Answer:
The initial value of the given geometric sequence is 2.
Step-by-step explanation:
The given points are (1,2), (2,4) and (3,8).
It means the first term is 2, second term is 4 and third term is 8. So, the common ratio is
[tex]r=\frac{a_2}{a_1}=\frac{4}{2}=2[/tex]
A geometric sequence is defined as
[tex]f(n)=ar^{n-1}[/tex]
Where, a is first term of the sequence, r is common ratio and n is number of term. In other words f(1) is the initial value of the geometric sequence.
The given geometric sequence is
[tex]f(n)=2(2)^{n-1}[/tex]
The value of f(1) is 2.
Therefore the initial value of the given geometric sequence is 2.
Answer:Just took the test, it is 2 on edg
Step-by-step explanation:
:)
given the eaquation y-4=3/4 (x+8) in the point-slope form, identify the equation of the same line in standard form.
Answer:
[tex]\large\boxed{3x-4y=-48}[/tex]
Step-by-step explanation:
The standard form of an equation of a line
[tex]Ax+By=C[/tex]
We have the eqution in the point-slope form:
[tex]y-4=\dfrac{3}{4}(x+8)[/tex]
Convert it to the standard form:
[tex]y-4=\dfrac{3}{4}(x+8)[/tex] multiply both sides by 4
[tex]4y-16=3(x+8)[/tex] use the distributive property
[tex]4y-16=3x+32[/tex] add 16 to both sides
[tex]4y=3x+48[/tex] subtract 3x from both sides
[tex]-3x+4y=48[/tex] change the signs
[tex]3x-4y=-48[/tex]
Please help!! Local wildlife experts have begun to track the population of trout in their area. The function f represents the approximate population of trout in Sky Lake, and the function g represents the approximate population of trout in Lake Cyan, where t is the number of months since experts began tracking the populations.
f(t) = 1.5t + 50
g(t) = 0.1t^2 - 4t + 70
Find the expression that describes the total trout population in the area after t months, f(t) + g(t).
A. 0.1t^2 + 5.5t +120
B. 0.1t^2 - 5.5t +120
C. 0.1t^2 - 2.5t + 120
D. 0.1t^2 + 2.5t + 120
Answer:
Option C.
Step-by-step explanation:
We know that
f(t) = 1.5t + 50
represents the approximate population of trout in Sky Lake
And
g(t) = 0.1t^2 - 4t + 70
represents the approximate population of trout in Lake Cyan
The total trout population in the area is described as
f(t) + g(t)
f(t) + g(t) = [1.5t + 50] + [0.1t^2 - 4t + 70]
f(t) + g(t) = [1.5t + 50+ 0.1t^2 - 4t + 70]
f(t) + g(t) = [0.1t^2 -2.5t + 120]
f(t) + g(t) = 0.1t^2 -2.5t + 120
Option C.
What is the volume of the cylinder below?
Answer:
[tex]\large\boxed{D.\ 2160\pi\ units^3}[/tex]
Step-by-step explanation:
[tex]\text{The formula of a volume of a cylinder:}\\\\V=\pi r^2H\\\\r-radius\\\H-height\\\\\text{We have}\ r=12\ \text{and}\ H=15.\ \text{Substitute:}\\\\V=\pi(12^2)(15)=\pi(144)(15)=2160\pi[/tex]
The volume of the cylinder is [tex]\( 2160 \pi \)[/tex] units³.
To find the volume of the cylinder, we'll use the formula for the volume of a cylinder, which is given by:
[tex]\[ V = \pi r^2 h \][/tex]
Where:
- V is the volume of the cylinder,
- r is the radius of the cylinder, and
- h is the height of the cylinder.
Given:
- Height h = 15 units
- Radius r = 12 units
We'll substitute these values into the formula:
[tex]\[ V = \pi \times (12)^2 \times 15 \][/tex]
[tex]\[ V = \pi \times 144 \times 15 \][/tex]
[tex]\[ V = 2160 \pi \][/tex]
So, the volume of the cylinder is [tex]\( 2160 \pi \)[/tex] cubic units.
The correct answer is option D: [tex]\( 2160 \pi \)[/tex] units³.
What value for y makes this equation true?
(7xy)+(7x4=7x14
A.2
B.4
C.7
D.10
(r^3+6r^2-21r-18) ÷ (r-3)
Show in Synthetic Division
Answer:
r² + 9r + 6
Step-by-step explanation:
+3| +1 +6 -21 -18
| +3 +27 +18
+1 +9 +6 0
Answer:
=1r² +9r + 6 + 0
=r² +9r + 6 (simplified)
Read on if you want to know how it was done.
