Please please please help me I really need help if you don’t know the answer move along
Find the solution to the following system. Explain how you got your
answer, step-by-step.
3x + 4y = 36
y=-1/2x+8
Answers
Answer:
(x,y)=(4,6)
Step-by-step explanation:
3x+4y=36
y=-1/2 x+8
step 1: substitute the value of y
[tex]3x+4(-\frac{1}{2}x+8)=36[/tex]
step 2: solve equation for x
[tex]3x+4(-\frac{1}{2}x+8)=36[/tex]
3x-2x+32=36
x+32=36
x=36-32
x=4
step 3: substitute the value of x
[tex]y=-\frac{1}{2} (4)+8[/tex]
Step 4: solve equation for y
[tex]y=-\frac{1}{2} (4)+8[/tex]
y=-2+8
y=6
there for the answer is
(x,y)=(4,6)
Related Questions
The drop that rider's experience on Dr. Doom's Free Fall can be modeled by the quadratic function LaTeX: h\left(t\right)=-9.8t^2-5t+39h ( t ) = − 9.8 t 2 − 5 t + 39 where h is height in meters and t in time in seconds. What is the starting height of the riders?
Answers
Answer:
The starting height of the raiders is 39 meters.
Step-by-step explanation:
Physically speaking, a free fall motion is an uniformly accelerated motion due to gravity. Mathematically, speaking the equation of motion for the height of an object under free fall is a second order polynomial (quadratic function).
Let [tex]h(t) = -9.8\cdot t^{2}-5\cdot t + 39[/tex] be the height of the riders, in meters, the starting height is the height evaluated at [tex]t = 0\,s.[/tex] Hence, we proceed to the determined the required data by direct evaluation:
[tex]h(0) = -9.8\cdot (0)^{2}-5\cdot (0) +39[/tex]
[tex]h(0) = 39[/tex]
The starting height of the raiders is 39 meters above the ground.
A bakery buys a large bag of sugar that has 34 cups. They use 10 cups to make some cookies. They use the rest of the bag to make 144 giant muffins. Their customers want to know how much sugar is in each muffin.
Answers
Answer:
there would be 1 ÷ 6 sugar in each month
Step-by-step explanation:
The computation of the customers that want to know the sugar in each muffin is shown below
Here we assume the sugar in each muffin be x
Now there is 30 cups and 10 cups should be used for making some cookies
And, the rest would be use for making 144 gaint muffins
So, the equation that should be used is
10 + 144x = 34
144x = 24
x = 1 ÷ 6
So there would be 1 ÷ 6 sugar in each month
Jonah and Graham are working together. Jonah claims that (x+y)^2 = x^2+y^2. Graham is sure Jonah is wrong, but he cannot figure out how to show it. a.) Help Graham find as many ways as poissible to convince Jonah that he is incorrect. How can he rewrite (x+y)^2 correctly?
Answers
Answer:
Here is what I got hope it helps!!!!!!!
Step-by-step explanation:
Equivalent expressions are expressions with the same value.
The proper way to rewrite the equation is: [tex]\mathbf{(x + y)^2 = x^2 + 2xy + y^2 }[/tex]
Jonah's equation is given as:
[tex]\mathbf{(x + y)^2 = x^2 + y^2}[/tex]
To convince Jonah that Jonah's equation is wrong, Graham can do any of the following
Assume values for x and yExpand the equationAssume value for x and y
Let x = 2 and y = 4
[tex]\mathbf{(2 + 4)^2 = 2^2 + 4^2}[/tex]
[tex]\mathbf{36 = 20}[/tex]
The above equation is false.
So, it means that: [tex]\mathbf{(x + y)^2 \ne x^2 + y^2}[/tex]
Expand the equation
We have:
[tex]\mathbf{(x + y)^2 = x^2 + y^2}[/tex]
Open the bracket
[tex]\mathbf{x^2 + 2xy + y^2 = x^2 + y^2}[/tex]
Cancel out common terms
[tex]\mathbf{2xy = 0}[/tex]
The above equation is false.
