Mathematics High School

Tan^2 0+Tan^2 30+Tan^2 60+Sin^2 0​

Answers

Answer 1

Answer:

2.996519411885697

Step-by-step explanation:

[tex] \tan(20) + \tan(230) + \tan(260) + \sin(20) = 2.996519411885697[/tex]

mark me brainliest

Related Questions

CAN SOMEONE HELP ME ASAP: Write 0.0000000642 in scientific notation.

Answers

Answer:

6.42 × 10-8.

Step-by-step explanation:

vububTodyksyk

Answer:

6.42 x [tex]10^{-8}[/tex]

Step-by-step explanation:

0.0000000642 in scientific notation = 6.42 x [tex]10^{-8}[/tex]

Find the area of a square with a side length of (6x-2).

Answers

Answer:

40x?

Step-by-step explanation:

40x. Then the area is. Subjected to half of the equip 02 then 92

6. 2(x + 6) = 3(x + 1)

7. -2(4x+1) = 3(x+3)

8. 2(5x + 9) = 10x + 18

9. -5(x + 6) = -5x + 9

10. (h+20) = -5(h-6)
11. 3(2x-5) = -(x+1)
12. -3(d+1) = -2(3d-9)

Answers

Answer:

Hope this helps you

Step-by-step explanation:

6. x = 9

7. x = -1

8. x = True of all

9. no solution

10. h = 5/3

11. x = 2

12. d = 7

QUICK HELP!!!
Use the table of the probability distribution to find the variance

Answers

The answer is 0.6 to find the variance

Answer:

0.9

Step-by-step explanation:

What is the change from 3 to -2

Answers

-5 because 3 - 5 = -2
-5. 3 to 0 on a number line is 3 units, and 0 to -2 on a number line is 2 units. If you add these together it equals to 5, but the 3 is not being increased and instead decreased by 5 so this results in -5.

what 5 divided by 475

Answers

Answer:

it's 0.01 (approx.)

Step-by-step explanation:

brainliest plz

Answer:

0.010526315789

OR

0.011

i need help
2 x 3 + 4 - 6r2
A : -26
B : -22
C : -2
D : 10

Answers

6+4-36
-26
The answer is -26

pls help!!!!! i will give brainliest!!!!!

Answers

Answer:

I believe it to be the first answer. Since, similar triangles always have the same slope.

Step-by-step explanation:

find the surface area of a open box of cardboard whose dimensions are 24cm, 18cm and 14cm

Answers

Answer:

hope this helps

Step-by-step explanation:

l = 24 cm

b = 18 cm

h = 14 cm

S.A of cuboid = 2 (l+b) × h

= 2 (42) × 14

= 84 × 14

= 1,176 cm²

write the set A of natural numbers greater than three and not more than nine in two ways

Answers

Answer:

{4, 5, 6, 7, 8, 9}

[tex]\{ x \ | \ 3 < x \leq 9 \}[/tex]

[tex]\{ x \ | \ 4 \leq x \leq 9 \}[/tex]

Step-by-step explanation:

See above.

Answer:

{ 4,5,6,7,8,9 }

{ x: 3 < x ≤ 9 }

Step-by-step explanation:

I hope the notations speak for themselves.

If £29 = 500 rubles, how many £ are in 1,260 rubles? Give your answer to 2 dp

Answers

Answer:

6.21 Pound sterling

Step-by-step explanation:

You have to divide first to find one pound of rubles, then you multiply to get your answer

which of the following best describes an output NEED HELP PLS

Answers

Answer:

I DO FLVS AS WELL AND I GOT THAT ONE WRONG

Step-by-step explanation:

ahhhh

The base of a 50 ftladder is placee 30ft away from a burnong building how many feet above the geound is the top of the ladder from the ground

Answers

Answer:

i dont know the answer but ask someone smarter

Step-by-step explanation:

easy one - giving brainly!
CREATE 5 TOTAL. YOU CAN USE DECIMALS.​

Answers

Answer:

2:4

3:6

4:8

Step-by-step explanation:

LOOK AT PICURE!! WHOEVER IS CORRECT I WILL MARK BRAINIEST!!

Answers

Answer:

This angle is not a right angle from what it looks like, but this angle if you turn it sideways, angle JKN should be a little more than 90 which classifies it as an obtuse angle.