To do synthetic division, you first need to get the constant of the divisor and change the sign.
Then list the coefficients of the dividend.
Drop the first coefficient.
Multiply it by the divisor, and write the answer under the next coefficient and add. Repeat till the end.
The answer should be one degree less, the original polynomial.
For this case we must build a quotient such that when multiplied by the divisor, it eliminates the terms of the dividend until it reaches the remainder.
According to the figure we have that the quotient is:
[tex]r ^ 2 + 9r + 6[/tex]
Answer:
Quotient:
[tex]r ^ 2 + 9r + 6[/tex]
See attached image
What is the ratio fraction form of 25:9
Answer:
25/9
Step-by-step explanation:
Fraction is 25/9 and it's simplified.
Hope my answer has helped you if not i'm sorry.
what is 30% of $40 ?
Answer:
$12
Step-by-step explanation:
30 % × $40 = 30 ÷ 100 × 40 = $12
The value of the Percentage 30% of $40 is: $12
How to calculate the percentage?Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100.
Percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".
Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. It is given by:
Percentage = (value / total value) * 100%
Thus:
30% of $40 is calculated as:
30/100 * 40
= 1200/100
= $12
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Lan pays a semiannual premium of $650 for automobile insurance, a monthly premium of $125 for health insurance, and an annual premium of $450 for life insurance.
The monthly expense is $? with explanation
Answer:
Monthly Expense = $270.83
Step-by-step explanation:
The semi-annual premium is paid twice a year so,
Automobile insurance premium for whole year = 650*2
= $1300
Monthly premium will be paid 12 times a year so,
Health insurance premium for whole year = 125*12 = $1500
Annual premium is only paid once a year.
So adding all the premiums will give us the total premiums for whole year.
Total amount of premium for a year = $1300+$1500+$450
= $3250
The premium amount for whole year is $3250. To find the monthly expense, we will divide it by 12.
So monthly expense is:
= 3250/12
= $270.83 ..
To find the monthly expense, calculate the total annual premium for each insurance and divide by 12. The monthly expense is $187.5.
Explanation:To find the monthly expense, we need to calculate the total annual premium for each insurance and divide it by 12 (since there are 12 months in a year).
For automobile insurance, the semiannual premium is $650, so the annual premium is $650 * 2 = $1300.
The monthly premium for health insurance is $125.
For life insurance, the annual premium is $450.
Now, let's calculate the total monthly expense: ($1300 + $125 + $450) / 12 = $187.5.
So, the monthly expense is $187.5.
What kind of taxes are likely to pay for universities and police? a. local taxes b. state taxes c. federal taxes d. income taxes Please select the best answer from the choices provided
b. state taxes are the most likely to pay for universities and police.
Answer:
B
Step-by-step explanation:
The second angle of a triangular kite is four times as large as the first. The third angle is 55 degrees ° more than the sum of the other two angles. Find the measure of the second angle
Answer:
50 degrees
Step-by-step explanation:
As the kite is triangular, the sum of all angles will be 180 degrees.
Let x be the first angle.
Then according to the statement second angle is four times as large as the first, second angle will be:
4x
And according to the statement, the third angle is 55 degrees ° more than the sum of the other two angles, third angle will be:
x+4x+55
So,
x+4x+x+4x+55=180
10x+55=180
10x= 180-55
10x=125
x=125/10
x=12.5 degrees
So first angle is 12.5 degrees.
Second angle = 4(12.5)
=50 degrees
Third angle = x+4x+55
= 12.5+50+55
= 117.5 degrees
To check if the sum of angles is 180 degrees
= 12.5+117.5+50 = 180
Hence, second angle is 50 degrees ..
Use the balanced scale to find the number of grams in 17 kilograms.
Hello! My name is Zalgo and I am here to help you out on the beautiful day!. The answer to your question would be that 17000 grams is the same weight as 1 kilogram since 1 kilogram is the same weight as 1000 grams.
I hope that this helps! :P
"Stay Brainly and stay proud!" - Zalgo
(By the way, can you mark me as Brainliest? I'd greatly appreciate it! Thanks! X3)
Final answer:
To convert 17 kilograms to grams, multiply 17 by 1000 to get 17000 grams.
