Find the value of F, correct to two decimal places

Find The Value Of F, Correct To Two Decimal Places

Answers

Answer 1

Answer:

F = 12.14 m

Step-by-step explanation:

F is the side opposite the given 36° angle and the given side length, 15m is adjacent. It's a cosine equation that's needed.

find the cosine of 36°

(calculator necessary)

cos(36) = 0.8090169944

We should be safe to round that to .809 for this.

cos = opp/adj

Substitute what we know:

.809 = F/15 Multiply both sides by 15

.809(15) = F

12.135 = F Round to two places.

Side F is 12.14m


Related Questions

can someone help me out here ??

Answers

Answer:

6.04 inches

Step-by-step explanation:

1 in. = 100 Ft.

604 Ft / 100Ft = 6.04

Answer:

6.04 inches

Step-by-step explanation:

Given expression: 604 ÷ 100

The actual height of the building is 604 feet, and if Corbin wants to scale it down 1:100, then he would divide the height of the building by 100 to get the height in inches of the model.

Subtract 4x + 2y - 16z from ( -12x + 2y - 4z ).

Answers

Answer:

Step-by-step explanation:

4x + 2y - 16z - (-12x + 2y - 4z)

4x + 2y - 16z + 12x - 2y + 4z

16x - 12z

3. Find the values of the variables and the lengths of the sides of this kite.

y - 3

x+2

2x+2

x+11

A. x = 9, y = 14; 11, 20

B. x = 14, y = 9; 11, 11

C. x = 14, y = 9; 6, 16

D. x = 9, y = 14; 6, 16

Answers

Answer:

So, the correct option is A. x = 9, y = 14 , Sides are 11 and 20

Step-by-step explanation:

P.S - the exact question is -

As given in the question ,

Side AB = Side AD

⇒y - 3 = x + 2

⇒y - x = 2 + 3 = 5

⇒y - x = 5                        .........(1)

Also, given

Side BC = Side CD

⇒2x + 2 = x + 11

⇒2x - x = 11 - 2

⇒x = 9

∴ equation (1) becomes

y - 9 = 5

⇒y = 5 + 9 = 14

⇒y = 14

∴ we get

x = 9, y = 14

Now,

as given ,

Side AB = y - 3

⇒ AB = 14 - 3 = 11

Side BC = 2x + 2

⇒ BC = 2(9) + 2 = 18 + 2 = 20

Side CD = x + 11

⇒ CD = 9 + 11 = 20

Side DA = x + 2

⇒DA = 9 + 2 = 11

∴ we get

The sides are 11 and 20

So,

The correct option is A. x = 9, y = 14 , Sides are 11 and 20

47. A figure has an area of 50 units2. What will the new perimeter be after a dilation with a scale factor of 3?
Can someone please help me

Answers

Answer:

150

Step-by-step explanation:

Answer:

150

Step-by-step explanation:

50 x 3 = 150

I need help with 1 - 4 please

Answers

Answer:

I'll help u with #1 then u can do the others hopefully

Step-by-step explanation:

y=mx+b

1. slope=m

slope=1.5 so y=1.5x+b

y-intercept=b

y-intercept=5 (because (0, 5) means x is 0 and y is 5, which is that point)

Answer: y=1.5x+5

Please help me. I don't understand this.​

Answers

Answer:

Neither  do i

JK

heehee

Step-by-step explanation:

EF/DF

EF/DE

(the last one)

hope this helps! :D

have a grrrreat day/night

byeeee

Hi. I need help with these questions (see image)
Please show workings.

Answers

Answer:

A: [tex]\frac{1}{2\sqrt{x-1} }[/tex]

B:[tex]\frac{1}{4\sqrt[4]{x^{3} } }[/tex]

c: 2x

Step-by-step explanation:

To find the derivative of x raised to the nth power we use the following template

[tex]x^{n}=nx^{n-1}[/tex]

Something else to keep in mind is that

[tex]\sqrt[n]{x^{y}}=x^{y/n}[/tex]

So knowing this we can rewrite a as follows

[tex]\sqrt{x-1} =(x-1)^{1/2}[/tex]

so we can use the template above and get

[tex]\frac{1}{2}(x-1)^{.5-1}[/tex]

So that simplifies to

[tex]\frac{1}{2}*(x-1)^{-\frac{1}{2}[/tex]

[tex]\frac{(x-1)^{-.5}}{2}[/tex]

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

B: Same kind of deal here

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

[tex]\frac{1}{4} *x^{\frac{1}{4}-1}[/tex]

[tex]\frac{x^{-\frac{3}{4}}}{4} =\frac{1}{4\sqrt[4]{x^{3} } }[/tex]

C: this one is by far the easiest because the derivative of a constant is 0 so we can just apply the same template from before and get

2x

Write down the size of angle ABC.
Give a reason for your answer.

Answers

Answer:

Angle ABC = 90°

Step-by-step explanation:

Angle AOC= 180°

so Angle ABC = 0.5 x AOC

or another way to explain is

Rule 1: Angles in semi circle are always 90°

Solve the simultaneous equations
8x + 3y = 45
2x + 3y = 27

Answers


8x + 3y = 45 * -2
2x + 3y = 27 * 8

-16x - 6y = 90
16x + 24y = 216

24y = 216
y = 216/24
y = 9


8x + 3y = 45
8x + 3(9) = 45

8x + 27 = 45
8x = 45 - 27
8x = 18
x = 18/8
x = 2.25


x = 3 and y = 7 are the answers to the simultaneous equations 8x + 3y = 45 and 2x + 3y = 27.

What are linear equations?

A linear equation is an equation that describes a straight line on a coordinate plane. It is an equation of the form y = mx + b, where x and y are variables, m is the slope of the line, and b is the y-intercept (the point where the line intersects the y-axis).

To solve the simultaneous equations:

8x + 3y = 45 ...(1)

2x + 3y = 27 ...(2)

By adding or removing equations, we can utilise the procedure of elimination to get rid of one of the variables. In this situation, y can be removed by deducting equation (2) from equation (1) as shown below:

(8x + 3y) - (2x + 3y) = 45 - 27

6x = 18

x = 3

In order to obtain the value of y, we can now change the value of x in either equation (1) or (2). Consider using equation (1):

8x + 3y = 45

8(3) + 3y = 45

24 + 3y = 45

3y = 45 - 24

3y = 21

y = 7

Therefore, the solution to the simultaneous equations 8x + 3y = 45 and 2x + 3y = 27 is x = 3 and y = 7.

To know more about linear equations follow

https://brainly.com/question/24163948

#SPJ2

Can you help me with this one math problem please?
I emailed my teacher for help but she is not responding. No one can help me.

Answers

Answer:

240

Step-by-step explanation:

if you mulitiply 6 and 5 to get 30 times 8 you get 240

sorry if wrong

If the ratio of boys to girls is 1:2 and there are 10 girls in your class, how many boys are there?

Answers

Answer:

5

Step-by-step explanation:

divide 10 by 2

Answer:

There are 5 boys in the class

Which of the following equations is equivalent to 2/3a - 7 = 1/3

Answers

Answer:

a = 11

Step-by-step explanation:

Given the equation 2/3a - 7 = 1/3

We are to find the value of a that satisfies the equation

2/3 a = 1/3 + 7

2/3 a = (1+21)/3

2/3 a = 22/3

2a = 22

a = 22/2

a = 11

Hence the value of a that satisfies the equation is 11

The measure of each vertical angle is

Answers

Answer:

i dont know ask g o o g l e

Step-by-step explanation:

Graph the line 3x + y = 12.

Answers

Answer:

the slope is -3 and the y intercept is 12

If a = 2 then what is 3a + 1?