[tex]\sf 15=2x-9[/tex]

Answers

Answer:

x=12

Step by step explanation:

Step by step explanation:Add 9 to both sides :

15 = 2x - 9

15 + 9 = 2x - 9 + 9

Simplify:

24 = 2x

Divide both sides to get the result:

24 = 2x

24/2 = (2x)/2

Result:

x=12

[tex]\boxed{\sf Answered \: By\: Subhash} [/tex]

[tex]\boxed{\sf Good\: luck \: for \: your \:assignment} [/tex]

Answer:

x=12

Step-by-step explanation:

[tex]15=2x-9[/tex]

[tex]2x-9=15[/tex]

[tex]2x-9+9=15+9[/tex]

[tex]2x=24[/tex]

[tex]\cfrac{2x}{2}=\cfrac{24}{2}[/tex]

[tex]x=12[/tex]

An item is regularly priced at $55. It is on sale for 20% off the regular price. What is the sale price?

Answers

Answer:

44

Step-by-step explanation:

   

Answer:

$44

Step-by-step explanation:

20% changes to 0.2

$55 x 0.2 = $11 ---> this is the sales discount

$55 - $11 = $44 ---> sale price

Help ill give a brainiest to the first person who answer

Answers

Answer:

i think the answer is b Robert earned 10, which was less than twice what Eric earned

A football field is 360 feet long 160 feet wide. What is the area of the football field?

Answers

Answer:The area of the field is 57600 square feet.

Step-by-step explanation:

Answer:

57600 square feet.

Step-by-step explanation:

360 x 160 = 57600.

Which list shows all the factors of 36?
A. 1, 2, 3, 4, 6, 12, 18, 36
B. 1, 2, 3, 4, 6, 9, 12, 18, 36
C. 1, 2, 3, 4, 5, 9, 12, 18, 36
D. 36, 72, 108, 144, 180

Answers

Answer:

B

Step-by-step explanation:

I'm too lazy to explain but if you want me to I will

Answer:

give jaz brainliest also im not doing this for points

A rocket needs to reach a speed of 28,300 km/hr in order to get into orbit around Earth. How fast is this in miles per second.

Answers

Answer:

Step-by-step explanation:

1 km = 0. 621371 miles

28,300 km = 28,300* 0. 621371 miles = 17,584.7993 miles

1 hour = 60 *60 seconds  = 3,600 seconds

speed of 28,300 km/hr =

17,584.7993 miles / 3,600 seconds ≈ 4.88 miles / second

need help for 20 points.....plzzzzz



a^2/16-5ab+100b^2

Answers

is it factorization ...

Same I have the same problem

95 people went to a convention in San Francisco. They took three large vans and 50 people traveled by car. How many people fit in each large van. Write an equation first, then solve

Answers

Answer:

15

Step-by-step explanation:

95 - 50 = 45

45/3 = 15

what is the value of Y

Answers

Answer:

150°

Step-by-step explanation:

the sum of the interior angles is 180° (triangle)

your answer in the picture

Which part of the water cycle would follow step D in the diagram shown?



A) Transpiration
B) Condensation
C) Evaporation
D) Precipitation

Answers

Answer:

A) Transpiration

Step-by-step explanation:

It is showing plants and trees losing water to the air.

Hope this helps!

HELPPPPPPPPPPPPPPPPPPPPPPPPPP (I know the one selected isn’t right FYI)

Answers

Answer:

The correct choice is option a. -3x^2 + xy + 3x - y + 2

Step-by-step explanation:

(xy + 3x + 2) - (3x^2 + y)

= xy + 3x + 2 - (3x^2 + y)

= xy + 3x + 2 - 3x^2 - y

= -3x^2 + xy + 3x - y + 2

The correct answer of the given choices i think it would be A

PLEASE HELP IT’S DUE TMR

Answers

Answer:

13) 29.75

14) P : P

Step-by-step explanation:

13)

4 ------ 17

7 ------ x

4x = 7*17

4x = 119

x = 29.75

14) A square is a square it has all sides the same, so p : p is the ratio

hi help pls will mark as brainlist!!!!!!!!!​

Answers

Answer:

The answer would be B.) 30.

Step-by-step explanation:

If it took 15 workers 20 day, and you want to split it so it gets done in 10 days, you would want 15 more workers to get the job done quicker, doing this would have you a total of 30 workers.

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2+2

Answers

4

dgfsdfgsfgdfgdfgdfgdfgdfgdfg

Answer:

4

Step-by-step explanation:

Order the set of numbers from least to greatest.
-0.62
-0.615
-5/6

Answers

Answer:

5/6, -0.62, -0.615

Step-by-step explanation:

Hope this Help If i got it wrong I'm sorry I tried :(

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