Solve using substitution. I know that the answer is (1,1), but I have to show my work and I forgot how to do it.
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If y = -x + 2, then substituting this into the first equation lets you solve for x :
x + 4y = 5
x + 4 (-x + 2) = 5
x - 4x + 8 = 5
-3x = -3
x = 1
Now solve for y :
y = -x + 2 = -1 + 2 = 1
So the solution is indeed (x, y ) = (1, 1).
Related Questions
I need help please, I'm so confused .
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Answer:
0.1, -0.2, -0.5
Step-by-step explanation:
Please help me!
[One Step Inequalities]
Answers
Answer:
C
Step-by-step explanation:
Help quick pls! ill mark brainliest
Answers
Answer: 97
Step-by-step explanation:
The diagonal equals the square root of the width squared plus the height squared.
Answer: It would be 16
Step-by-step explanation:
A square garden has a side length of 5 ft. What is the area of the garden?
5ft
10ft
20ft
25ft
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Remember the are of a square is the side of a square squared.
This meant that this square's area=5^2=25
Done!
So each side is 5 ft
And to find the area of a square the formula is A=b•h
So A=5•5
Which gives you 25
The area of the Garden is 25 square ft
You pick a card at random. Without putting the first card back, you pick a second card at random. What is the probability of picking a 5 and then picking a number greater than 4?
Write your answer as a percentage.
Answers
Answer:
I'm sorry I genuinely don't know
Answer:
.33 for 5
Step-by-step explanation:
Solve x + 1 > 3. Graph the solution.
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Answer:
x > 2
> means it's greater (goes in the right direction) than 2 and it's an OPEN circle
The solution of the given inequality is required.
The required graph is attached.
InequalitiesThe given inequality is [tex]x+1>3[/tex]
Solving the inequality we get
[tex]x+1>3\\\Rightarrow x>3-1\\\Rightarrow x>2[/tex]
The points which are greater than 2 all will be the solution set of the inequality.
The solution set will be [tex](2,\infty)[/tex]
In the graph the points towards the right of x = 2 will be in the solution set.
The point x = 2 will not be in the solution set.
Learn more about inequalities:
https://brainly.com/question/24372553
3b+t=30
5b-t=42
its easy and im lazy please solve with full steps asap
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5a + 5b -5 + 11a - 11b + 11
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Answer:
16a - 6b + 6
Step-by-step explanation:
5a + 5b - 5 + 11a - 11b + 11 = 5a + 11a + 5b - 11b - 5 + 11 = 16a - 6b + 6
Who can answer this??
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Ths question is not complete but I will try my best to guide you through it so you can answer it. So what the question is asking you to do is that you have to plug in the coordinates into the equation. I don't want to give you an incorrect answer so I will explain it and you can do it yourself with the full question. First use the second equation as it is a full equation with an equal sign. Once plugged in you can find that c and d do not make the second equation true. A and B both complete the second equation. This means that either A or B is the answer. Since the first equation does not have an equal sign meaning it is not complete I can not answer it and I am sorry. But I have cut the answer down for you to A and B. If this answer helped you in the slightest please check out my channel The Game Rater. Thank you and I appreciate it.
-The Game Rater(Nitroid444)Which choice is equivalent to the fraction below? Hint: Rationalize the
denominator and simplify.
6/√3
Answers
Step-by-step explanation:
6/√3×√3/√3=6√3\√3
because √3×√3=3 hope you are not confused pls follow
Answer:
2√3
Step-by-step explanation:
because yes
You are building a door frame. Both sides are 80.5 inches long and the top and bottom are both 36.5 inches wide. Which additional
statement(s) give enough information to conclude that the door frame forms a rectangle?
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Answer:
you'd have to know that the corners are at 90 degree angles. as is, it could be a parallelogram
I need help please!!!!!
Answers
Answer:
y-intercept is (0, -2) and asymptote of y = -2.5
Step-by-step explanation:
If you substitute 0 in for x and simplify, then you will have the y-intercept
y = [tex]\frac{1}{2} (7)^{0} - 2.5 = \frac{1}{2} (1) - 2.5 = \frac{1}{2} - 2.5 = -2[/tex]
The y-intercept is (0, -2)
If the -2.5 were not there, then the graph would have an asymptote at y = 0 or the x-axis
The -2.5 moves the graph down 2.5 units so that y = -2.5 is the asymptote
Therefore, the first answer is correct
11-2 (1+3x) < 39
Maths HW Please help
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Answer:
x>-5
Step-by-step explanation:
I really really need help with this and no one is answering. I've looked everywhere for how to do this and I fell like its simple but I can't find it. given -2+4i, express the complex number in polar form. I know the answer is 2 root 5(cos2.03 + isin2.03), but I don't know where the 2.03 comes from. Can someone explain please?
