Mathematics High School

find the values of x and y

Answers

Answer 1

Answer:

see below

Step-by-step explanation:

• find x

use tan rule

tan( 60 degrees) = x / 7

tan ( 60 ) x 7 = 12 . 1

x = 12. 1

• find y

you can either use Pythagoras theorem or the sin rule

let's use sin

sin ( 30 ) = 7 / y

y = 14.0

hope this helps, please mark it

Related Questions

What is the gcf of 8 and 42

Answers

Answer:

2 ( sorry if it is wrong)

Step-by-step explanation:

Answer:

The gcf of 8 and 42 is 2

Step-by-step explanation:

help please and fast!

Answers

Cubed root (x^2) I can’t add the radical here but it would be the 3radical(x^2)

Help is much appreciated

Answers

Answer:im stuck on this 2

Step-by-step explanation:

i cant help :(

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Answers

Answer:

26.41 sq. ft

Step-by-step explanation:

The formula for the area of a circle is

[tex]\pi r^{2}[/tex]

with r being the radius, and knowing the radius of the circle being 2.9 ft, we can substitute 2.9 in for x.

Now we simplify and solve the equation

[tex]\pi 2.9^{2}[/tex]

[tex]\pi 8.41[/tex]

(pi ([tex]\pi[/tex]) = 3.14)

3.14 x 8.41 = 26.4074

Now round to the nearest 100th

26.41

The answer is 26.41 sq. ft

The height of a triangle is 8 m less than its base. The area of the triangle is 42 m². The situation can be represented by the equation 12b(b−8)=42, where b is the length of the base in meters.

What is the length of the base?

Enter your answer in the box.

Answers

Answer:

Step-by-step explanation:

A = 1/2 BH

B = 5H

A = 490

490 = 5/2 * H^2

H = 14

PLEASE HELP DUE IN 2 HOURS

Answers

Answer: D

So we want to find out how big all the sides are to find out if its less than 400

do in calc

2(13x5)+2(8x5)+2(13x8)=418

418>400

and its d because its talking about the surface area since we are trying to cover the surface in wrapping paper

Answer:

total surface area =2(13×5+8×5+13×5)=340in²

yes,because the surface area is less than 400in²

For exercises 1 and 2, use the figure at the right.
1. what is m<4 if m<8 = 40 degrees

Answers

Answer:

the figure is missing. please provide the figure.

help me any smart person please

Answers

The answer is A - 10 mm

If I have 4 groups of $29, about how much do I have?

Answers

Answer:

i think its $116

Step-by-step explanation:

if you have four groups of twenty-nine dollars that would be

4x$29

which is $116

Answer: 16 %

Step-by-step explanation:

Please please help help me please please help help please please help me please!!!!

Answers

Step-by-step explanation:

Question4 is -5

Question5 is Point E

Question6 is True

Consider the line shown on the graph.
у
35
30
25
20
15
10
5+
0
Х
10 20 30 40 50 60 70
Enter the equation of the line in the form y = mx Where m is slope.

Answers

Answer:

y = 2x

Step-by-step explanation:

I just posted the same thing from the new post

Solve the equation. 42=d^2-22

Answers

The answer to question was to question it if you don’t answer your question about how you do that you have a question for you

The answer is d=8. Here is how I solved it.
Hope this helped.

There were 450 students enrolled in a middle school at the beginning of the school year. The number of students enrolled in the school at the end of the year was 10 percent greater than the number of students enrolled in the school at the beginning of the year. How many students were enrolled in the school at the end of the year?

Answers

Answer:

450*1.10 is 495

Step-by-step explanation:

450*.10 =45
450+45=495
Or
450*1.10=495

What is the equation that has a slope of -7 and passes through the point (0,-1?

Answers

Step-by-step explanation:

Given

slope (m) = - 7

y-intercept (c) = - 1

The equation is given by

y = mx + c

y = - 7x - 1

Hope it will help :)

what's the value of given expression

[tex] \sqrt[3]{25 \times 5} [/tex]

Answers

The answer is 5
_________
_________

Write the equation of a circle that has a center of (-4, 2) and has a radius of 7.

