Mathematics College

PLEASE HELP ASAP
Let tan(x)=2/5
What is the value of tan(2pi-x)?
5/2
-2/5
2/5
-5/2

Answers

Answer 1

Answer:

-2/5

Step-by-step explanation:

Giventan (x)=2/5To findtan (2pi - x)Solutiontan (2pi - x) = - tan (x) =- 2/5

Correct choice is B

Answer 2

Answer:

Solution given:

tan (2π-x)

=tan (360-x)

=-tanx

we have

tan x=²/5

so

-tan x=-2/5.

Related Questions

Rudolph can fly 5 miles in 12 seconds. At
that rate, how many miles can he fly per
minute?

Answers

Answer:

25 mpm

Step-by-step explanation:

60 devided by 12 = 5

5 times 5 = 25 mpm

Mr. Garrison sold 17 pounds of oranges at the flea market. The oranges
sold for $1.78 per pound.
How much did Mr. Garrison receive for the oranges he sold?

( 1pound = $1.75 )

Answers


Using $1.75 per pound he receives $29.75, but using $1.78 per pound he receives $30.26

factorize 2xy - 8x + 5y -20

Answers

The factors for 2xy - 8x + 5y -20 is ( 2x + 5 ) ( y - 4 ).

Given 2xy - 8x + 5y -20

By writing like terms on one side

2xy - 8x + 5y - 20

By taking common terms outside we get

2x ( y - 4) + 5 ( y - 4)

By taking common terms we get

( 2x + 5 ) ( y - 4 )

Therefore the factors for 2xy - 8x + 5y -20 is ( 2x + 5 ) ( y - 4 )..

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Which expression is equivalent to 6x - 5 - 2x + 1?

Answers

Answer: 4x-4 is the correct answer

Step-by-step explanation that is the correct answer

Madison bought an empty lot for $2000 and later sold it for a 25% profit. how much did she sell it for?

Answers

Madison sold the lot for $2500.
Madison sold the lot for $2,500 this is because 25% of $2,000 is $500

the way you would solve this is move the decimal point of 25% two places so it would look like .25 then, you would multiply these two numbers together getting an answer of $500 Then you would add the $500 to the $2,000 dollars and get the answer of $2,500

Which number line correctly shows 0.8 + 0.3? Help

Answers

Answer:

search it up please :)

Step-by-step explanation:

A life insurance company is offering Anna a $100,000 life insurance policy for
$300. The insurance actuary has calculated that the probability of death within
a year of a 30 year old woman is 0.00064. Determine the expected value of the
insurance policy to Anna.

Answers

Excellent 43.0000
Answer 8747744748848833773737374758

For
every dog
pet store
there are 3 cats at the pet store. What's the ratio?

Answers

Answer:

1/3?

Step-by-step explanation:

Please help , Simplify 3 to the power of 8 divided by 3 to the power of 2

Answers

The bases(3) are same
subtract the exponents 8-2=6
3 to the power 6 (3^6)
3^6 is the answer

hope this helped :)

The expression 3⁸ / 3² is equal to 3⁶.

When dividing two numbers with the same base, we subtract the exponents. In this case, we have:

3⁸ / 3²

To simplify, we subtract the exponent of 3² from the exponent of 3⁸:

3⁽⁸⁻²⁾

3⁶

Therefore, 3⁸ / 3² is equal to 3⁶.

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what is the value of the expression -36 + 7

Answers

Answer:

-29

Step-by-step explanation:

subtract the negative from positve

How oils the following triangle be classified ?
A. Isosceles acute
B. Scalene acute
C. Scalene Antier
D.isosceles obtuse

Answers

B. Scalene acute

the triangle has all different sides and are all less than 90 degrees

Suppose there are 19 students in the class a teacher at 122 pencils and passes them out to the class estimate the number of pencils in each student will receive

Answers

6 i think sorry if im wrong tho

10 minutes to complete helpppp!!!!

Answers

Answer:

that will be the incenter

Step-by-step explanation:

A boat is being towed such that the tow line is at an angle of 30° with respect to the surface of the ocean. If the boat is towed with a force of 50 Newtons for 7,000 meters, approximately how much work is done?