Explanation:
To find the number of grams in 17 kilograms, we need to understand the relationship between kilograms and grams. One kilogram is equal to 1000 grams. Therefore, to convert kilograms to grams, we multiply by 1000.
Step-by-step conversion:
Start with the given weight in kilograms: 17 kg.Multiply this number by 1000 to convert to grams: 17 kg × 1000 = 17000 grams.So, 17 kilograms is equal to 17000 grams.
A
passes through A(-3,0) and B(-6,5). What is the equation of the line that passes through the origin and is parallel to AB?
OA. 5x - 3y = 0
B. -* + 3y = 0
c. 5x - 3y = 0
D. 3x + 5y = 0
E. -3x + 5y = 0
Answer:
B. 5x + 3y = 0Step-by-step explanation:
Parallel lines have the same slope.
The slope-intercept form of an equation of a line:
[tex]y=mx+b[/tex]
m - slope
b - y-intercept
The formula of a slope:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
We have the points A(-3, 0) and B(-6, 5). Substitute:
[tex]m=\dfrac{5-0}{-6-(-3)}=\dfrac{5}{-3}=-\dfrac{5}{3}[/tex]
The line passes through the origin, therefore the y-intercept is equal to 0.
Therefore we have the equation:
[tex]y=-\dfrac{5}{3}x[/tex]
Convert to the standard form [tex]Ax+By=C[/tex]
[tex]y=-\dfrac{5}{3}x[/tex] multiply both sides by 3
[tex]3y=-5x[/tex] add 5x to both sides
[tex]5x+3y=0[/tex]
The equation of the line parallel to AB passing through the origin is 5x - 3y = 0.
The equation of the line that passes through the origin and is parallel to AB is 5x - 3y = 0.
To find the equation of a line parallel to AB passing through the origin, we first need to find the slope of AB, which is (5 - 0) / (-6 + 3) = 5 / -3 = -5/3.
Since the line passing through the origin and parallel to AB has the same slope, its equation will be of the form y = mx. Substituting the point (0, 0) into y = -5/3x gives us y = -5/3x, which simplifies to 5x - 3y = 0.
The graph of the parent function f(x) = x3 is translated such that the resulting graph can be represented by the function g(x) = (x – 1)3 + 1. Which is the graph of g(x)?
Answer:
1st graph in edgnuity
Step-by-step explanation:
Answer:
1st graph
Step-by-step explanation:
i got it correct
A 52 year-old father has a son and a daughter. The son is twice as old as the daughter. In 4 years the sum of all their ages will be 100. How old are the two siblings now? (RSM problem)
Answer:The age of daughter is 12 years and age of son is 24 years
Step-by-step explanation:
Given :
Present age of father = 52 years
Let the present age of daughter be x
So according to the question son's age is twice that of daughter's
So present age of son =2x
Now after 4 years the sum of their ages = 100
i.e. x+4 + 2x+4 + 52 +4 =100
3x+ 64 = 100
Subtracting both sides by 64 we get
3x + 64 - 64=100 -64
3x = 36
Dividing LHS and RHS by 3 we get
x=12
i.e. Present age of daughter = x = 12 years
Present age of son = 2x = 2× 12= 24 years
a student measured the temperature in degrees celsius for several winter days and recorded the data in a list find the average of the temperatures listed 6,-7,-5,5,-8,3
Answer:
Average = -1°C
Step-by-step explanation:
The data recorded is;
6, -7, -5, 5, -8, 3 (in °C)
Average = [tex]\frac{6 - 7 - 5 + 5 - 8 + 3}{6}[/tex] = -1°C
Answer:
Average temperature listed will be (-1).
Step-by-step explanation:
As we know average of any given set of numbers is = [tex]\frac{\text{Sum of all the numbers}}{\text{Total numbers }}[/tex]
Now the given set of temperatures is 6, -7, -5, 5, -8, 3
Now Sum of all numbers = 6 + (-7) + (-5) + 5 + (-8) + 3
= (-6)
Total numbers = 6
Now average temperature will be = [tex]\frac{-6}{6}=(-1)[/tex]
Therefore, average temperature listed will be (-1).
