Mathematics High School

Question 1 (1 point)
A 30 foot ladder is leaned against a wall, and the base of the ladder is 2 feet from the
base of the wall. What is the angle of inclination of the ladder? (Round to the nearest
whole degree)

Answers

Answer 1
answer: 86°
explanation:
we can assume the ground makes a 90° angle with the wall. We can use primary trig ratios to determine the angle of inclination, which is between the ladder and the ground.
The hypotenuse is the length of the ladder, 30ft, and the adjacent side of our theta angle, (the angle we’re looking for) is 2ft.
Use the ratio Cosine and set up the equation
cosx = 2/30
cosx = 0.066667
x = 86°

Related Questions

After withdrawing $58, Mark
had $200 dollars left in his
savings account. How much
money was in the account
before the withdrawal?

Answers

$258 dollars. He started with 258, took away 58, and was left with 200.

.18 g = ___ kg ANSWER IF YOU KNOW PLEASE :(

Answers

Answer:

.18 grams equals .00018 kilograms

Answer:

.00018 kg

Step-by-step explanation:

To get from grams to kilograms, you divide by 1000, so you have to divide .18 by 1000. 0.18/1000 = .00018, so the answer is .00018 kg

300,000 -7,000 + 100 + 60 +3?

Answers

Answer:

293,163

Step-by-step explanation:

300,000-7,000+100+60+3

293,000+100+60+3293,100+60+3293,160+3293,163

Choose the definition for the function.

Answers

Answer: C

Step-by-step explanation:

Ramon owed $850.00 on his car loan. Two months later, he owed $510.00
on the loan. By which percent did Ramon's car loan amount decrease?

Answers

Answer:

40%

Step-by-step explanation:

(850-510)/850 = 340/850 = 2/5 = 40%

Answer: 40% I looked it up

Step-by-step explanation:

Give the domain and range of the relation th
1. {(-3, 3), (1, 1), (0, -2), (1, -4), (5, -1)}
Domain:
Range:
Function?
What is it

Answers

Answer: the domain is -3. 1, 0, 1, and 5 and range is, 3. 1, -2, -4, and-1 I dont know the function but I hope this helped

Step-by-step explanation:

Which model shows 20%?

Answers

the bottom model shows 20%

Answer:

The seccond one

Step-by-step explanation:

_

The first one shows 33.3% while the second one shows 20%

I hope this helps!

What is the value of x in the solution to this system of equations ?
Y+2x=-1
Y=(1/2)x+4

Answers

Answer:

2×+y=-1

Do you think I'm right???

what is 1/5x +8 < -4

Answers

Answer:

The answer is x< -60

please let me know if I am incorrect.

Explanation:Solve for x by simplifying both sides of the inequality, then isolating the variable.

What fraction goes in the box to make it correct?
4/11×_=1​

Answers

Step-by-step explanation:

[tex] \frac{11}{4} [/tex]

[tex] \frac{4}{11} \times \frac{11}{4} = \frac{44}{44} = 1[/tex]

if it's helpful ❤❤❤

THANK YOU.

solve for y
equation : y=mx+b

Answers

Answer:

? i need numbers

Step-by-step explanation:

When filling in numbers to this equation. Y would be equal to the y-intercept. The y-intercept is the part of the line that crosses over the y line on a coordinate plane. Hope this helps and please mark brainliest!

A score of 17 on a math test results in a mark of 68%. What score would give you a mark of 100%?

(MUST SHOW WORK)

Answers

Answer:

17/25

Step-by-step explanation:

The required total score for 100% mark is given as 25.

What is the percentage?

The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
Let the x be the be score for 100% marks.
68% of x = 17
x = 17 / 68%
x = 25

Thus, the required total score for 100% mark is given as 25.

Learn more about percentages here:

brainly.com/question/13450942

#SPJ2

Cara has driven one-fifth of the total distance, d, to her destination.


Which statement explains why both 1/5d and 0.2d can find the distance she has driven?




Multiplying by 1/5 is the same as multiplying by 20%.

Multiplying by 1/5 is the same as multiplying by 2%.

The fraction 1/5 is the same as the decimal 0.8. Therefore, 1/5d can be written as 0.8d.

The expressions are not equivalent.

Answers

Answer:

I dont even know man I wish I knew too

What is the slope of a line parallel to the line whose equation is x+2y=2

Answers

Step-by-step explanation:

Parallel lines have the same slope.

[tex]x + 2y = 2 \\ 2y = x - 2 \\ y = 0.5x - 1[/tex]

[tex]y = mx + b \\ m \: is \: the \: slope \: so \: te \: slope \: is \: \frac{1}{2} [/tex]

Becca had of a yard of ribbon to use for her crafts projects. She used of a yard to make a bow. How much ribbon, r, does Becca have left?

Set up an equation and solve.

answers:46/105, 91/45, 3r/7, 3/7 - r , 136/105

only two space for two answers

Answers

Answer:

a y a r d = a 2 y r d a y a r d = a 2 y r d

Step-by-step explanation:

An information technology company produces 45% of its computer chips at a plant in St. Louis and the remainder of its chips at a plant in Chicago. It is known that 0.85% of the chips produced in St. Louis are defective, while 1.05% of the chips produced at the plan in Chicago are defective. What is the probability that a randomly chosen computer chip produced by this company is defective and was produced in St. Louis?