A. 152,000 Joules
B. 175,000 Joules
C. 303,000 Joules
D. 350,000 Joules

Answers

Answer:

C. 303,000 Joules

Step-by-step explanation:

1. use abcos(theta)

a=50

b=7000

theta=30 degrees

2. (50)(7000)cos(30)=303,000

Answer:

C: 303,000 Joules

Step-by-step explanation:

Edge 2020

what is equivalent to 3 and 1/4 minus negative 5/8

Answers

Answer:

31/8

Step-by-step explanation:

3/1/4 - (-5/8)

13/4 + 5/8

find Lcm of 4 and 8 = 8

multiply their common factors with numerators.

13*2 + 5*1 = 31

=31/8 or 3/7/8 or 3.875

Answer:

3 and 7/8

Step-by-step explanation:

3 1/4 - ( - 5/8 ) = x

13/4 + 5/8 = x

26/8 + 5/8 = x

31/8 = x

x = 3 7/8

What is the sign of the product (-5)(-3)(-8)(-6)? (5 points)

Answers

Answer:

Step-by-step explanation:

(-5)(-3) = 15

(-6)(-8)= 48

(48)(15)= 720

the sign is positive

two negatives = a positive

four negatives = a positive

Answer:

Positive, because the products (–5)(–3) and (–8)(–6) are positive, and the product of two positive numbers is positive

Step-by-step explanation:

In right triangle ABC, m angle B ne m angle C Let sin B = r rand cos B = What is sin C- cos C?
A. r+s
B.r-s
C.r/s
D.s-r
Help pls

Answers

A r+s I hope this helps

If AC = 2, CD = 6, and CE = 3, what is BC?

Answers

Answer:

Hello,

Statement:                        Reasons:

BC/CD = AC/CE                 1. Given

∠BCA = ∠ECD                    2. Vertical ∠'s =

△ACB ~ △ECD                   3. SAS

Hope it helps!

Step-by-step explanation:

Answer:

i believe the answer would be number 4

Which linear inequality is graphed with y> -+-2 to create
the given solution set?
y>x+1
y y>x-1
y

Answers

Answer:

c

Step-by-step explanation:

Mrs. Peters purchased 120 flowers. The total cost was $55.20. After planting all of the flowers, Mrs. Peters decided she needed an additional 18 plants. About how much should she expect to pay total for the additional flowers.

Answers

Answer: 39.13 for 18 plants

Step-by-step explanation:

120/55.20= 2.17 dollars per plant

18*2.17=39.13

A silo contains 20 pounds of corn per foot in height. Looking at the model below, about what is the maximum amount of corn the actual silo could hold?

A. 60 pounds
B. 300 pounds
C. 900 pounds
D. 2000 pounds ​

Answers

Answer: its actually 900

Step-by-step explanation:

Find the volume of a right circular cone that has a height of 16.8 in and a base with a
radius of 4.7 in. Round your answer to the nearest tenth of a cubic inch.

Answers

Answer:

Volume of right circular cone is 388.43 in³

Step-by-step explanation:

Height of circular cone = 16.8 in

Radius of circular cone = 4.7 in

We need to find Volume of right circular cone

The formula used for calculating volume of a right circular cone is: [tex]Volume=\pi r^2\frac{h}{3}[/tex]

Putting values and finding volume

[tex]Volume=\pi r^2\frac{h}{3}\\Volume=3.14\times (4.7)^2 \times \frac{16.8}{3}\\Volume=3.14\times 22.09 \times 5.6\\Volume= 388.43 \:in^3[/tex]

So, Volume of right circular cone is 388.43 in³

I need a little more help :( 2/3 = ?/9 3/5 = ?/20 2/10 = ?/20 1/3 = ?/6 4/6 = ?/12

Answers

Answer:

2/3 = 6/9

3/5 = 12/20

2/10 = 4/20

1/3 = 2/6

4/6 = 8/12

What is the value of x in the diagram below? 2 right triangles are stacked. The bottom triangle has a side length of 9 units and an adjacent angle measure of 30 degrees. The top triangle has a hypotenuse length of x and an angle measure of 45 degrees. StartFraction 18 Over StartRoot 3 EndRoot EndFraction StartFraction 18 StartRoot 2 EndRoot Over StartRoot 3 EndRoot EndFraction StartFraction 18 StartRoot 3 EndRoot Over StartRoot 2 EndRoot EndFraction 18 StartRoot 2 EndRoot Mark this and return

Answers

Answer:

18 sqrt2/ sqrt3

Step-by-step explanation:

Answer:

The answer is B

Step-by-step explanation:

Trust me edge 2022

Contains (1, −3) and has the same stretch factor as
f(x) = 3x2.
Vertex has x-coordinate of −1.