find the simplified product ^3 sqrt 9x^4 * ^3 sqrt 3x^8
[tex]\bf ~\hspace{7em}\textit{rational exponents} \\\\ a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} ~\hspace{10em} a^{-\frac{ n}{ m}} \implies \cfrac{1}{a^{\frac{ n}{ m}}} \implies \cfrac{1}{\sqrt[ m]{a^ n}} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \sqrt[3]{9x^4}\cdot \sqrt[3]{3x^8}\implies (9x^4)^{\frac{1}{3}}\cdot (3x^8)^{\frac{1}{3}}\implies 9^{\frac{1}{3}}\cdot x^{4\cdot \frac{1}{3}}\cdot 3^{\frac{1}{3}}\cdot x^{8\cdot \frac{1}{3}}[/tex]
[tex]\bf 9^{\frac{1}{3}}\cdot 3^{\frac{1}{3}}\cdot x^{\frac{4}{3}}\cdot x^{\frac{8}{3}}\implies (3^2)^{\frac{1}{3}}\cdot 3^{\frac{1}{3}}\cdot x^{\frac{4}{3}+\frac{8}{3}}\implies 3^{\frac{2}{3}}\cdot 3^{\frac{1}{3}}\cdot x^{\frac{12}{3}} \\\\\\ 3^{\frac{2}{3}+\frac{1}{3}}x^4\implies 3^{\frac{3}{3}}x^4\implies 3x^4[/tex]
Answer:
[tex]3x^4[/tex]
Step-by-step explanation:
[tex]\sqrt[3]{9x^4} \cdot \sqrt[3]{3x^8}[/tex]
To simplify it we multiply all the terms inside the cube root
[tex]\sqrt[3]{9x^4} \cdot \sqrt[3]{3x^8}[/tex]
[tex]\sqrt[3]{9x^4 \cdot 3x^8}[/tex]
Now we apply exponential property
[tex]a^m \cdot a^m = a^{mn}[/tex]
[tex]x^4 \cdot x^8 = x^{12}[/tex]
[tex]\sqrt[3]{9x^4 \cdot 3x^8}[/tex]
[tex]\sqrt[3]{27x^{12}}[/tex]
Now we take cube root
[tex]\sqrt[3]{27}=3[/tex]
[tex]\sqrt[3]{x^{12}}=\sqrt[3]{x^3 \cdot x^3 \cdot x^3 \cdot x^3}=x^4[/tex]
[tex]\sqrt[3]{27x^{12}}[/tex]
[tex]3x^4[/tex]
points A(-2,4), B(1,3), C(4,-1) and D form a parallelogram what are the coordinates of d?
Answer:
answer is (1,0)
Step-by-step explanation:
Let the coordinates of D be (a,b).The diagonals of a parallelogram bisect each other.The midpoint of AC should be the same as the midpoint of BD.Compare corresponding coordinatesThis implies that:, , , Therefore the coordinates of D are: (1,0)
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Please help picture is there
Answer:
B
Step-by-step explanation:
Using the rule of radicals/ exponents
[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]
[tex]a^{\frac{m}{n} }[/tex] ⇔ [tex]\sqrt[n]{a^{m} }[/tex]
Given
[tex]\sqrt[3]{x^5 y}[/tex]
= [tex]\sqrt[3]{x^5}[/tex] × [tex]\sqrt[3]{y}[/tex]
= [tex]x^{\frac{5}{3} }[/tex] [tex]y^{\frac{1}{3} }[/tex] → B
Rosemarie drove from Philadelphia, Pennsylvania, to Pittsburgh, Pennsylvania. The distance between Philadelphia and Pittsburgh is 305 miles. Rosemarie reached Pittsburgh 5 hours after she left Philadelphia. What is the speed at which she drove her car?
Answer:
The speed was [tex]61\frac{miles}{hour}[/tex]
Step-by-step explanation:
we know that
The speed is equal to divide the distance by the time
Let
s------> the speed in miles per hour
d ----> the distance in miles
t ----> is the time in hours
we know that
[tex]s=\frac{d}{t}[/tex]
we have
[tex]d=305\ miles[/tex]
[tex]t=5\ hours[/tex]
substitute
[tex]s=\frac{305}{5}[/tex]
[tex]s=61\frac{miles}{hour}[/tex]
A 12 feet piece of wood is to be cut into two pieces. One piece must be 8 feet longer than the other. Find the length of each piece
Answer:
2 and 10
Step-by-step explanation:
In order to solve these types of problems, you should first subtract the difference of the two pieces. You get 4. Divide by 2 (two pieces) and there are 2 and 2. Add the 8 back to one of them, and you get 10 ad 2.
Which of the following is a radius of circle B?
