The length of r is 2.4 inches.
What is the law of sines ?
The law of sines specifies how many sides there are in a triangle and how their individual sine angles are equal. The sine law, sine rule, and sine formula are additional names for the sine law.
Given, In ΔQRS, s = 5.2 inches, ∠S=129° and ∠Q=30°
We know that, The sum of all angles of a triangle is 180°.
So, ∠Q + ∠R + ∠S = 180°
∠R = 180° - 129° - 30°
= 21°
Now, We also know that the law of sines specifies how many sides there are in a triangle and how their individual sine angles are equal.
So, q/Sin Q = r/Sin R = s/Sin S
Or, we can say
r/Sin R = s/Sin S
r/Sin 21° = s/Sin129°
r/Sin 21° = 5.2 / Sin 129°
r = 5.2 × Sin 21°/Sin 129°
= 5.2 × 0.46
= 2.4 inches.
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Which graph represents the parametric equations x(t) = t + 3 and y(t) = t2 – 1 for –1 ≤ t ≤ 3?
Answer:
Graph 4 or D on edge
Step-by-step explanation:
guy above is correct
The formula that is used for calculating a parametric equation when converting from rectangular to parametric is y=f(x)
What is a Parametric Equation?This refers to the type of equation that is used to show an independent variable called a parameter, usually with the number 1.
Please note that your question is incomplete so I gave you a general overview to give you a better understanding of the concept.
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Factor this trinomial completely.
15x2 + 11x- 12
O A. (x+3)(15x – 4)
O B. (x + 4)(15x – 3)
O C. (3x + 4)(5x - 3)
O D. (3x + 3)(5x - 4)
Answer:
(5x-3)(3x+4)
Step-by-step explanation:
I hope this helps
What is (f+g)(x)? f(x)= – x2+7x g(x)=3x Write your answer as a polynomial or a rational function in simplest form.
Answer:
[tex](f+g)(x) = -x^2 + 10x[/tex]
Step-by-step explanation:
We are given these two following functions:
[tex]f(x) = -x^2 + 7x[/tex]
[tex]g(x) = 3x[/tex]
Sum of the functions:
To find the sum of the functions, we combine the like terms. So
[tex](f+g)(x) = f(x) + g(x) = -x^2 + 7x + 3x = -x^2 + (7+3)x = -x^2 + 10x[/tex]
[tex]-x^2 + 10x[/tex] is the answer
what is the area of a square with an apothem length of 14 inches?
Answer:
784
Step-by-step explanation:
A = 1/2ap A = area , a = apothem , p = perimeter
a = 1/2s a = apothem length , s = side length
14 = 1/2s , 14(2) = 1/2s(2) , 28 = s
p = 4(s) , p = 4(28) , p = 112
A = 1/2ap , A = 1/2(14)(112) , A = 784
or
A = s^2 , A = 28^2 , A = 784
The area of a square with an apothem length of 14 inches is 784 inches.
What is apothem?The perpendicular from the center of a regular polygon to one of the sides.
As, A = 1/2*a*p
where, A = area , a = apothem , p = perimeter
Also, a = 1/2s
where, a = apothem length , s = side length
14 = 1/2s
14*2=s
s=28 inches.
Now, perimeter of square
p = 4(s)
p = 4(28)
p = 112 inches
Now, Area of square,
A = 1/2ap
A = 1/2*(14)*(112)
A = 784 inches
Hence, the area of square is 784 inches.
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Please help me with the math questions!!!
1. Becky received $1,900 from her tax returns last year. If she invests that money in an account that yields 5.9% interest and is not compounded, how much interest will she earn if she leave the money in the account for 2 3/4 years?
2. Edward invested $43,800 in an account with yields 4.8% annually and is not compounded. How much will be in the account after two years?
3. Frank invested $12,700 add 8.8% interest that is compounded annually. What is his total balance after five years?
4. When Georgia started kindergarten, her parents set aside $10,000 in an account that yielded 5.6% interest compounded annually to pay for her college tuition. After six years of elementary school, three years of middle school and four years of high school, how much was in the account for Georgia’s college to tuition?
5. Harrison has an account with a balance of $155.59. This account has an interest rate of 9.4% compounded annually and the initial investment was two years ago. How much was the initial investment?
6. Iago invested $1240 in an account that yields 8% and is compounded annually. How much interest will Iago earn after two years?
7. At the end of three years, Josh had a balance of $1837.57 in an account that yielded 7% interest compounded annually. How much of that was interest?
Answer:
#1. $308.28
#2. $48,004.80
#3. $19,361.91
#4. $20,306.31
#5. $130.00
#6. $206.38
#7. $337.57
Step-by-step explanation:
All rounded to the near tenths place
and i just did this same assignment rn
Help me please lol nnb
Answer:
128
Step-by-step explanation:
Complete the square to find the vertex of this parabola. Please help will mark brainliest!
What is the measure of EGF?
What is the measure of CGF?
Answer:
[tex]EGF = 65\\ CGF = 115[/tex]
1. Write the word sentence as an equation. 2. Then solve the equation. 5/7a=25
Answer:
a = 35
Step-by-step explanation:
5/7a = 25
multiply both sides by 7:
5a = 175
divide by 5:
a = 35
Hope this helps !!!
