PLEASE HELP DUE IN 40 MINS!! Using the Law of Sines, find the exact answer for x.
45°
X
30°
12
Answers
Answer:
Step-by-step explanation:
Sin(30) / X = Sin(45) / 12
use algebra to isolate X
1 / X = [ Sin(45) / 12 ] / Sin(30)
flip both sides
X = Sin(30) / [Sin(45) /12 ]
invert the denominator on the right side
X = Sin(30) * 12/ Sin(45)
Do you know what Sin(30) is off the top of your head?
and also Sin(45) ?
these are worth remembering... and you can b/c they are just
sin(0) = 0/2
sin(30) = 1 / 2
sin(45) = [tex]\sqrt{2}[/tex]/2
sin(60)= [tex]\sqrt{3}[/tex] / 2
sin(90) = [tex]\sqrt{4}[/tex] / 2 (aka 1)
note the numerators just counts up 0, 1, 2, 3, 4 :)
Cos works the same way but counts from 90° back to 0 but exactly like sin other wise, hence why Cos and Sin both = [tex]\sqrt{2}[/tex]/2 at 45 °
anyway
X = 1 / 2 * 12/ [tex]\sqrt{2}[/tex]/2
X = 3[tex]\sqrt{2}[/tex]
A=3
B= 2
:) nice , huh
Related Questions
Tilly the dog barks every 9 seconds.
Billy the dog barks every 12 seconds.
They both bark at the same time.
After how many seconds will they next bark at the same time?
Answers
Answer:
36 seconds
Step-by-step explanation:
36 is the lowest common multiple of 9 and 12.
According to this question, you must find the L.C.M
So,
L.C.M. (Least.Common.Multiple)
●You divide by prime numbers
●You take common and uncommon ones
●You Multiply
9= 3×3
12=2×2×3
L.C.M= 3× 2×2×3
=36 seconds
ANSWER= 36 SECONDS
How to solve? Would you divide by 4? 4 representing the four corners
Answers
Answer:
paper left = 168.56 units²
Step-by-step explanation:
first, figure the area of the square:
area of square = 28x28 = 784 units²
second, figure the area of the circle:
radius = 1/2of 28 = 14
area of circle = Pi x Radius² = (3.14)(14)² = 615.44 units²
subtract area of circle from area of square:
784 - 615.44 = 168.56 units²
Suppose you go to a company that pays 0.05 for the first day, 0.1 for the second day, 0.2 for the third day and so on. If the daily wage keeps doubling, what will your total income be for working 30 days ?
Total Income =
Answers
Answer:
I think the correct answer is $26,843,545.6
Step-by-step explanation:
pls i need help with this math question what is 17 - 12
Answers
Hope this Helps!
What is the slope of y= -4y
Answers
Answer: 0
Step-by-step explanation:
Trust me this is right.
Jeff bought 3 bags of chips and some salsa. the salsa was 2.88. And the total cost was 7.35.. What was the cost of the chips
Answers
Answer:
$1.49 per bag $4.47 for all 3
which of the following solutions is the most acidic A. a solution is the most acidic B. a solution with pH of 2 C. a solution with pH of 7 D. a solution with a pH of 9
Answers
Answer:
to gorvenit means group
radius = 3 4/5 m
Hubby bbb bbb.
Answers
Answer: 2
Step-by-step explanation:
Ben is laying a triangular brick patio beside his wood deck.
25 ft
10 ft
12 ft
What is the area of the brick patio?
Answers
Step-by-step Explanation:
Whenever u see the word ‘area’ in a math equation, you always multiply! :)
Compute the probability that a five-card poker hand is dealt to you that contains all hearts.
Answers
Answer:
the probability of this happening is 13 out of 52 chance.
what is the formula to calculate the perimeter of the circle
Answers
Answer:
2πr
Step-by-step explanation:
when we use this formula it will come ans
please i think it is right
please follow me ok
Answer:
Hey mate......
Step-by-step explanation:
This is ur answer.......
C = 2πrHope it helps you!
Mark me brainliest pls......
Follow me! :)
Which theorem is the following?