BN
MD
NH
Following are the calculation to the radius of circle B:
One of the most important aspects of a circle is the radius. It is also the distance between the circle's center as well as any location on its circumference. In other terms, the diameter of a circle is indeed the continuous line that connects the center of a circle to every point on its circumference.In the given images except for the second circle image, all were wrong because they don't represent circle B.Therefore, the answer is "BN".
Learn more:
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Prove by mathematical induction that 1+2+3+...+n= n(n+1)/2 please can someone help me with this ASAP. Thanks
Let
[tex]P(n):\ 1+2+\ldots+n = \dfrac{n(n+1)}{2}[/tex]
In order to prove this by induction, we first need to prove the base case, i.e. prove that P(1) is true:
[tex]P(1):\ 1 = \dfrac{1\cdot 2}{2}=1[/tex]
So, the base case is ok. Now, we need to assume [tex]P(n)[/tex] and prove [tex]P(n+1)[/tex].
[tex]P(n+1)[/tex] states that
[tex]P(n+1):\ 1+2+\ldots+n+(n+1) = \dfrac{(n+1)(n+2)}{2}=\dfrac{n^2+3n+2}{2}[/tex]
Since we're assuming [tex]P(n)[/tex], we can substitute the sum of the first n terms with their expression:
[tex]\underbrace{1+2+\ldots+n}_{P(n)}+n+1 = \dfrac{n(n+1)}{2}+n+1=\dfrac{n(n+1)+2n+2}{2}=\dfrac{n^2+3n+2}{2}[/tex]
Which terminates the proof, since we showed that
[tex]P(n+1):\ 1+2+\ldots+n+(n+1) =\dfrac{n^2+3n+2}{2}[/tex]
as required
which statements are true?
Please see picture
Answer:
Following are the statements:
a. logₐb - logₐc = logₐb/logₐc
False.
b. logₐB - logₐc = logₐ(b/c)
True.
c. log₄(5x+16) = log₄5x+log₄16 = 2 +log₄5x
False.
d. log₄(5x*16) = log₄5x+log₄16 = 2 +log₄5x
True.
e. logₐ(3x)₂ = 2 logₐ3 + logₐx
False.
f. logₐ(3x)₂ = 2 logₐ3 + 2 logₐx
Answer:
a. False
b. True
c. False
d. True
e. False
f. True
Step-by-step explanation:
By properties of logarithms:
a. False: ㏒ₐb-㏒ₐc ≠ (㏒ₐb / ㏒ₐc) does not exists that property
b. True: (㏒ₐb)-(㏒ₐc) = ㏒ₐ(b/c) Logarithm of a Quotient
c. False: Does not exists the property: ㏒ₐ(c+b) = ㏒ₐc + ㏒ₐb
so
㏒₄(5x+16) ≠ ㏒₄5x + ㏒₄16 but, ㏒₄16 + ㏒₄5x = 2 + ㏒₄5x
because ㏒₄16 = 2.
d. True: Logarithm of a Product: ㏒ₐ(c×b) = ㏒ₐc + ㏒ₐb
so
㏒₄(16×5x) = ㏒₄16 + ㏒₄5x = 2 + ㏒₄5x
e. False: Logarithm of a Power: ㏒ₐ(c×b)ⁿ = n ㏒ₐ(c×b) = n (㏒ₐc + ㏒ₐb) = n ㏒ₐc + n ㏒ₐb
so
㏒ₐ(3x)² ≠ 2 ㏒ₐ3 + ㏒ₐx
f. Correct use of property in point e.
5x + 8y =2
4x -6y =9
Answer:
x = 42/31, y = -37/62
Step-by-step explanation:
5x + 8y =2
4x -6y =9
Multiply the first equation by 4
4(5x + 8y) =2*4
20x +32y = 8
Multiply this equation by -5
-5(4x -6y) =9*-5
-20x +30y = -45
Add them together
20x +32y = 8
-20x +30y = -45
-----------------------------
62y = -37
Divide by 62
62y/62 = -37/62
Multiply the first equation by 3
3(5x + 8y) =2*3
15x +24y =6
And the second equation by 4
4(4x -6y) =9*4
16x -24y = 36
Add them together
15x +24y =6
16x -24y = 36
-----------------
31x = 42
Divide by 31
31x/31 = 42/31
x = 42/31
Which of the following BEST summarizes how to use the multiplication property of equality to isolate the variable p below? -1/2 p = 4
Answer:
multiplication property of equality
Step-by-step explanation:
Given:
[tex]-\frac{1}{2}p = 4[/tex]
The rule is that whatever is done on one side of the equation is done on the other side of the equation two.