Eighth grade T.12 Surface area of cylinders FGU What is the surface area of this cylinder? Use as 3.14 and round your answer to the nearest hundredth. 4 cm 6 cm square centimeters
Answer:
nosbao
Step-by-step explanation:
Help!! What is the reduced and simplified value of the expression given below?
Answer:
Your answer will be 8
Step-by-step explanation:
Hope it helps u. ..
Answer:
8
is the correct answer of this question
hope it helps and your day will be full of happiness
URGENT Find the area of the shaded region.
Answer: 3.32276 units squared
Step-by-step explanation:
area of total sector=(pi*r^2)/360
=2^2 * 120pi /360
=4*120/360 * pi
=4.1887902
area of the triangle=(1/2)*base*height
the height is 1 (because you can divide the triangle down the middle to make a 30 60 90 triangle, and the sin(30)=x/2, so 2sin(30)=x, x=(1/2)*2
the base is equal to [tex]\sqrt{3}[/tex] because the base of the 30 60 90 triangle is 2sin(60), and sin60 is [tex]\sqrt{3}[/tex]/2, so you have to double that to get the area of the 120 degree triangle.
the area of the triangle is (1/2)*1*[tex]\sqrt{3}[/tex]=[tex]\sqrt{3} /2[/tex]=0.866025
so the difference is 4.1887902-0.866025
=3.32276 units squared
The local weather report stated there is a
3
chance of rain on Saturday. How likely is it to rain?
4?
Answer:
likley
Step-by-step explanation:
Its not certain at the fraction isn't 4/4 it is likely though as the there is a 3/4 chance which is more than half.
A 17 foot long lodder is leaning against a house the base of the ladder is 9 feet from the house how high up the house does the ladder reach
Can someone please answer this
Answer:
It is true
Step-by-step explanation:
It is the same shape, it is just moved to a different spot on the graph because of translations.
solve for x
2 3/4 x = 11 11/12
Answer:
If your question mean : 2×3/4×X = 11×11/12 then ans is (121/18) I.e. 6.722
Step-by-step explanation:
1) multiply all the numerator part
2) Cross multiply and solve for X.
HELPPPPPPP!!!!!!!!!!!!!!
Answer:
the top and bottom ones
Step-by-step explanation:
What is the first quartile of the data shown in the box plot
Answer:
55 to 70
Step-by-step explanation:
The first quartile is the left-most region of the graph, from 55 to 70. The second quartile stretches from 70 to 80.
To determine the amount of peanuts a bag will hold, Toby needs to find the
A: Area
B: Length
C: Perimeter
D: Volume
Answer:
D: Volume
Step-by-step explanation:
Answer:
area
Step-by-step explanation:
IL GIVE BRAINLY IF YOU CAN HELP ME ON THESE 2
Answer:
THE answers to both questions are A
Step-by-step explanation:
Answer:
a for both
Step-by-step explanation:
just move point c on the graph where it tells u to. a translation only affects location
Find the distance from Point A to Point B The distance is __ units (round to the nearest tenth if needed)
Answer:
8.6 units
rounded would be just 9 ig?
Is –2,823,680 − 8,957,599 positive or negative?
Answer:
negative
Step-by-step explanation: it has negative signs
Find the area of the figure round to the nearest tenth
Answer:
72.0
Step-by-step explanation:
Can someone please help me with this math question??
pls help, I need this :)
Answer:
1st statement is true
Step-by-step explanation:
The 1st statement is true since .25 is 25/100
The 2nd statement is false since 20 / 10 = 2 not .20 which is 2/10
The 3rd statement is false since 2/3 = .6666667 not .23
The 4th statement is false since .4 = 4/10 not 1/4 which is .25
Please help me there is an image.
HELP HELP HELP HELP HELP
Answer:
the 2nd answer: w=36/4
Step-by-step explanation:
"w" is the number of songs Noah has, and since his number is song is one-quarter(1/4) of Tyler's songs, you have to do 36 divided by 4 (aka 36/4). hope this helps :)
HEllllpp! Will give brainlyiest!!
Use the diagram below for this question. The angle bisectors of triangle ABC meet at G.
If m∠ ABC = (4x + 12) degrees and m∠ GBA = (3x – 4) degrees , find m∠ GBC.
26 degrees
44 degrees
52 degrees
36 degrees
enti ses lol ingeAnswer:no sw
sonçStep-by-step explanation:
HEY CAN SOMEONE HELP ME WITH MY LASTEST MATH QUESTION I WILL GIVE BRAINLIST PLEASE :)))
Answer:
I would love to help!!
Step-by-step explanation:
The ratio of the number of boys to the number of girls in a choir is 7 to 4. There are 48 girls in the choir. How many boys are in the choir? A. 75 B. 84 C. 48 D. 90
Answer:
84boys
Step-by-step explanation:
boys:girls
7:4
4= 48
7=?
=84boys
Chuck left his house to ride his bike in a path like the right triangle
shown. How many total miles did Chuck ride his bike?