A ladder is placed against a wall.
To be safe, it must be inclined at between 70° and 80° to the ground.
5.8m
O 11N/Ma1 lesson 3438
HERRER
1.5m
MM
G
(a) is the ladder safe?
Answers
Answer:
yes it is safe.
Step-by-step explanation:
Tan^-1 (5.8/1.5)
theta = 75.5
yes, it is safe
The angle is between 70° to 80°.
Yes, the ladder is safe.
What are trigonometric identities?There are three commonly used trigonometric identities.
Sin x = 1/ cosec x
Cos x = 1/ sec x
Tan x = 1/ cot x or sin x / cos x
Cot x = cos x / sin x
We have,
From the figure,
tan Θ = 5.8 / 1.5
Θ = tan (5.8 / 1.5)
Θ = 75.5°
The angle is between 70° and 80°.
Thus,
The ladder is safe.
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Related Questions
You have 10 coins, all dimes and quarters. The value
of the coins is $1.75.
How many dimes do you have?
How many quarters do you have?
Answers
Then 5 dimes which is =50¢
In all it’s =$ 1.75
Answer:
The answer would be 5 of each.
Step-by-step explanation:
5 * .10 + 5 * .25 = $1.75
Math edge is attatched, I will mark brainliest to answers!
Answers
Answer:
Step-by-step explanation:
How do you find the value of 35(10^-8)? Find the answer.
To find the value, you will need to use the Order of Operations (PEMDAS).
Answers
Answer:
Step-by-step explanation:
35(10⁻⁸) = 35(0.00000001) = 0.00000035
Marsha wants to walk from the parking lot through the forest to the clearing, as shown in the diagram. She knows that the forest ranger station is 154 feet from the flag pole and the flag pole is 350 feet from the clearing. How far is the parking lot from the clearing? Distance from parking lot to clearing _________
Answers
Answer:
420
Step-by-step explanation:
504/x = x/350
x² = 176,400
[tex]\sqrt{176,400}[/tex] = 420
how can you determine if the association on scatter plot is strong or weak
Answers
Answer:
We say that a strong negative association exists between the variables x and y. Consider the following scatterplot: We observe that y increases as x increases, and the points do not lie on a straight line. We say that a weak positive association exists between the variables x and y.
Step-by-step explanation:
Answer:
We say that a strong negative association exists between the variables x and y. Consider the following scatterplot: We observe that y increases as x increases, and the points do not lie on a straight line.
Step-by-step explanation:
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Answers
Answer:
32.5 is the correct answer
12y + 2x = 24
Solve for y
Simplify answer
Answers
Answer: y= -2x/12+2
Step-by-step explanation:
12y=-2x+24
y= -2x/12 +2
Match each vertex in IJL to its corresponding vertex in the dashed triangle.
Answers
Answer:
Step-by-step explanation:
It’s LJK
Pls help me pls I’ll give brainliest pls dont answer if you don’t know
Answers
Answer:
x=-2
Step-by-step explanation:
Like terms are terms that are like each other
2x and x both have x
3 and 9 are both constants
Move them so they are next to each other
-2x-x=9-3
-3x=6
x=-2
There are 5,280 feet in 1 mlle. If Riley ran 26,400 feet, how many mlles did she run? [Type your answer as a number.]
miles
Answers
#BTS
#Bangtan
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PLEASE HELP ME this is due today
Answers
1. Solve for n: n+5/16 = -1
(A) 96
(B) -96
(C) 21
(D) -21
Answers
Multiply. −37xy(−35x3y2) Enter your answer in the box
Answers
Answer:
Hi! Your answer is 1295x^4y^3
Step-by-step explanation:
Simplify the expression.
Answer:
i got 15x^4y^3
The sum 9 of and x
??
Answers
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In a class of 22 students, 13 have a brother and 15 have a sister. There are 3 students who do not have any siblings. What is the probability that a student has a brother given that they do not have a sister?
Answers
Answer:
1/4
Step-by-step explanation:
The probability that a student has a brother given that they do not have a sister 9/7.
How to calculate the probability of an event?Suppose that there are finite elementary events in the sample space of the considered experiment, and all are equally likely.
Then, suppose we want to find the probability of an event E.
Then, its probability is given;
[tex]\rm P(E)=\dfrac{Number \ of \ favourable \ events}{Number \ of \ total \ events}\\\\[/tex]
In a class of 22 students, 13 have a brother and 15 have a sister.
There are 3 students who do not have any siblings.
3 students don't have a sibling.
The probability that a student has a brother given that they do not have a sister is;
[tex]\rm P(E)=\dfrac{Number \ of \ favourable \ events}{Number \ of \ total \ events}\\\\ \rm P(E)=\dfrac{13+15-22+3}{22-15}\\\\\rm P(E)=\dfrac{31-22}{7}\\\\ P(E)=\dfrac{9}{7}[/tex]
So, the probability that a student has a brother given that they do not have a sister 9/7.