Answers

Answer:

the probability of the computer chip produced and defective is 0.003825

Step-by-step explanation:

The computation of the probability of the computer chip produced and defective is shown below

= Produced percentage × defective percentage

= 45% × 0.85%

= 0.003825

Hence, the probability of the computer chip produced and defective is 0.003825

The same is considered and relevant too

Charlotte measures the distance from the center of a circular garden to its edge and finds it is 43 meters. How long is the path which goes around the outside of the garden?

Answers

Answer: 270.29 meters

Step-by-step explanation:

This is a circle which means that the distance that Charlotte measured from the center of a circular garden to its edge is the radius.

The length of the path which goes around the garden would therefore be the circumference.

Circumference = π * diameter

Diameter = radius * 2

= 43 * 2

= 86 meters

Circumference = 22/7 * 86

= 270.29 meters

6x-2y=156.......(1)
X - y=18.........(2)
(1)-2×(2 )
How will you go about it​

Answers

Plug in equation 1 and 2 into the formula: 156-2*18=

Answer:

Step-by-step explanation:

(1) 6x-2y=156

2×(2) ; 2(x-y=18)

;2x-2y=36

from (1)-2×(2)

is 6x-2y=156 -

2x-2y=36

4x=120

x=30

from (2)

x-y=18

x-18=y

y=30-18

y=12

Which of the following best describes the equation below?

y = 8x + 15
A.
neither linear nor nonlinear
B.
both linear and nonlinear
C.
nonlinear
D.
linear

Answers

The answer is D. Linear equation

The cost to enter the fair is $9. Rides cost $5 each. Write the equation to represent this problem.
Class comments

Answers

Cost or C = 5r + 9.

Mindy needs to rake a rectangular part of her yard that is 9 feet by 8 feet. It takes her 10 minutes to rake an area that is 12 feet square. How long will it take Mindy to rake the rectangular part of her yard?

Answers

Answer:

60 minutes

Step-by-step explanation:

Time taken to rake 12ft² = 10 minutes

Area of Mindy's rectangular path :

Area of rectangle = Length * Width

Dimension of Mindy's rectangular path = 9ft by 8ft

Area = 9ft * 8ft

Area = 72ft²

Hence, it will take Mindy;

(Area of Mindy's path / 12 ft) * time taken

(72ft² / 12ft²) * 10 minutes

6 * 10 = 60 minutes

Hi Mariceo, when you submit this form, the owner will be able to see your name and email address.
*
Required
1. Transform the following equation if necessary, and then solve to find the value of x that makes
the equation true: *
(10 Points)
5(3x + 9) – 2x = 151 - 2(x - 5)
10
45
Infinitely many solutions
No solution

Answers

So you can see my email address? Haha sure...

Can someone help please?

Answers

Answer:

a: 36

b: 32

Step-by-step explanation:

Lizard views: 4

Since Ferret has 9 times as much as Lizard views, you can multiply it by 9:

4 x 9 = 36 views

To find the difference, subtract Ferret views with Lizard views:

36 - 4 = 32 views

Determine the value for x

Answers

Answer:

option 2) is correct

angle a and angle x are supplementary angles

so x=180-140

x=40°


Which of the following scenarios represents a causation between the two data sets?

Answers

Answer:

I think is the first one

Step-by-step explanation:

a dolphin swam 12 miles in 4 hours. what was its average speed in miles per hour (mph) ?


Answer choices : A. 2 mph
B . 4 mph
C. 3 mph
D. 7 mph

PLEASE HELLPPP :(

Answers

the answer is B. if you divide 12 by 4 you get 3.

PLEASE HELPPPPPP!!!!!!Solve this system of linear equations separate the x-and y-values with a comma
-13x=90-2y
-6x=48-2y

Answers

Answer:

[tex]x=-6,\\y=6[/tex]

Step-by-step explanation:

Rewrite the system of equations as:

[tex]\begin{cases}-13x+2y=90\\-6x+2y=48\end{cases}[/tex]

Subtract the second equation from the first to isolate [tex]x[/tex]:

[tex]-13x+2y-(-6x+2y)=42,\\-7x=42, \\\fbox{$x=-6$}[/tex]

Plug in [tex]x=-6[/tex] into any of the equations above and solve for [tex]y[/tex]:

[tex]-6(-6)+2y=48,\\2y=12,\\\fbox{$y=6$}[/tex]

Verify that the solution pair [tex](-6, 6)[/tex] works [tex]\checkmark[/tex]

Therefore, the solution to this system of equations is:

[tex]x=-6,\\y=6[/tex]

Which number sentence is true?
A. 2/3 < 2/8
B. 2/3 <6/8
C.3/3 < 3/8
D.1/8 > 1/3

Answers

Answer:

2/3 < 6/8

Step-by-step explanation:

Answer:

Its B

Step-by-step explanation:

I need the answer plz so I dont fail

Answers

Answer:

Whats the problem?  it wont show for me...

Step-by-step explanation:

i will awnser, just gotta give me the problem

Nolan bought 3 postcards while on vacation for 1 week how many weeks will Nolan have to spend on vacation to buy 15 postcards if he buys them at that rate

Answers

Answer: 5 weeks

Step-by-step explanation:

In the 1 week he was on vacation, Nolan was able to buy 3 postcards.

The rate he is buying postcards is therefore 3 per week.

If he needed to buy 15, he would need to be there for:

= 15 postcards/ 3 postcards a week

= 5 weeks

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