Answer:
5,1
Step-by-step explanation:
7x + 4y = 39
2x + 4y = 14
since, the 4y same for both equation then we can eliminate the 4y by subtracting the two equation
7x + 4y = 39
2x + 4y = 14
---------------- -
5x + 0 = 25
5x = 25
x = 25/5 = 5
then we can input (subtitute) the value of x into the equation, I choose 2x + 4y = 14
2x + 4y = 14
2(5) + 4y = 14
10 + 4y = 14
4y = 14 - 10
4y = 4
y = 4/4 = 1
or if your teacher ask you to use elimination to find the value of x we can write like this
7x + 4y = 39
2x + 4y = 14
make the coeficient of x in both equation same
7x + 4y = 39 (x2)
2x + 4y = 14 (x7)
so
14x + 8y = 78
14x + 28y = 98
--------------------- -
0 - 20y = -20
-20y = -20
y = (-20)/(-20) = 1 (same answer right)
so the correct answe is
(5,1)
I NEED HELP NOW !!!!!!! In order for each sheep to get enough grass to eat, there should be 7 sheep for each acre of land. Which farm has the correct ratio of sheep to acres? Select the best answer from the choices provided. A. The Twelve Oaks farm has 14 sheep and 2 acres of land. B. The Tara farm has 28 sheep and 3 acres of land. C. The Butler farm has 35 sheep and 6 acres of land. D. The Scarlett farm has 21 sheep and 2 acres of land. 10 POINTS
Answer:
A: The Twelve Oaks farm has 14 sheep and 2 acres of land.
Step-by-step explanation:
For every 7 sheep, there has to be one acre of land. In order for you to find how many sheep are needed for each acre, you would multiply the amount of acres and you should get the amount of sheep that farm holds.
A. 2 x 7 = 14 meaning there should be only 14 sheep at a farm that only has 2 acres of land.
B. 3 x 7 = 21 meaning there should be only 21 sheep at a farm that only has acres of land.
C. 6 x 7 = 42 meaning there should be only 42 sheep at a farm that only has 6 acres of land.
D. 2 x 7 = 14 meaning there should be only 14 sheep at a farm that only has 2 acres of land.
Hope this helps!
Please tell me if I am incorrect I enjoy learning from my mistakes!
Good luck!
F(x)=1/3(4-x)^2 what is the value of f(16)
1. ab=l (solve for a)
Answer:
l/b=a
Step-by-step explanation:
Find F(-3) for F(x) = 3x -1
0-10
O-1
O 8
O 32
PLEASE HURRY !!!
Answer:
f(-3) = -10
Step-by-step explanation:
f(x) = 3x - 1
f(-3) = 3(-3) - 1
= -9 - 1 = -10
Answer:
-10 is the answer for the question
Please
answer both questions
Answer:
1)A
2) C
hope this helps you!
PLSSS HELPPPPPP PLSSSS
Answer:
Morgan, its a straight line and it goes through the origin
Step-by-step explanation:
Use point-slope form, y - y1 = m(x - x1), to find the linear equation of a line that passes through the points (3, -1) and (1, 1).
Answer:
Plug it in.
y = -1, y1 = 1
x = 3, x1 = 1
-1 - 1 = m( 3 - 1)
-2 = 2m
m = -1
The slope is -1
y = -x +b
-1 = -3 +b
b = 2
The equation is y = -x + 2
Hope this helps.
Step-by-step explanation:
The sum of the reciprocals of two consecutive integers is 9/20
. Find the two integers.
Answer:
4,5
Step-by-step explanation:
The LCM of 4 and 5 is 20, and their sum is 9, so 1/4+1/5 = 9/20.
brainliest pls :)
Please tell me the answer I have been struggling. PS this is middle school math
Answer:8
Step-by-step explanation
Answer:
[tex]\frac{4}{8}[/tex]=[tex]\frac{50}{100}[/tex]
Step-by-step explanation:
If g(x) = 1/2x - 5, then for what value of x is g(x) = 8?
a) -1
b) 11
c) 26
d) 6
Answer:
c) 26
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define
g(x) = 1/2x - 5
g(x) = 8
Step 2: Solve for x
Substitute: 8 = 1/2x - 5Isolate x term: 13 = 1/2xIsolate x: 26 = xRewrite: x = 26What is the value of the expression 1/2-(-1/3+2/5)
answer 13/30
or 0.43 repeating
Step-by-step explanation:
rewrite y=-8x+1 in standard form
Answer:
8x+y=1
Step-by-step explanation:
Hope this helps!!
easy question/ whats |9x|=-9
Answer:
you divide 9 from both side and get x=-1
Step-by-step explanation:
Big brain stuff
x=1 Thats the answer
i need help on My homework help me
Answer: $1,007.00
I hope this helps, and Happy Holidays! :)
PLS HELP! ASAP!
Find the value of x in the triangle below
Answer:
the answer is 56
Step-by-step explanation:
because it is an equilateral triangle the other side is 62 so you add 62+62=124 180-124=56
Examine the sequence of integers below.
26, 17, 8, -1, -10, -19
Which algebraic expression represents the nth integer in this sequences
Answer:it’s D
Step-by-step explanation:
Each time u subtract -9 and it keeps multiplying 9,18,27
An algebraic expression represents the nth integer in the given sequences is 35-9n.