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The two lines represent the distance traveled, over time, by two trains. Which train is traveling more quickly?
Answers
huh show us a picture of it or something,
what is 18 rounded to the nearst 1/4
Answers
Answer:
18
Step-by-step explanation:
1/4 is close to 0 so 18 rounded to the nearest ones place is just 18
Answer:
20
Step-by-step explanation:
When we round to the nearest ten, we will round up to a number that has a zero in the ones place but we have to look at the number in the ones place before we round to determine the number in the tens place. The rule is if the number in the place before the place we need to round (in this case the ones place would be what we look at to determine the rounded tens place) 1-4 is going to round down, keeping the tens place the same and the ones place goes to zero, and if the ones number place is 5-9 then we round up, bringing the ones to zero and the tens up by one tens place.
The ordered pairs (x, y) define the relation Q.
{(4, 5), (-3,2), (5,5), (, - 3)}
Is Q a function?
Answers
Answer:
A
Step-by-step explanation:
Yes, because there is exactly one x-value for every y-value.
Box the greatest decimal and encircle the least decimal in each number.
1. 3.49 3.498 3.149 3.4
2. 333.5 333.56 33.356 3.987
3. 8.047 80.47 804.7 0.8047
4. 700.08 700.088 700.008
5. 0.123 0.457 0.127 0.0678
Answers
Answer:
From greatest to least
1) 3.498 3.49 3.4 3.149
2) 333.56 333.5 33.356 3.987
3) 804.7 80.47 8.047 0.8047
4) 700.088 700.08 700.008
5) 0.457 0.127 0.123 0.0678
Step-by-step explanation:
Explaining just 1st and 4th
1.The number 3.498 is bigger than 3.49 because it's basically this number 3.490
The same thing happens in 2nd and 3rd number 3.49 > 3.40
And the last number I think I don't have to explain :-)
4.700.088 is bigger because 700.08 is smaller
700.080
If you have any questions contact me on amino Ayleena
what is greater 0.059 or .59
Answers
Answer:
.59
because 0.059 is 10 times greater i dont know lol its just common sense that its .59
Plsss asap help with circles geo!!!!
Answers
4. You would subtract 100 from 180 and multiply the 80 by 2 to get 160
5. You would divide 38.5 by 2 and get 9.25. Take that and subtract by 180 and get 160.75 (I’m iffy on this one)
6. 90 degrees since the diameter is perpendicular to the line
you have saved up for a tropical vacation your plane ticket cost $320 what is the maximum that you can spend during your vacation without going over your $1,200 budget
Answers
HELP!! I DON't HAVE MUCH TIME
Answers
2 is what percent of 200
Answers
Answer:
1%
divided 2/ 200 and your answer as a persent is 1%
Step-by-step explanation:
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2 is 1 percent of 200.
What is percentage?Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".
Let 2 is x% of 200.
Now, x% of 200 =2
x/100 ×200 =2
200x=200
x=1
Therefore, 2 is 1 percent of 200.
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1/2(n+2)+4=3n-5
need help
Answers
Answer:
Hi! Your answer is n=4!!
Step-by-step explanation:
Solve for n by simplifying both sides of the equation, then isolating the variable.
for part of a recipe jada adds 0.35 milliliters of vanilla extract to 16.4 milliliters of milk. How many milliliters does the mixture contain??
Answers
Step-by-step explanation:
I believe it is 16.75 because 0.35 + 16.4 is 16.75 why is it addition decimals? Because it says How many milliliters does the mixture contain. It is talking about both combined.
if you sprain your ankle and place a cold pack on it in which direction does thermal energy move
Answers
Answer:It will move right
Step-by-step explanation:
Please help me everytime I post this no one helps :( and I need this done soon
Answers
Answer:
Its should be 1 because the graph shows you thats its 1
NEED HELP! find the slope of the line that passes through the two given points (-3,4) and (-3, -8)
Answers
Answer:
Y=0
Step-by-step explanation:
The x axis is the same making the line a horizontal line. A horizontal line has a slope of 0
PLEASEEE HELP ASAP ITS IMPORTANT !!!!
Answers
Answer:
The rate of change in the table is 78 students per year
Step-by-step explanation:
Here, we want to get the rate of change of the function
Mathematically, we can get this by using the formula;
m = (y2-y1)/(x2-x1)
(x1,y1) and (x2,y2) are points we are to select from the table
Let us select the point (4,704) and (17,1718) from the table
The slope is thus;
m = (1718-704)/(17-4) = 78 students per year