Elimination method is the best method to solve the system of equations below
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given system of equations
6x + 3y = 21...(1)
2x – 3y = -13...(2)
Add equations (1) and (2)
6x+3y+2x-3y=21-13
8x=8
Divide both sides by 8
x=1
Now plug in x value in equation 1
6+3y=21
Subtract 6 from both sides
3y=15
Divide both sides by 3
y=5
By Elimination method we find the values of x and y.
Hence, Elimination method is the best method to solve the system of equations below
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PLEASE PLEASE HELP MEE!!
Answer:
The equivalent functions are;
[tex]g(x) = 3^{-2 \cdot x }[/tex]
[tex]g(x) = 9^{-x}[/tex]
[tex]g(x) = \left (\dfrac{1}{9} \right )^x[/tex]
Step-by-step explanation:
The given function is f(x) = (1/3)^(2·x)
[tex]f(x) = \dfrac{1}{3} ^{2 \cdot x}[/tex]
The given function can be simplified as follows;
[tex]f(x) = \dfrac{1}{3} ^{2 \cdot x} = 3^{-1 \cdot2 \cdot x } = 3^{-2 \cdot x } = g(x)[/tex]
∴ [tex]f(x) = \dfrac{1}{3} ^{2 \cdot x}[/tex] ≡ [tex]g(x) = 3^{-2 \cdot x }[/tex]
2) The given function can also be simplified as follows;
[tex]f(x) = \dfrac{1}{3} ^{2 \cdot x} = \left (\dfrac{1}{3} ^2\right )^x = \left (\dfrac{1}{9} \right )^x = (9^{-1}) ^x} = 9^{-1 \times x} = 9^{-x} = g(x)[/tex]
∴ [tex]f(x) = \dfrac{1}{3} ^{2 \cdot x}[/tex] ≡ [tex]g(x) = 9^{-x}[/tex]
3) The given function can also be simplified as follows;
[tex]f(x) = \dfrac{1}{3} ^{2 \cdot x} = \left (\dfrac{1}{3} ^2\right )^x = \left (\dfrac{1}{9} \right )^x = g(x)[/tex]
∴ [tex]f(x) = \dfrac{1}{3} ^{2 \cdot x}[/tex] ≡ [tex]g(x) = \left (\dfrac{1}{9} \right )^x[/tex]
Someone help with this please
Identify the model that shows 2 items being divided equally among 3 people. How much will each person have?
Based on the question, each person will have 2/3 of the item
Ratios and ProportionFrom the given information, we are told that 2 items are being divided equally among 3 people. This can be expressed as:
2 items = 3 peopleFor each person;
x = 1 person
Take the ratio to have:
2/x = 3/1
3x = 2
x = 2/3
This shows that each person will have 2/3 of the item
Learn more on ratio here: https://brainly.com/question/2914376
Answer:
2/3
Step-by-step explanation:
The yellow one with red.
1 point
Captionless Image
Answer:
uhhh ok
Step-by-step explanation:
Answer
That's simple the answer is
Step-by-step explanation:
can some one help me plz!!!
i am marking brainlyest
Answer:
its a or c
Step-by-step explanation:
The distance from your home to the school is 4 9/10 miles. From your house to the pool is 3 1/2 miles. How much farther are you from the school than from the pool?
can someone please help me
The measure of the angle formed at the center of anoxygen atom in a water molecule is about 105. The angles formed at each hydrogen atom are congruent. What is the size of the angle at each hydrogen atom?
X-5 = -4
i’ve been trying my best
Answer:
x = 1
Step-by-step explanation:
1 - 5 = -4
Answer:
x = 1
Step-by-step explanation:
x - 5 = -4 *add 5 to both sides*
x = 1
hope this helps!
derek tried to dilate the isosceles trapezoid abcd with the center of dilation at the origin with a scale factor of 2. check his work and complete the statements
the slope of ac is ___
the slope of eg is ___
the polygons are not dilation of each other because ___
Answer: 4,2 the corresponding sides are not parallel
Step-by-step explanation:
A contractor charges $35 for the installation of gutters, plus $1.50 per foot. If one installation cost $162.50, how many feet of gutter were required?
Answer:
I'm pretty sure it is 85 feet
What set of numbers could be the side lengths of a right triangle ?
Answer:
I think it's A 3,4,6 could be the length of the triangle
Perform the following operation and express the answer in scientific notation. 6.900x1010 = 4.000x108 [?]x10 Coefficient (green) Exponent (yellow) Enter
9514 1404 393
Answer:
1.725×10²
Step-by-step explanation:
Your calculator or a spreadsheet can format the result of this division in scientific notation for you.
For the powers of 10, the applicable rule of exponents is ...
(10^a)/(10^b) = 10^(a-b)
__
[tex]6.900\times10^{10}\div4.000\times10^8=\dfrac{6.9}{4}\times10^{10-8}\\\\=\boxed{1.725\times10^2}[/tex]
2. How can Diego package all the 64 cookies so that each bag has the same number of them? How many bags can he make, and how many cookies will be in each bag? Find all the possible ways to package the cookies.
:
I need help with this
Explain the difference between an x and a y-intercept.
Step-by-step explanation:
so pretty much y= is the line that goes up and it has its own numbers right. the x= is the line that goes at the bottom right right
5 x (h + 3) for h = 7 dose anyone know the answer to this?