Answers

Answer:

(x + 4)² + (y - 2)² = 49

Step-by-step explanation:

The center is (h, k) = (-4, 2) ⇒ h = -4, k = 2The radius r = 7

The equation is:

(x - h)² + (y - k)² = r²(x - (-4))² + (y - 2)² = 7² ⇒ (x + 4)² + (y - 2)² = 49

Solve the system of equations. y=2x-4 and 3y=2x

Answers

Answer:

x = -3

y = -2

Step-by-step explanation:

y = 2x - 4

3y = 2x

Minus bottom from top:

2y = -4

y = -2

Plug in for y to solve for x:

3y = 2x

-6 = 2x

x = -3

i just need help with my math work

Answers

Answer:

1. (c) 268

2. (d) above the 3rd quarter

3. (a) 210

4. (c) 240 pounds to 300 pounds

I hope this helps you

5. What is ADCA?

A Acute
C Equiangular
D Not here
B Obtuse

Answers

B is an Obtuse angle! and I’m 100% sure!

WHATS 9+10

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Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

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⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⠀⠰⠛⠻⢿⣿⠿⠿⠟⡿⠿⢿⣿⠿⠿⣿⠃⠀⠟⠛⠿⣿⣿⣿⣿⣿⣿⣿

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21,/ or,/ 19

please help i’ll give brainliest if you help thanks

Answers

Answer:

x≥17

Step-by-step explanation:

arrow > is pointing to the right, line is going to right

with greater/less than or equal to signs (line under arrow ≥), the dot is filled in.

( x = -6у
12х + 12y = 0

Answers

Answer:

12*(-6y) +12y =0

-72y+12y=0

-60y=0

y=0

put y value

x=-6*0

x=0

(0,0) ans

I need helppp plzzzzz

Answers

Answer:

b^8

Step-by-step explanation:

Answer:

b^8, with m = 8

Step-by-step explanation:

Apply the algebraic rule: (x^a)/(x^b) = x^(a-b)

Note: This rule is true because we can cancel all b factors that occur in both numerator and denominator.

From this rule, we know that (b^10)/(b^2) = b^(10-2)

b^(10-2) can be written b^8

Please help me! Only need to answer 11 and 13 or if you want to do extra then please answer 15 and 17! No need to graph! :)
[Inequalities Review]

Answers

Answer:

11.

-2x ≥ 20 x ≤ - 10x = (-∞, -10]

13.

a/6 > -10a > - 60a = (-60, +∞)

15.

18 < 2g9 < gg > 9g = (9, +∞)

17.

6 ≤ y/636 ≤ yy ≥ 36y = [36, +∞)

I don't understand how to do this

Answers

the answer is C

used the calculator for it

The perimeter of a square is 48cm. What is the area, in cm2

Answers

Answer:

Rounding wise it would be 6.9 realistically it would be 6.92

Step-by-step explanation:

Help hurry plz what’s the answer?

Answers

Answer: 44 degrees

Step-by-step explanation:

Answer:

44°

Step-by-step explanation:

If you add 117 to 117 (they are the same angle) and add 82, you get 316°. Then subtract 316 from 360, and you get 44°

Hope this helps!

3.8 x 102 + 1.7 x 109, giving your answer in standard form

Answers

Answer:

Step-by-step explanation:

3.8 x 102=387.6

1.7 x 109= 185.3

387.6+185.3=572.9

Matt brings $40 to the toy store. He buys 7 toy cars that cost $4 each. How much money does Matt have left?

Answers

Answer:

Step-by-step explanation:

7x4=28

40-28=12

80 is ⅒ of ____.

HELP ME

Answers

Answer:

800

Step-by-step explanation:

If you multiply 1 tenth by 80 you will get 800 over 1.

800/1

800/1 = 800.

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