Answers
Result:
Complex number:
The polar form of z is:
Explanation:
z = −2 + 4i
z = 4.4721 · (cos 117o + i · sin 117o)
The polar form of the complex number z = a + bi is:
z = r · (cos θ + i · sin θ)
where, r is the modulus of z and θ is an argument of z. The moduo for a = −2 and b = 4 is:
r = a2 + b2 = · · · = 4.4721 To find argument θ we use one of the following formulas:
b θ=arctan a ifa>0
b o θ=arctan a +180 ifa<0
θ=90o ifa=0andb>0 θ=270o ifa=0andb<0
Inthisexample: a=−2andb=4so:
θ=arctan a +180
θ=arctan 4 +180o −2
b o
θ = arctan (−2) + 180o θ ≈ 117o
Try this website it’s really helped me!
www.mathportal.org/calculators/complex-numbers-calculator/complex-unary-operations-calculator.php?val1=-2&combo1=1&val2=4&rb1=pol&ch2=useDecimals
Answer:
Step-by-step explanation:
a+bi = -2+4i
arctan(b/a)=arctan(4/-2)=-1.071
Because this falls in quardant 2, you have to add pi
1.071+pi=2.03
I hope this helps.
Maya has a brown poster board to color. She colors part of it green and part of it orange.
Which fraction of the poster board does Maya color?
Answers
Answer:
d
Step-by-step explanation:
3/5
5 poster boards in total and 3 are colour so...
it is 3/5
Hope this helps!
plz help me ...
please
Answers
Answer:
x = -1, and y = -2, giving you the answer (-1, -2)
Step-by-step explanation:
In the second equation, we're told that y is equal to 2x. With that, we can replace "y" in the first one with "2x", giving us:
-4x - 2x = 6
-6x = 6
x = -1
Now that we know the value of x, we can simply plug it into the first equation to find y:
-4x - y = 6
-4(-1) - y = 6
4 - y = 6
-4 + y = -6
y = -6 + 4
y = -2
So x = -1, and y = -2
Please please help please please ASAP please I'm begging you please I have 10 minutes please y'all help please any ACE that can help please
Answers
Answer:
Angle R
Step-by-step explanation:
It stated that triangle LMN ≈ triangle QRS
angle L = angle Q
angle M = angle R
angle N = angle S
The reason is (corr. ∠s, similar triangles)
Hope this helps
HELP PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ i will be very happy if u do. FIRST PERSON TO GET IT CORRECT GETS BRAINLIEST
Answers
Answer:
Step-by-step explanation:
x -12 > 0
x > 12
if x > 12 x-12
if x = 12 0
if x < 12 12-x
what is 500/2000 as a decimal if u get it right u get brainliest!!! pls and thank u
Answers
Answer:
it's 0.25 well good luck and i have a joke
Complete the square to transform the quadratic equation into the form
(x − p)2 = q.
x2 + 20x – 104 = -8
A) (x – 10)2 = 196
B) (x + 10)2 = 96
C) (x – 20)2 = 96
D) (x + 20)2 = 196
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can a triangle be a right triangle if there is no right angle
Answers
Answer:
The answer is No because you have to have 1 right angle/90 degree angle for it to be a right angle hints the name right angle
Step-by-step explanation:
Please have a great week and mark me as brainllest god bless you
[o]-[o]
\___/
if its height is y, then what polynomial represents the length of a side of the square base
Answers
Answer:
Hello your question is incomplete attached below is the complete question
answer : 3y + 6cm
Step-by-step explanation:
attached below is the detailed solution to the given question
The polynomial that represents the side of the square base = 3y + 6cm
I need major help. I have a lot of missing work and really need help with algebra 1. (solving linear equations)
A.) x + 2 =7
B.) y - 4 =11
c.) 4m=12
D.) n\5=10
E.) x-6=9
F.) 29=17
G.) 3x4=10
H.) 4b-1=21
i.) 5-2c=1
j.) 3t-7=t +11
k.) 6 - 5x=3x-2
i.) 2 (x-5)=3xt 14
Answers
You get this by doing the inverse operation so minus 2 by 2 and 7 then you get your answer so it should look like this
X+2= 7
-2. -2
———
X= 5
B: 15-4=11
+4. +4
————-
X= 15
C: 4(3) = 12
D: 50/5 = 10
Btw this should be easy, try doing it on to your own now.
Hector drew a 120 angle. What fraction of a circle does hector's angle turn through. PLSSSS HELP
Answers
Answer:
please send a picture so I can see
The graph shows the number of acres that mr.Henry has used on his farm for baking hay over several years. Using a line of best fit, approximately how many acres will he use for baling hay in the 5th year?
A- 100
B- 200
C- 300
D- 400
Answers
Answer:
100
Step-by-step explanation:
he is steadily going down if you look at the trend you can see a pattern.
is first going 50 down then 100 down hen 50 down again so the correct awnser should be 100
9/d as a algebraic expression
Answers
Answer:
[tex]\frac{9}{d}[/tex]
or
9÷d
Hopefully this is what you're looking for.
Each letter of the word algebra is written on identical slips of paper and placed in a box of a slip of paper selected from the box without looking what is the probability that the slip of paper will not have the letter A on it.
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Answer:
I have no idea sorry
Step-by-step explanation:
The sum of two numbers is 17 and their difference is 5, what are the two numbers?
Answers
Answer:
11, 8
Step-by-step explanation:
x + y = 17
x - y = 5
The "y" cancels out when you add the two equations and you end up with:
2x = 22
x = 11
Then, plug the "x" back into one of the equations to find "y":
11 + y = 17
y = 6
A triangle has side lengths of 6, 7, and 10. Is it a right triangle? Explain
Answers
Answer:
As 6^2 + 8^2 = 10^2
Therefore, triangle is a right angle triangle
Step-by-step explanation:
The radius of a circle is 17 inches . What is the circumference? Use 3.14 for pi!
Answers
Answer:
53.38
Step-by-step explanation: