 0
2 years ago
Read 2 more answers
motel clerk counts his $1 and $10 bills at the end of a day. He finds that he has a total of 57 bills having a combined monetary
madreJ [45]
You can use a matrix equation to discover that the motel clerk has 45 $1 bills and 12 $10 bills.
4 0
3 years ago
The numbers 360 and 400, written as the product of its prime factors, are
Stolb23 [73]

Answer:

20

Step-by-step explanation:

3 0
3 years ago
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