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HACTEHA [7]
2 years ago
15

How to use a trigonometric function to find the value of X

Mathematics
1 answer:
Advocard [28]2 years ago
3 0
Use<span> your calculator to </span>find the value<span> of and the triangle to set up the ratio on the right. Solving the equation and rounding to the nearest tenth gives you . To </span>find<span> y, you can either </span>use<span> another </span>trigonometric function<span> (such as </span>cosine<span>) or you can </span>use <span>the Pythagorean Theorem.</span>
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Solve - 9/2y=27/2 for y.
dedylja [7]

Answer:

It’s y = 3

Step-by-step explanation:

Solve for y by simplifying both sides of the equation, then isolating the variable.

5 0
3 years ago
David did not notice the multiplication sign between two three-digit numbers and wrote one six-digit number, which is equal to s
IRISSAK [1]

1) We can get that number hit and trial method.

It is said that "two three-digit numbers and wrote one six-digit number, which is equal to seven times their product".

Let us check number 143.

If we write 143 two times without any sign in between , we get 143143 ( a six digit number).

But if we multiply 143 × 143 , we get 20449.

7 times of 20449 equals 143143.

<h3>Therefore, the required three digit number is 143.</h3>

2) Let us assume required prime numbers are a, b and c.

Product of a, b and c= abc.

Sum of a, b and c = a+b+c.

"Their product is five times greater than their sum."

Therefore,

abc = 5(a+b+c)  ----------------------equation (1)

Now, let us take first prime numbers 2 and second 5.

Plugging a=2 and b=5.

2×5×c = 5(2+5+c).

10c = 5(7+c)

10c = 35 +5c.

Subtracting 5c from both sides, we get

10c-5c = 35 +5c-5c.

5c = 35.

Dividing both sides by 5, we get

c=7.

Therefore, first "cool" triple is 2,5,7.

Let us check by taking a=2 and b=7.

Plugging a=2 and b=7 in equation (1), we get

2×7×c = 9(2+7+c).

c=9. But it's not a prime number.

Let us take a=2 and b=11, we get

2×11×c = 11(2+11+c).

c=13   (A prime)

If we take a=2 and b=17, we get

2×17×c = 17(2+17+c).

c=19   (A prime).

<h3>On the same way, if we continue the process, we can get many "cool" triples.</h3>


4 0
3 years ago
there were 6 inche of snow on the street.After a storm, the snow increased by 2/3 of the original amount. After a sunny day, 2/3
Eddi Din [679]

Answer:

6 inches.

Step-by-step explanation:

plus 2/3 and minus 2/3

5 0
3 years ago
How do you find area of a trapezoid I will mark brainliest for the most explained and simple answer!!!!
kakasveta [241]

Answer:

A = ((a+b)/2)h

Step-by-step explanation:

a and b are base (the top and bottom)

h is height

7 0
3 years ago
A cashier has three more dimes than nickels and twice as many nickels as quarters find the number of each kind of coin if the to
galina1969 [7]

Answer:

123

Step-by-step explanation:do mth

5 0
2 years ago
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