Given that, the sequence of integers 26, 17, 8, -1, -10, -19.
What is an algebraic expression?An algebraic expression (or) a variable expression is a combination of terms by the operations such as addition, subtraction, multiplication, division, etc.
From the given sequence 26, 17, 8, -1, -10, -19 we have a=26 and d=17-26=-9.
Now, put a=26 and d=-9 in an=a+(n-1)d, we get
an=26+(n-1)(-9)
=26-9n+9
=35-9n
Therefore, an algebraic expression represents the nth integer in the given sequences is 35-9n.
To learn more about the arithmetic sequence visit:
https://brainly.com/question/10396151.
#SPJ5
Line a slope of -2 and passes throughlthe point (- 5, - 2)
Answer:
y = -2x -12
Do you want me to explain?
Answer:
y = -2x -12
Step-by-step explanation:
Equation of the line:
y = -2x – 9
When x=0, y = -9
When y=0, x = -4.5
Solve the equation for x: X^2=169
Answer:
13
Step-by-step explanation:
Since x is squared, the inverse operation would be square root. So, the square root of 169 is 13.
What is the least common denominator of 11/6 and 9/10?
Answer:
The least common denominator is 30
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
the least common multiple ( L.C.M ) of 6 and 10 = 30
What is the exponential form of the expanded form below? 10.10.10.10.10. A 5.10 B 5)10 C 10)1. D 10)5
Answer:
the answer is D
Step-by-step explanation:
Answer: D AKA (10*5)
Step-by-step explanation:
I took the test on edge 2020 and it was correct!! and 10 5 times would make more sense being D which is 10*5 STAY SAFE :)Write 968,000 in scientific notation.
A. 968 × 103
B. 96.8 × 102
C. 9.68 × 104
D. 9.68 × 105
What's $33.99 rounded to the nearest $1, $5 and $10
Answer:
$34, $35, $30
Step-by-step explanation:
hope this helps, pls mark brainliest :D
Answer:
$34 to the nearest $1
$35 to the nearest $5
$30 to the nearest $10
Step-by-step explanation:
HURRY PLEASE!!! 10 MINUTES!!!!!!!!!!
Many golfers wear wrist bracelets containing magnets because they claim the magnets improve balance and the length of shots played off the tee. A golfer would like to determine if the claim has merit and proposes two methods for collecting data. Method 1: As golfers approach the first tee, give some golfers wrist bracelets with magnets and some golfers wrist bracelets without magnets. During the round of golf, keep track of the length of the golfers’ shots. Method 2: Contact golfers who have purchased wrist bracelets with magnets and ask them to provide information about their shot length. Which statement about these methods is true? Method 1 is an observational study because it does not attempt to influence responses. Method 2 is an observational study because it does not attempt to influence responses. Method 2 is an observational study because it could include golfers from many golf courses. Both methods are observational studies because they both collect information about shot length.
Answer:
I think it is D
Step-by-step explanation:
Answer:
C
EDGE
Step-by-step explanation:
A city has a vacant lot in the shape of an isosceles trapezoid and the city workers are installing a fence around the lot. What length of fencing is required? Round the answer to the nearest meter. А 25 m B x 25 m 45° The length of fencing required is meters.
Answer:
Length of the fence required = 135 m
Step-by-step explanation:
Total length of the fence required to cover the vacant lot = Perimeter of the isosceles trapezoid
Perimeter of ABCD = AB + BC + CD + AD
Since, AB = BC = EF = ED = 25 m
From the given right triangle BEC,
m∠EBC = m∠ECB = 45°
ΔBEC will be an isosceles triangle.
So, BE = EC
By Pythagoras theorem,
BC² = BE² + EC²
25² = 2(EC)²
EC = [tex]\frac{25}{\sqrt{2}} =17.7[/tex] m
And DC = (DF + EF + EC)
= EC + EF + EC [Since, DF = EC]
= 2EC + EF
= 35.4 + 25
= 60.4 m
Hence. perimeter of ABCD = 25 + 25 + 60.4 + 25
= 135.4 m
≈ 135 m
Therefore, length of the fence required = 132 m
Fourteen boxes of candles were sold for $91.00. What is the cost of 1 box?
Answer:
$6.50 per 1 box
Step-by-step explanation:
$91.00 ÷ 14 boxes = $6.50 per 1 box
Check Work:
$6.50 x 14 boxes = $91.00
PLZ HELP WILL GIVE BRAINLY
Question 3 of 17
Shane offers to pay for 12 of his friends to play laser tag.
but 6 of them don't want to play.
If laser tag costs $3 per person, how much will Shane spend on his friends?
Choose the correct expression and solution to this problem.
Find the value of x.
2x – 4
10
Answer: 7
Step-by-step explanation:if 10 and the other equation are the same then 2(7)-4=10
It’s not b
I’ll mark u as brainlist
Answer:
c
Step-by-step explanation:
PLZZZZZ HURRY IM BEING TIMED A person who is hired as a Technical Assistant at a software company starts at a pay rate of $13 per hour. After 6 months and a good employee review, the Technical Assistant can earn a raise of 15%. What would be the new hourly pay rate for a Technical Assistant who has earned this raise?
what would be the next point to the right of point (1,1) if the slope of the line is 1/4?
Answer:
(5,2) D
Step-by-step explanation:
up 1 to the right 4