Answers

The obtained quadratic function has the same stretch factor as the given function and contains the given point is  y = 3x² + 6x - 12

What is defined as the quadratic function?

A quadratic function is one of the following: f(x) = ax² + bx + c, where a, b, and c are positive integers and an is not equal to zero. A parabola is a curve that represents the graph of a quadratic function.

Because a quadratic function is indeed a parabolic curve, we use the standard parabola equation.

y = a(x - h)² + k

where a = stretch factor,

h = x-coordinate of vertex and

k = y-coordinate of vertex.

The quadratic function incorporates the point (1, -3) and has the vertex x-coordinate at x = -1. h = -1 is the answer.

It also has the stretch factor of f(x) = 3x². So, a = 3.

Thus, y = a(x - h)² + k

y = 3(x - (-1))² + k

y = 3(x + 1)² + k

Now, because the quadratic function proceeds through (1, -3), we have

y = 3(x + 1)² + k

-3 = 3(1 + 1)² + k

-3 = 3(2)² + k

-3 = 3(4) + k

-3 = 12 + k

k = -3 - 12

k = -15

Similarly, find the value for y.

y = 3(x + 1)² + k

y = 3(x + 1)² - 15

y = 3(x² + 2x + 1) - 15

y = 3x² + 6x + 3 - 15

y = 3x² + 6x - 12

Therefore, the equation of the quadratic function that contains the given point and has the same stretch factor as the given function is y = 3x² + 6x - 12.

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The complete question is-

Write the equation of the quadratic function that contains the given point and has the same stretch factor as the given function.

Contains (1, −3) and has the same stretch factor as

f(x) = 3x².

Vertex has x-coordinate of −1.

jacob, stephen, and jermaine are hiking up half dome mountain in Yosemite National Park. Stephen has hiked 5.6 kilometers and is at an elevation of 1,920 m. Jacob has hiked 9.8 kilometers and is at an elevation of 2,395 m. Jermaine is 1/4 of the way between Steven and Jacob. How far has jermaine hiked and what is his elevation?

Answers

The distance that Jermaine hiked and his elevation will be 3.85km and 1103.75 m.

How to illustrate the information?

From the information, Stephen has hiked 5.6 kilometers and is at an elevation of 1,920 m whole on the other hand, Jacob has hiked 9.8 kilometers and is at an elevation of 2,395 m.

Therefore, since Jermaine is 1/4 of the way between Steven and Jacob. This will be:

= 1/4(5.6 + 9.8)

= 1/4 × 15.4

= 3.85km

The elevation will be:

= 1/4(1920 + 2495)

= 1/4 × 4415

= 1103.75 m

Therefore, the distance that Jermaine hiked and his elevation will be 3.85km and 1103.75 m.

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you run 3 miles in 19.5 minutes. your friend runs 2 miles in 13.5 minutes. who is faster you or your friend? how many minutes sooner will the faster runner will finish a mile race?​

Answers

6.5 vs 6.25 for your friend
So you will be slower than your friend
Also 6min and 30 sec vs 6 min 15 sec for friend
So you’ll finish slower by 15 seconds

Answer:

You are faster. You are 0.25 min faster (15 seconds faster)

Step-by-step explanation:

you 19.5/3 =6.5 minutes per 1 mile

The friend 13.5/2 = 6.75 minutes per 1 mile

you run 1 mile in 6.5 minutes

the friend runs 1 mile in 6.75 min

Plssss help


Answer with one of these answers by looking at the photo PLSS try to get correct
(a) and (b)
Neither
Only (a)
Only (b)

Answers

Answer:

a

Step-by-step explanation:

because all top numbers can go into bottom numbers.

A is the correct answer

can someone help me on this

Answers

The answer is for this question is 4

Answer: ur answer is 4

Step-by-step explanation:

The elves ate all 327 cookies in a 1/2 hour. What is the rate in cookies per hour?

Answers

Well.. an hour is.. 60 seconds.. but, 1/2 an hour is.. 30 seconds.. And if the elves ate 327 cookies, you would have to divide 327/100 * 30, and that would be.. 1,090 rates in cookies that they ate per hour! Hope I was able to help! And.. if you can, please give me Brainliest! I would really appreciate it! Merry Christmas, and God Bless you, and your whole family! Be/stay safe, and have a good rest of your day! :)
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