Answer:
50
Step-by-step explanation:
5* ( 7+3)
5* 10
50.
.so the answer is 50
Answer:
50
Step-by-step explanation:
5 x (h + 3) = 5 x (7 + 3)
= 5 x (10)
= 50
There are 16 cats and 14 dogs in a local animal shelter.
Which phrase describes a ratio relationship between the two quantities?
the number of dogs in the shelter compared to the number of rabbits in the shelter
the number of dogs in the shelter compared to the number of cats in the shelter
the number of cats in the shelter compared to the number of cats in the shelter
the number of cats in the shelter compared to the number of dogs in the neighborhood
I already answered on your other post on the same question, your answer is option B!
i urgently need help!!!!!
Answer:
I cant get the pic
Step-by-step explanation:
If 4 cats enter a room and 3 leave how many monkey are in the water?
Answer:
1 monkey because it ate one of the cats
Step-by-step explanation:
Answer:
3 cats in 3corners
Step-by-step explanation:
the question is incorrect the correct question is IN A SQUARE ROOM THERE ARE 4 CATS IN EVERY CORNER?
Hey there !!!!
If you read that there are 4 cats in the room and in front of each cat is another 3 cats, then it might lead you to the answer of 16. This is not correct.
You will have reached this answer if you assumed that there was 3 cats in front of every cat in the corner. That would mean 4 cats in every coner.
You can reach this answer by dissecting each statement in the riddle. The first statement, “In a square room there are 4 cats in every corner of the room,” then we know that the room is square with 4 corners and that there are 4 cats to begin with.
The second statement of the riddle reads “In front of each cat there are 3 cats.” As we already know from the first statement that there are 4 cats in the room, each cat will see the other 3 cats in the other 3 corners of the room.
hope it helped
Write two division expressions that have the same value as 36.8 divided by 2.3 (16)
Answer:
64 divided by 4=16
144 divided by 9=16
Step-by-step explanation:
what is the answer for y=mx+b
Answer:
I believe it is slope
Step-by-step explanation:
Jaden is flying a kite and let’s off 275 feet of string. If the kite is 150 feet above ground and assuming the string is straight, what angle does the string make with the ground, to the nearest degree?
Answer:
≈ 33°
Step-by-step explanation:
So, first, you can draw a visual. Refer to the image attached below:
Using this info, you can use trigonometric ratios. Recall that:
tangent = opposite side/adjacent side
sine = opposite side/ hypotenuse
cosine = adjacent side/hypotenuse
You can clearly see that you have an opposite side and a given hypotenuse. This means we'll be using sine.
So:
[tex]sinX = \frac{150}{275}[/tex]
However, we're not trying to find sinX, we're trying to find X.
So we would have to use inverse sine, which would then be:
[tex]X = sin-1 (\frac{150}{275} )[/tex]
Put this into your calculator, and:
X ≈ 33.05573115...
i really need help please help me
Answer:
5.667 yards of fabric was used to make a cape
Step-by-step explanation:
(Total Yard of Fabric)1/3 = (What's Used)
Total Yard Fabric = 17
What's Used = x
1 third = 1/3
(17)1/3 = x
x = 17/3 or about 5.667 yards of fabric used
Double Check:
5.667/17 = 0.3334 which is about 1/3
If you want to find how much he has left:
1 - 1/3 = 2/3
17(2/3) = x
x = 34/3 or about 11.333 yards of fabric left.
Double Check:
11.333/17 = 0.6666 which is about 2/3
How long will it take for $1,000 to double at a simple interest rate of 5.5%
Answer:
12.63
Step-by-step explanation:
Can you guys help me with the second one please :( .
I’ll mark you as a brainliest
Answer:
x=30° y=150°
Step-by-step explanation:
The inside angles of a triangle always add up to 180. So 65+85+x=180. x would equal 30. Next a line is always 180 degrees. So to two angles on the line must total to 180 degrees. We know x is 30 degrees, so y is the remaining angle. 30 + y = 180. y is 150.
Answer:
x=30° y=150°
Step-by-step explanation:
Marissa is 7 years older than Mark. The sum of their ages is 59. How old are Marissa and Mark?
(A) First write an equation you can use to answer this question. Use x as your variable.
The equation is __________
Answer: Mark is ___________
and Marissa is ________
mark is 26=x and marissa id 33
if you take 59 take away 7 you get 52
then you wil devide 52 and get 26
you will use the 7 you took out earlier and add it to one of the 26 which will give you mark(26=x) and marissas(33) age .
The difference of a number and eight is equal to 14.
"A number" means the unknown.
"Difference" means to subtract.
We already know two numbers, 8 and 14, but we don't know "A number."
We can put v as our variable. You can put any type of letter.
Therefore, the answer is: v - 8 = 14
At what value of x does the graph of the following function F(x) have a vertical asymptote?
B. 3
__________________
Joey is 5 feet tall and casts a 45-foot shadow. A building casts a 270-foot shadow at the same time. How tall is the building?
HELP FOR POSSIBLE BRAINLIEST
Answer:
the building is thirty feet tall
Step-by-step explanation:
so make a ratio of shadow to joey
5:45
simplify that to
1:9
so you can now divide 270 by nine
30
the building is thirty feet tall
Use addition to solve the
Ix-y=6
ly=x-4
Answer:
Ix-y=6, Ly=x-4
Step-by-step explanation: