We will use substitution to solve this system for x.
[tex]x - 2y = 27\\y = 5x\\\\x - 2(5x) = 27\\\\x - 10x = 27\\\\-9x = 27\\\\x = -3[/tex]
Now that we know what x is, we can determine y by pluging in -3 for x in one of the original equations. I will use the first one.
[tex]-3 - 2y = 27\\\\-2y = 30\\\\y = -15\\[/tex]
We now have our solution.
D. [tex](-3, -15)[/tex]
We can check our answer by pluging the solution into one of the original equations to see if both sides equal each other. I will use the first equation.
[tex]-3 - 2(-15) = 27\\\\-3 + 30 = 27\\\\27 = 27[/tex]
Since the equation checks out, our solution is correct.
Can someone please explain I’ll mark brainlest
Answer:
TriangleJXP = Triangle HCD
Side XJ = side HC
Side CD = side JP
Side PX = HD
Step-by-step explanation:
Looking at both of the triangles you use the lines on “top” of the side. These lines represent congruence meaning that they are similar to each other.
So looking at side JP u can see that there are two lines meaning that this is the second side that is congruent to another side, side CD.
Hope this helps.
I will mark you brainiest if you help me thanks
Answer:
a. 121
b. 32100
c. 0.2
d. 400
Step-by-step explanation:
a. Quick disclaimer: If there's a decimal point on the divisor, in this case it would be .05, you have to move the decimal point until it has no decimal, in this case .05 would become 5.0 or just 5. The other number also has to have it's decimal point moved as much as the divisor, in this case two times, so it would be from 6.05 to 605. So with this in mind: 605/5 = 121
b. 96.3/.003 = 96300/3 = 32100
c. 0.12/0.6 = 1.2/6 = 0.2
d. 3.2/.008 = 3200/8 = 400
A sequence is defined recursively using the formula f(n + 1) = f(n) – 5 . Which sequence could be generated using this formula?
1, –5, 25, –125, ...
2, 10, 50, 250, ...
3, –2, –7, –12, ...
4, 9, 14, 19, ...
In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x.
Answer: Choice (3) which is the sequence –2, –7, –12, ...
Here we start with -2 and subtract off 5 each time we need a new term
-2-5 = -7
-7-5 = -12
and so on.
The notation f(n+1) = f(n) - 5 tells us "subtract 5 from the nth term, called f(n), to get the next term f(n+1)"
in a company, 55% of the workers are menIf 2,385 people work for the company who aren't menhow many workers are there in all? Use pencil and paper. Show different ways that you can solve this problem
Step-by-step explanation:
2385 arent men (45%)
55% are men
how many total person:
2385/45: 53 people for each 1%
53x100:5300 total people
Stan made changes to
his driving habits and
went from 18 mpg to
22 mpg. What was
Stan's percent
increase in his gas
mileage?
Answer:
22%
Step-by-step explanation:
Sove the equation for all real solutions
-d^2-12d+4=-6d^2
Answer:
d=25 or d=2
Step-by-step explanation:
hope that helps!
Answer:
d=2/5 or d=2
Step-by-step explanation:
Step 1: Subtract -6d^2 from both sides.
−d2−12d+4−−6d2=−6d2−−6d2
5d2−12d+4=0
Step 2: Factor left side of equation.
(5d−2)(d−2)=0
Step 3: Set factors equal to 0.
5d−2=0 or d−2=0
d= 2/5 or d=2
The ratio of girls to boys is this great is 6 to 8 is there are 120 girls how many boys are there
Answer:
160
Step-by-step explanation:
if girls is 6 and boys is 8
and there are 120 girls
120g= 6g * 20
meaning you multiply 8 by the same thing
160= 8b * 20
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( >3<) - there
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I just need a run down on how to find a linear equation from two points I'll give Brainiest
Write the equation of the line in slope intercept form.*
Answer:
y=-4(x+1)+3
Step-by-step explanation:
work in in the picture
why are radioactive isotopes not useful for dating sedimentary rocks?
Sedimentary rocks can be dated using radioactive carbon, but because carbon decays relatively quickly, this only works for rocks younger than about 50 thousand years. So in order to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil.
Answer:
Sedimentary rocks can be dated using radioactive carbon, but because carbon decays relatively quickly, this only works for rocks younger than about 50 thousand years. So in order to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil. can u mark mr brailest
Step-by-step explanation:
PLS HELP ILL MARK BRAINLIEST
Answer:
8 and 6
Step-by-step explanation:
8x6=48
2(8+6)=28
2(14)=28
Find the first three terms of the sequence below.
T, = n2 + 2n +9
Answer:
12, 17, 24
Step-by-step explanation:
To find the first 3 terms, substitute n = 1, 2, 3 into the rule, that is
T₁ = 1² + 2(1) + 9 = 1 + 2 + 9 = 12
T₂ = 2² + 2(2) + 9 = 4 + 4 + 9 = 17
T₃ = 3² + 2(3) + 9 = 9 + 6 + 9 = 24
Answer:
12, 17, 21 is the answer to the question
PLease HELPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
5x, -2x, x
Step-by-step explanation:
Like terms have the same variable parts.
The variable part of 3x is x.
Any term that has only x as its variable part is a like term to 3x.
Answer: 5x, -2x, x
Use the following Coordinate plane to write the ordered pair for each point!
