Find the value of x
Use sin, cos, or tan

Find The Value Of XUse Sin, Cos, Or Tan

Answers

Answer 1
Answer:   16.5

=========================================================

Explanation:

We use cosine to tie together the adjacent and hypotenuse

cos(angle) = adjacent/hypotenuse

cos(38) = x/21

21*cos(38) = x

x = 21*cos(38)

x = 16.5482258257411

x = 16.5


Related Questions

What’s the range of 27, 28, 34, 34, 40, 43, 47, 50

Answers

Answer:

23

Step-by-step explanation:

you subtract 50 the max number from 27 the Lowest number

Un hombre compra un caballo por 50 dolares. Vende el caballo por 70 dolares. Despues vuelve a compar el caballo por 80 dolares. Y vuelve a venderlo de nuevo por 90 dolares. Al final, ¿cuanto obtuvo de ganancia?

Answers

Answer:

30 dólares es la ganancia neta.

Step-by-step explanation:

En la primera transacción, el hombre está perdiendo 50 dólares:

1. -50 dólares

En la segunda transacción, el hombre gana 70 dólares:

2. -50 + 70 = +20 dólares

En la tercera transacción pierde 80 dólares:

3. 20 - 80 dólares = -60 dólares

Y en la última transacción, la ganancia es de 90 dólares. Así, la ganancia neta es:

4. -60 dólares + 90 dólares =

30 dólares es la ganancia neta

What do u need help with LOL

Answers

Everything lollllllll

What is true when a system of equations has no solution?

Answers

Answer:

the set of possible solutions is the empty set {}.

or, whatever the equations describe is impossible.

or,... there can be many answers, depending on whatever the context of this question is.

Which of the following choices will simplify 1 - 5(3 + 2.3)?
44
-60
-36
None of these choices are correct.

Answers

Given that 1-5(3+2.3)

follow BODMAS

1-15-11.5

-14-11.5

-25.5

Answer: -25.5

Start by adding anything in the parentheses:

-
1 -5(3 + 2.3)

1 - 5(5.3)

Multiply first:

1 - 26.5

Then subtraction:

1 - 26.5= -25.5

A scuba diver used the expression below to describe his position in relation to sea level.2 + (negative 20) + 8Which statement could describe the diver's movements?

Answers

Answer:

Starting on a platform 2 feet above sea level, dive down to a location that is 18 feet below sea level, and then rise 8 feet.

Step-by-step explanation:

Using the 2 + (-20) + 8 to describe movement relative to sea level ;

2 can be taken as the starting point, positive values represents elevation above sea level ;

2 can be taken as 2 feet platform above sea level ;

- 20 represents distance dived from platform, negative signifies elevation below sea level ; the distance dived relative to sea level is (-20 + platform height)

(-20 + 2) = - 18

8 feets means a final elevation of 8 above sea level (positive value).

15 points!

What is the equation of a circle with center (-3,2) and radius 4?

(x - 3)² + (y + 2)² = 16

(x - 3)² + (y + 2)² = 2

(x - 2)² + (y - 3)² = 4

(x + 3)² + (y + 2)² = 2

(x + 3)² + (y - 2)² = 16

(x - 3)² + (y - 2)² = 4

Answers

Answer:

(x+3)² + (y-2)² = 16

Step-by-step explanation:

the equation of a circle is

(x-a)² + (y-b)² = r²

with (a,b) being the center, and r the radius.

Mariano is standing at the top of a hill when he kicks a soccer ball up into the air. The height of the hill is h feet, and the ball is kicked with an initial velocity of v feet per second. The height of the ball above the bottom of the hill after t seconds is given by the polynomial –16t2 + vt + h. Find the height of the ball after 2 seconds if it was kicked from the top of a 60 foot tall hill at 84 feet per second.

Answers

80 feet tall i believe

The height of the ball after 2 seconds is 100 feet.

What is the height function?

A height function exists as a function that quantifies the intricacy of mathematical objects.  The height of an object, h(t), exists defined by the formula [tex]-16 t^{2}[/tex] + vt + h.

Given: Let, the polynomial equation be [tex]-16 t^{2}[/tex] + vt + h

h = 20 ft and v = 72 ft/s

y = [tex]-16 t^{2}[/tex] + 72t + 20

To estimate the height of the ball after 2 seconds

substitute the value of t = 2, then

y = -16 [tex]\times[/tex] 4 + 72 [tex]\times[/tex] 2 + 20

= -64 + 144 + 20

= 100 feet

The height of the ball after 2 seconds is 100 feet.

To learn more about the height of the object

https://brainly.com/question/1509315

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P (-2,6), Q (9,6), R (7, -1), S (-4, -1) are the vertices of a quadrilateral.
i) Using a scale of 1cm to 1 unit on each axis, plot the quadrilateral.

(5 marks)

ii) Name the type of quadrilateral ..........................................

(1 mark)

iii) Reflect the quadrilateral using the line y = -1

Answers

Step-by-step explanation:

Parallelogram

Reflect y=-1 ;x changes sign

Please help thanks! Brainliest
Sorry for spamming.

Answers

Answer: −10

Step-by-step explanation: 9^2−21/−6

81−21/−6

60/−6

−10

Identify the slope and the y-intercept of the graph of the linear equation Y = 2 X - 3/4
A. Slope = 2, y-intercept = -3/4

B. Slope = 3/4, y-intercept = 2

C. Slope = 4, y-intercept = -2

D. Slope = -2, y-intercept = 3

Answers

Answer:

A)

Step-by-step explanation:

slope is the coefficient of the 'x' term and the y-intercept is the constant

what is the inverse of the function f(x) = 4x^3 - 9

Answers

Answer:

[tex]f(x)^-^1=\sqrt[3]{\frac{x+9}{4}}[/tex]

Step-by-step explanation:

Finding the inverse of a function is essentially doing a given function in backwards order. An easy trick to doing such is to treat the evaluation (f(x)) like a variable. Think of the function as an equation, then solve the function for (x) in terms of (f(x)).

[tex]f(x)=4x^3-9[/tex]

Inverse operations,

[tex]f(x)=4x^3-9\\\\(f(x))+9=4x^3\\\\\frac{((f(x))+9)}{4}=x^3\\\\\sqrt[3]{\frac{(f(x))+9}{4}}=x[/tex]

Now put this in the form of an inverse function, switch the places of the terms (x) and (f(x)), remember to indicate that it is an inverse function,

[tex]f(x)^-^1=\sqrt[3]{\frac{x+9}{4}}[/tex]

Inequality for 3x+1>x-1

Answers

Answer:

x>-1

Step-by-step explanation:

solve this normally like a linear equation

3x + 1 >x-1

collect like terms

3x-x>-1-1

2x>-2

x>-2/2

x>-1

Solve the variables. See the photo below.

Answers

Answer:

[tex]x=4; \ y=\frac{8}{\sqrt{3}}.[/tex]

Step-by-step explanation:

1) in the triangle with the angles 45; 90 and 45°: x=4√2/√2=4;

2) in the triangle with the angles 60; 90 and 30°: y=x/sin60°= 4/(√3/2)=8/√3

Answer:

x = 32 y=[tex]\frac{8}{\sqrt{3} }[/tex]

Step-by-step explanation:

solving for x

take 45 degree as reference angle

using sin rule

sin 45 = opposite / hypotenuse

[tex]\frac{1}{\sqrt{2} } = \frac{x}{4\sqrt{2} }[/tex]

do cross multiplication

[tex]4\sqrt{2} * 1 = x * \sqrt{2}[/tex]

[tex]\frac{4\sqrt{2} }{\sqrt{2} } = x[/tex]

root 2 and root 2 gets cancel.Then ,

x = 4

solving for y

take 60 degree as reference angle

using sin rule

sin 60 = opposite / hypotenuse

[tex]\frac{\sqrt{3} }{2} = \frac{x}{y}[/tex]

just now we found the value of x i.e 4 now substitute the value of x here.

[tex]\frac{\sqrt{3} }{2} = \frac{4}{y}[/tex]

do cross multiplication

[tex]2*4 = y * \sqrt{3}[/tex]

[tex]\frac{8}{\sqrt{3} } = y[/tex]

 

A balloon is released from 15 feet above the groundAfter 3 minutes it is 90 feet above the ground. Select the average number of feet par minute (/min) that the balloon rises for the first 3 minutes after it is released

Answers

Answer:

25 feet per min

Step-by-step explanation:

90-15=75

75/3=25

25f/min

A rectangular playground is 8 meters wide. It is 3 times as long as it is wide. What is the area of the playground?​

Answers

Answer: 192

Step-by-step explanation:

3 x 8 = 24

24 x 8 = 192

the GCD of three numbers is 30 and there LCM is 900 Two of the numbers are 60 abd 150 .what is the least possible value of the third number​

Answers

Answer:

180

Step-by-step explanation:

A car travels 76 km in 49 minutes.
What is its average speed in km/h?
Give your answer rounded to 1 decimal place.

Answers

Answer:

Step-by-step explanation:

76 km    *     60 min  = 4560/49 km/hr = 93.1

49 min            1 hour

help please which number goes with each number?
rainbowgoldfish123 maybe u can help

Answers

if u ever need help again, feel free to ask!

Does anybody know this

Answers

Answer:I believe it is Michael

Step-by-step explanation:because In the question it asks you which person enjoys their tea with at least one spoonful of sugar and if you go back to the chart it says Michael has 1 sugar

HELP URGENT PLEASE HELP URGENT!!

Answers

Answer:

C C C C C IF ITS WRONG DONT BLAME ME FOR RUINING YOUR LIFE

16 cm
13 cm
14 cm
CON

Answers

Answer:

84cm^2

Step-by-step explanation:

Por el festival del Día de las Madres, los alumnos de la secundaria José Martí harán arreglos de flores para adornar los salones. Cada arreglo contiene 14 alcatraces, 7 girasoles, 6 orquídeas, 84 rosas, 12 tulipanes, 9 geranios y 33 lilas. Si en la escuela hay 17 salones, ¿cuántas flores deberán comprar en total?V

Answers

Answer:

2805

Step-by-step explanation:

Each arrangement contains 14 calla lilies, 7 sunflowers, 6 orchids, 84 roses, 12 tulips, 9 geraniums, and 33 lilacs. If there are 17 classrooms in the school, how many flowers will they have to buy in total?

This is calculated as:

17 ( 14 calla lilies+ 7 sunflowers + 6 orchids + 84 roses + 12 tulips + 9 geraniums + 33 lilacs)

= 17 × ( 165 flowers)

= 2805 flower

pls help ASAP!
will mark brainliest for correct answer

Answers

Answer:

91

Step-by-step explanation:

Replace x and y with given values

3^3 + 4^3

the third power of three is equal to 27 and the thrid power of 4 is equal to 64

27 + 64 = 91

PLEASE HELP!!! I WOULD REALLY APPRECIATE IT!!

The circle graph shows the percentage of numbered tiles in a box. If each numbered tile is equally likely to be pulled
from the box, what is the probability of pulling out a tile with a 6 on it? (Hit Remember that percents are based out of
100% and probability is represented as a fraction of 100%)
A. 1/20
B. 1/5
C. 1/7

Answers

The answer is A because if there’s at least six then it’s have to be 1/20

Answer:

A

Step-by-step explanation:

because you have to multiple

PLZ ANSWER, I'LL GIVE BRAINLIEST TO BEST EXPLAINATION!!
I need to finish by tonight!

Answers

Answer:

- 1

Step-by-step explanation:

[tex]3 + \sqrt{10 - {3}^{2} } - 5 \\ = 3 + \sqrt{10 - 9} - 5 \\ = 3 + \sqrt{1} - 5 \\ = 3 + 1 - 5 \\ = - 1[/tex]

because 3² = 9

and root {1} = 1

What is the radius of a sphere with a volume of 41572 cm', to the nearest tenth of a
centimeter?

Answers

We know that,

Volume of sphere = 4/3πr³

41572 = 4/3 × 22/7 × r³

41573 × 21/88 = r³

³√9,920.82 = r

21.48 cm = r

:)

The radius of a sphere with a volume of 41572 cm³ is,

⇒ 21.4 cm

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Now, To find the radius of a sphere with a volume of 41572 cm³, we can use the formula for the volume of a sphere as;

⇒ V = (4/3)πr³

where V is the volume and r is the radius.

Hence, We can rearrange this formula to solve for r:

⇒ r = ∛ (3V/4π)

Substituting the given volume, we have:

r = ∛ (3(41572)/4π)

r ≈ 21.4 cm

Therefore, the radius of the sphere to the nearest tenth of a centimeter is 21.4 cm.

Learn more about the multiplication visit:

https://brainly.com/question/10873737

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Solve for. . Write your answer as “x=__”

Answers

Answer:

x=50

Step-by-step explanation:

Since it's a straight line, 3x-20+x=180. 4x=200, x=50

Do not scam or you get reported

Answers

Answer:

.62 cents per box

Step-by-step explanation:

Take the total cost and divide by the number of boxes to get the unit cost

4.98 / 8

.6225 per box

It states to round to the nearest cent

.62 cents per box

Answer:

0.62

Step-by-step explanation:

4.98/8=0.6225

Then you round it and you get 0.62

Solve for x. Help me out because I haven’t been paying attention all year

Answers

Answer:

x = 18

Step-by-step explanation:

(whole secant) x (external part) =  (whole secant) x (external part)

(6+x)6 = (8+10)* 8

6*(6+x) = 8(18)

Divide each side by 6

6+x = 8(18)/6

6+x = 8*3

6+x = 24

Subtract 6 from each side

6+x-6 =24-6

x = 18

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