In order to isolate p, both sides of equation will be multiplied by -2.
This is called the multiplication property of equality ..
Find the non permissible replacement for -5/7s
Answer:
0 is the answer.
Step-by-step explanation:
This would be the same answer as the last problem of yours I answered, since the denominator has to be 0 in the equation -5/7s≠0
s≠0
So the non permissible replacement is 0.
Hope this helps!
Which angles are corresponding angles? Check all that apply.
Answer:
Option 1 and 3 are correct.
Step-by-step explanation:
The corresponding angles are the matching angles when two lines are crossed by another line which is called traversal.
Looking in the figure following are corresponding angles
8 and 6
4 and 2
7 and 5
3 and 1
Now, looking at the options
Option 1 5 and 7
and Option 3 6 and 8 are only given corresponding angles.
So Option 1 and 3 are correct.
What value of b will cause the system to have an infinite number of solutions? y = 6x – b –3x + y = –3 b =
(a)2
(b) 4
(c) 6
(d) 8
Answer with explanation:
Consider two linear equation in two variable,
ax + by =c
p x +q y=r
The equations have an infinite number of solutions , means the two lines are Coincident, when it follows the following law
[tex]\frac{a}{p}= \frac{b}{q}= \frac{c}{r}[/tex]
--------------------------------------(1)
Now, equation of two lines are
1. y= 6 x -b
→6 x -y -b=0
2. -3 x +y= -3
⇒-3 x+y+3=0
By the above law,that is law 1, the two lines will be coincident
[tex]\frac{6}{-3}=\frac{-1}{1}= \frac{-b}{3}\\\\2=1= \frac{b}{3}[/tex]
Which is not possible that is ,2≠1.
→→→Hence the two lines can never be coincident for any value of b.
Find the perimeter of each of the two noncongruent triangles where a = 15, b = 20, and A = 29°
Answer with explanation:
Using Sine Rule for Congruence of Triangles
[tex]\Rightarrow\frac{a}{\ SinA}=\frac{b}{\ Sin B}=\frac{c}{\ Sin C}\\\\\Rightarrow\frac{15}{\ Sin29^{\circ}}=\frac{20}{\ Sin B}\\\\\Rightarrow\frac{15}{0.49}=\frac{20}{\ Sin B}\\\\\Rightarrow \ SinB=\frac{20 \times 0.49}{15}\\\\\Rightarrow \ SinB=\frac{9.8}{15}\\\\\Rightarrow \ SinB=0.65\\\\B=41^{\circ}[/tex]
Using Angle Sum Property of Triangle
⇒∠A+∠B+∠C=180°
⇒29°+41°+∠C=180°
⇒∠C=180°-70°
⇒∠C=110°
→Again Using Sine Rule
[tex]\Rightarrow \frac{b}{\ Sin B}=\frac{c}{\ Sin C}\\\\\Rightarrow \frac{20}{\ Sin 41^{\circ}}=\frac{c}{\ Sin 110^{\circ}}\\\\\Rightarrow \frac{20}{0.65}=\frac{c}{0.94}\\\\\Rightarrow \frac{20 \times 0.94}{0.65}=c\\\\\Rightarrow c=\frac{18.8}{0.65}\\\\\Rightarrow c=28.92[/tex]
Length of third Side =28.92 unit
So,Perimeter of Triangle
=Sum of sides of triangle
=a +b +c
=15 + 20 +28.92
= 63.92 unit
Answer:
b on edge
Step-by-step explanation:
In school there are 550 students if the ratio of lefties to righties is 2:9 how many lefties are in the school
Answer:
100
Step-by-step explanation:
550=L+R
2/9=L/R
=========
Solve the second for L: 2R/9=L
Plug this into the first: 550=2R/9 +R
(2/9+1=11/9) So : 550=11R/9
Now multiply both sides by 9/11: 550(9)/11=R
R=50(9)=450
L=550-R=550-450=100
There are 100 lefties
The number of left-handed students in the school is 100, calculated by dividing the total student population by the sum of the ratio parts and then multiplying by the number of parts for lefties.
To calculate the number of left-handed students in a school with 550 students and a ratio of lefties to righties of 2:9, you first add the parts of the ratio together (2 + 9 = 11 parts). Knowing that 11 parts represent all students, 1 part is equal to 550 students divided by 11, which is 50 students. Because there are 2 parts for lefties, you multiply 50 students by 2 parts to find out that there are 100 left-handed students in the school.