A (,)
B (,)
C (,)
Answer:
A (0.5,4)
B (-3,0)
C (-1,1)
Step-by-step explanation:
Level 1 Enter the correct 4 digit code (no spaces)
Answer:
2341
Step-by-step explanation:
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
The correct 4-digit code is 4321.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
From the picture.
We have to see the line from A, B, C, and D that touches the numbers given.
Now,
A touches the number 4
B touches the number 3
C touches the number 2
D touches the number 1
The 4-digit number must be written in the sequence of ABCD.
So,
4321 is our four-digit number.
Thus,
The correct 4-digit code is 4321.
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ2
3. Given the equation y = -3x + 6, what is the slope of the line? And what is y intercept?
Answer:
The slope of the line is 3 and the y intercept is 6
Step-by-step explanation:
Trust me
HEY RYAN QUESTIONS COMING SOON!!!!!!!!
Answer:
AHHHHH U TELL ME AT THE WORST TIMES HOMIE IMMA TRY THO
Which of the following equations have infinitely many solutions
Answer:
All options
Step-by-step explanation:
In each option, the left and right side of the equation are identical, meaning whatever values that [tex]x[/tex] take will result in the left and right side of the equation to be equal. This means that the equation will have infinitely many solutions.
Hope this helps :)
Which first step for solving the given system using substitution results in an equation without fractions?
Penelope went to the store to buy x pounds of broccoli for $1.10 per pound and y cans of soup for $2.50 each. In total, she spent less than $10. The inequality relating the purchases she made and the total purchase price is 1.10x + 2.50y < 10. Which are reasonable solutions for this situation? Check all that apply. (–1, 4) (0, 2) (3, 2.5) (2, 4) (0.5, 3.78) (1.5, 3)
Answer:
(0,2) (1.5,3) B and F
Step-by-step explanation:
Your welcome loves
Answer:
B And F
Step-by-step explanation:
2/3 of all your books are fiction. 1/6 of those are historical fiction.
What fraction of all your books are historical fiction?
A.1/9
B.1/18
C.1/3
D.1/2
Answer:
1//18
Step-by-step explanation:
2/3 * 1/6= 1/18
You first do 2*1
Then 3*6
Answer: A. 1/9
Step-by-step explanation:
to find what fraction of all your books is historical fiction, you would multiply how the fraction of all your books that are fiction by the fraction of fictional books that are historical fiction.
this gives you 2/3 times 1/6.
from there you simply multiply the numerators (2x1=2)
and the denominators (3x6=18)
leaving you with 2/18
but that can be simplified, giving you the final answer of 1/9
$18.79 + $2.11 + ‐$1.92 + $17.28
decide whether the sequence is artithemetic, geometric or neither 2,6,10,16
Answer:
We conclude that the sequence is NEITHER geometrc nor arithmetic.
Step-by-step explanation:
Given the sequence
[tex]2,6,10,16,...[/tex]
As we know that
An arithmetic sequence has a constant difference d and is defined by:
[tex]a_n=a_1+\left(n-1\right)d[/tex]
Computing the differences between all adjacent terms:
[tex]6-2=4,\:\quad \:10-6=4,\:\quad \:16-10=6[/tex]
The difference is not constant
Hence, the sequence is NOT arithmetic.
NOW, let's check whether is a geometric sequence or not
A geometric sequece has a constant common ration r and is defined by:
[tex]a_n=a_0\cdot r^{n-1}[/tex]
Computing the common ratios between all adjacent terms:
[tex]\frac{6}{2}=3,\:\quad \frac{10}{6}=1.66666\dots ,\:\quad \frac{16}{10}=1.6[/tex]
The ratio is not constant
Hence, the sequence is NOT geometric.
Therefore, we conclude that the sequence is NEITHER geometrc nor arithmetic.
Item 11
A bag contains 6 red marbles. The ratio of red marbles to blue marbles is 2 for every 5. Find the number of blue marbles in the bag.
Answer:
15 blue marbles
Step-by-step explanation:
every 2 red marbles, 5 blue.
6/2=3 5x3=15
2 red - 5 blue
4 red - 10 blue
6 red - 15 blue
I need help ion fully know what to do
Write the standard form equation for the line: y+1=-45(x+5).
What is the domain of f?
Answer:
(-7,7)
Step-by-step explanation:
HELPPP!!!!! AGAIN !!! MAARKING BRAINLIST! mAtH
Answer:
S = 10
Step-by-step explanation:
Proportion is 2:1
HOPE THIS HELPS
PLZZ MARK BRAINLIEST
Answer:
S = 10
Step-by-step explanation:
If they are congruent then 8 dived by 2 is 4.
To solve for S you reverse it, 5 times 2 is 10.
Explain it or I will not be accepting your answer.
Answer:
$10 an hour
Step-by-step explanation:
You go to the one hour than go up to where the line is and find out what the number is
Answer:
Step-by-step explanation:
Ok, so to solve this problem, you need to find the slope of the line. You know this is what you need to find because units for slope is the y-axis units (dollars) divided by the x-axis units (hours), and your answer must be in dollars per hour based on the question. To find your slope, you use the formula (y2-y1)/(x2-x1). Basically, pick any two points on the graph. I will use (2,20) and (4,40). Now, find the change in x (4 - 2, or 2) and the change in y (40 - 20, or 20) and divide the change in y by the change in x (20/2) to get your answer.
9 29/40 as a decimal
Step-by-step explanation:
I think 9.279..............