Answers

Answer:

7

Step-by-step explanation:

3(2) + 1

3 x 2 = 6

6 + 1 = 7

Answer:

7

Step-by-step explanation:

3(2) + 1

6 + 1

=7

List the elements in the set . Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. (B ∪ A)'

Answers

I don’t get the way you ordered this can you sent me a picture of it or some

Carmen spent $68.99 on a new coat and $31.85 on a new pair of boots about how much more did the coat cost in the boots ​

Answers

Answer:

6.99$

Step-by-step explanation:

help me, 2+4 3 ×4+(2×9)

Answers

It should be 192 I’m pretty sure

PLEASE HELP URGENT!!

Answers

Answer:

mathw a y

Step-by-step explanation:

use mathw a y to help solve questions like this

consider the expression 7 - 4y. Why would the co-efficient be -4 and not 4?

Answers

Answer:

because a co-efficient is the multiplicative factor in polynomials and it's minus 4 before the y. you would just take the minus and put it with the 4 otherwise it would just be floating there ig.

Step-by-step explanation:


In order to be admitted for a certain ride at an amusement park, a child must be greater
than or equal to 36 inches tall. Create a graph that represents these conditions?

Answers

Child must be higher than 36 which means any number between or above 36 isn't  allowed . graph that.

Which of the following rational functions is graphed below

Answers

Answer: c I’m pretty sure

Step-by-step explanation:

Help I don’t know what I’m doing

Answers

Answer:

[tex] {2}^{3} \times \sqrt{2} \\ = {2}^{3} \times {2}^{ \frac{1}{2} } \\ = {2}^{(3 + \frac{1}{2})} \\ = {2}^{ \frac{(6 + 1)}{2} } \\ = {2}^{( \frac{7}{2}) } \\ = \boxed{ {2}^{(3.5)} }✓[/tex]

2³'⁵ is the right answer.

An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $3820 and his stock in Company B was worth $2960. The stock in Company A has increased 15% since last year and the stock in Company B has increased 5%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary).

Answers

Answer:

10.6%

Step-by-step explanation: Find new values:

3820(1+0.15)=\color{green}{4393}

3820(1+0.15)=4393

2960(1+0.05)=\color{blue}{3108}

2960(1+0.05)=3108

Last Year This Year

Stock A 3820 4393

Stock B 2960 3108

Total 6780 7501

\text{Find overall increase:}

Find overall increase:

6780(1+r)=7501

6780(1+r)=7501

\frac{6780(1+r)}{6780}=\frac{7501}{6780}

6780

6780(1+r)

=

6780

7501

1+r=1.106342

1+r=1.106342

r=0.106342

r=0.106342

Subtract 1

\text{Final Answer: }10.6\%

Final Answer: 10.6%

Multiply by 100 and round to nearest 10th

Will's age is 3 years more than twice Anne's. He is 15. How old is
Anne? _____

Answers

Will is 33 years old

Annie is 6 years old

15-3=12

12 divided by 2 is 6

If it is true that z^2-6=19 then z^2+6=

Answers

Answer:

no because z^2 + 6= is not "The expression is not factorable with rational numbers."

Step-by-step explanation:

The ratio of chairs to tables at a certain restaurant is 20 to 3. If there are 120 chairs in the restaurant, how many tables are there?

Answers

Answer:

20

Step-by-step explanation: 20 divided by 3 is 6, so if you divided that 120 by 6 you get 20.

simplify the expression

Answers

Answer:

=2 (2/3)-5 (1/4) (putting the values of x and y)

=4/3-5/4

=4-5/4

-1/2

Answer:

1/12

Step-by-step explanation:

2(2/3) = 4/3 and 5(1/4) = 5/4

Will give another brain!!

Answers

Yes, SAS (Side Angle Side)

PLS HELP !! I NEED THIS ANSWER

Answers

Answer:

Option 2

Step-by-step explanation:

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