"If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment"
Answers
Answer:
Perpendicular bisector theorem
Step-by-step explanation:
The illustration of the theorem is:
If point B is a perpendicular bisector of Line AC and the length of AC is 10cm
Then
[tex]AB + BC = 10[/tex]
Where
[tex]AB = BC[/tex] --- Perpendicular bisector
So, the equation becomes
[tex]AB + AB =10[/tex]
[tex]2AB =10[/tex]
[tex]AB = 5[/tex]
Recall: [tex]AB = BC[/tex]
[tex]AB = BC = 5[/tex]
A triangle has angle measurements of 72°, 32°, and 76º. What kind of triangle is it?
acute
right
obtuse
Answers
The perimeter of a rectangular painting is 272 cm if the width of the painting is 61 cm, what is its length?
Answers
Answer: length = 75 cm
Step-by-step explanation:
61 x 2 = 122
272-122= 150
150 divided by 2 = 75
check: 75+61= 136
136 x 2 = 272
hope this helps!
Ji-yoon bought 30 boxes of softballs at the beginning of the season.
Each box contained 6 softballs. Ji-yoon gained an additional 29
softballs so far this season. Which equation represents the number of
softballs, b, that Ji-yoon has now?
Answers
Answer:
b=(30×6)+29
Step-by-step explanation:
Hope this helps :)
A botanist is studying a newly identified soybean disease. The botanist collected soil samples from all of the
soybean fields in randomly selected states to see if there were significant differences the sulfur levels in fields with and without the disease.
1. What is the population?
-all u.s. soil
-all u.s. soybeans
2. What is the sample?
-selected u.s. soil
-selected u.s. soybean fields
3. What is the variable of interest?
-amount of sulfur in soil
-number of soybeans with the disease
4. How was the sample selected?
5. What method was used to collect the data?
6. Is the variable qualitative or quantitative?
7. Is the variable continuous or discrete?
Answers
2. selected us soil
3. amount of sulfur in soil
4. using simple random sampling method
5. experimental method
6. quantitative
7. continuous
The sum of two numbers is 58. Twice the second
number subtracted to four times the first number is
28. Find the two numbers.
Answers
Answer:
Step-by-step explanation:
a+b=58 and 4a-2b=28 is the system of equations
solving the first for a, a=58-b, using this value for b in second equation is
4(58-b)-2b=28
232-4b-2b=28
232-6b=28
-6b=-204
b=34, and since a=58-b
a=58-34
a=24
So the two numbers are 24 and 34
( -5/3 ) exponent 2 = ?
Answers
Answer:
25/9
Step-by-step explanation:
I did it on mathaway
Answer:
25/9 or 2.78
Step-by-step explanation:
(-5/3)²= -5/3 x -5/3=
-5x-5= 25
3x3= 9
=25/9
Decimal form: 25/9= 2.777
The area: is about? UHH anyone know this??!!
Answers
Answer:
1.77 ft.^2
Step-by-step explanation:
What we know: diameter of circle is 1.5
What we need: the radius to find the area of a circle
What we can do: Divide 1.5 by two to get the radius(since the diameter is twice the radius : radius x 2 = diameter)
Math --> 1.5 divide by 2 = .75
What we need to know: Formula of finding Area of Circle is A=(pie)r^2
Insert what we know: A=(pie).75^2
Work out problem(do radius to the second power first)#1: .75^2 = .5625(unrounded)
Work out problem(multiply number by pie))#2: .5625 multiplied by (pie) = 1.7671458676442586966352369030947
Round Answer to nearest hundredth: 1.77 ft.
Note: I use the pie sign for this problem. So I used : 3.1415926535897932384626433832795
I used a scientific calculator for the calculations.
^2 is added after the unit to show Area.
To the second power is multiplying the number by itself. Example: 4^2 = 16 = 4 x 4
Write an equivalent expression to
show the relationship between
multiplication and addition,
3x5
Answers
5+5+5
3+3+3+3+3
5x3
3x5
Which solution set is graphed on the number line?
-4 -3 -2
-1
0
1
2
3
4
"x21
C
X> 1
x < 1
X31
Answers
Answer:
for this one option C will be your answer
Step-by-step explanation:
Joe added 1,500 liters of water to his pool. How many kiloliters did he add to his pool?
Answers
Answer:
1.5 kiloleter
Step-by-step explanation:
1 kiloleter = 1000 liters
so
1500 liters = 1.5 kiloleters
pls mark brainliest if possible lol
Answer:
1 1/2 kl
Step-by-step explanation:
1 kiloliter is a 1,000 liters, so 1 liter and 500 is 1/2 of 1,000
the bar graph shows the results of spinning a spinner 100 times. use the bar graph to find the experimental probability of the event.
Spinning a 2
Answers
Answer:
you will have an 18% chance of rolling a 2.
Step-by-step explanation:
18/100 = 18
The probability of spinning an even number is 39/10
What is probability?Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.
Here, we have,
to determine the probability of spinning an even number.
The missing bar chart is added as an attachment
The bar chart (see attachment) represents the graph that would be used to calculate the required probability
On the bar chart, we have the sample size of the even number
Even number = 18 + 21
Even number = 39
So, we have
P(Even) = Even/Total
By substitution. we have
P(Even) = 39/100
Hence, the probability is 39/100
Read more about probability at
brainly.com/question/251701
#SPJ2
How can simple interest make saving money easier?
a.
Because it is simple, you have to do fewer calculations than if you saved money without it.
b.
Simple interest allows your money to earn money, so you have to save less.
c.
You are more motivated to reach goals that you are interested in, so you are less likely to abandon your savings plan.
d.
A bank with a simple interest savings plan will automatically transfer money from your paycheck to your savings account, letting you save without any extra effort.
Answers
Answer:
Your answer is b
Answer: B
Step-by-step explanation:
How can simple interest make saving money easier?
a.
Because it is simple, you have to do fewer calculations than if you saved money without it.
b.
Simple interest allows your money to earn money, so you have to save less.
c.
You are more motivated to reach goals that you are interested in, so you are less likely to abandon your savings plan.
d.
A bank with a simple interest savings plan will automatically transfer money from your paycheck to your savings account, letting you save without any extra effort.
1. How many triangle make a trapezoid
Answers
A trapezoid consists of two triangles.
A trapezoid does indeed contain two triangles within its structure. A trapezoid is a quadrilateral with one pair of parallel sides.
The other two sides, known as the legs, are not parallel and meet at a point. These legs, along with the two parallel sides, form two triangles within the trapezoid.
One triangle is formed by connecting the two legs and one of the parallel sides. The other triangle is formed by connecting the two legs and the other parallel side.
So, a trapezoid consists of two triangles.
Learn more about Trapezoid here:
https://brainly.com/question/19340938
#SPJ6
Write an observation that you see on the graph
Answers
hope this helps!
46 is greater than x.
Question options:
46 > x
46 < x
46 ≥ x
46 ≤ x
Answers
Aaaaaaaaaaaaaaaaaaaa
Answer:
Step-by-step explanation:
46>x
NEED MAJOR HELP PLEASE IM BEGGING ASAP
Answers
Answer:
12
Step-by-step explanation:
proportions
Juan has 36 in of string how many 3 and 1/4 in pieces can one cut from the string? a. 8 b.9 c.11 d.12?
Answers
Answer:
c. 11
Step-by-step explanation:
36 divided by 3.25 is a little over 11. That little extra is a remainder and cannot be put into 3.25 again, and so 11 is the right answer.
Juan can cut a maximum of 11 pieces from the string.
What is a fraction?A fraction is written in the form of a numerator and a denominator where the denominator is greater that the numerator.
We have two types of fractions.
Proper fraction and improper fraction.
A proper fraction is a fraction whose numerator is less than the denominator.
An improper fraction is a fraction where the numerator is greater than the denominator.
Example:
1/2, 1/3 is a fraction.
3/6, 99/999 is a fraction.
1/4 is a fraction.
We have,
To find out how many 3 and 1/4-inch pieces Juan can cut from his 36-inch string, we can divide the length of the string by the length of each piece.
First, we need to convert 3 and 1/4 inches to a decimal form:
3 and 1/4 inches = 3.25 inches
Now we can divide the length of the string by the length of each piece:
36 inches ÷ 3.25 inches/piece ≈ 11.08 pieces
Thus,
Since Juan cannot cut a fraction of a piece, he can cut a maximum of 11 pieces from the string.
Learn more about fractions here:
https://brainly.com/question/24370499
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Please anyone help me on this
Answers
Answer:
1
Step-by-step explanation:
(f-g)(x) = f(x) - g(x)
or we can also do
(f-g)(x) = 5x - |x + 7|
f(2) = 5*2 = 10
g(2) = |2 + 7| = |9| = 9
(f-g)(2) = f(2) - g(2) = 1