So, it means that: [tex]\mathbf{(x + y)^2 \ne x^2 + y^2}[/tex]
The proper way to rewrite the equation is:
[tex]\mathbf{(x + y)^2 = x^2 + 2xy + y^2 }[/tex]
Read more about equivalent expressions at:
https://brainly.com/question/21213498
6.
A. [tex]-\frac{1}{5}[/tex]
B. [tex]\frac{x1}{5}[/tex]
C. –5
D. 5
Answers
Answer:
[tex]\frac{1}{5}[/tex]
Step-by-step explanation:[tex]d=-1\frac{1}{5}-(-2) =-1\frac{1}{5}+2=\frac{1}{5}[/tex]
It’s not a or c help
Answers
Answer:
D if i'm wrong i'm so sorry
Step-by-step explanation:
Which equation represents a function?
Answers
Answer:
C represents a function
Sara bought shoes for $39.95 and x pairs of socks for $1.99 each. Which expression shows the total money spent?
Answers
Answer:
$39.95 + $1.99x
Step-by-step explanation:
Cost of shoes = $39.95
Cost per pair of socks = $1.99
Number of socks pairs purchased = x
Total amout spent = (cost of shoes + cost of x pairs of socks)
Cost of x pairs of socks = $1.99 * x = $1.99x
Total amount spent = $39.95 + $1.99x
Answer:
$39.95 + $1.99x
Step-by-step explanation:
how has the role of marketing changed the way agribusiness operate?
Answers
Answer:
Marketing helps producers to decide what products to produce and when to produce them. Marketing also helps consumers by letting them know what products are available at what price. When done well, it leads to greater satisfaction for consumers and higher profits for producers.
Step-by-step explanation:
hope this helps!
help will mark brainliest
Answers
Answer:
Blue square
Step-by-step explanation:
looking like rhombus because right angle is 90 degrees and a square has 4 right angles
40 points plus brainliest if you don't leave a link!
Answers
Answer:
b is 6
c is 8
Step-by-step explanation:
i was close i have 0.8
and 0.7
Answer:
12.5 sq units for the first answer is correct.
The second answer is 6.
The third answer is 8.
Step-by-step explanation:
The formula of a triangle is bh/2. Plug in the base and height for b and h then multiply.
1st box:
(5)(5)/2
25/2
12.5 Correct
2nd box:
(4)(3)/2
12/2
6 Final Answer
3rd box:
(4)(4)/2
16/2
8 Final Answer
Kimberly is a hostess at a restaurant a large party had a bill for 781.50 the restaurant adds a tip of 18% to the bill. Kimberly receives 8% of the tip and each server receives 1/5 of the remaining tip how much does each Sever earn
Answers
Answer:
$28.13
Step-by-step explanation:
B)
help!!!!!!!!!!!!!!!!!!!!!!!1
Answers
Answer:6 1/4
Step-by-step explanation:
Giving brainlist to whoever answers
Answers
Answer:
9/24
Step-by-step explanation:
Sophie runs 4 1/2 miles on Saturday. Aubrey jogs 2/3 of that distance. So what is the distance Aubrey jogs in miles?
Answers
Answer:
3
Step-by-step explanation:
A larger number is double the sum of 3 and a smaller number. The larger number is 2 less than 3 times the smaller number. If y represents the larger number and x represents the smaller number, which equations model the situation? Check all that apply.
Answers
Answer:
y = 3x - 2
3x - y = 2
y = 2(x + 3)
Step-by-step explanation:
y = the larger number
x = the smaller number
A larger number is double the sum of 3 and a smaller number
y = 2(x + 3)
y = 6 + 2x
The larger number is 2 less than 3 times the smaller number.
y = 3x - 2
Make -2 the subject
y - 3x = -2
Make 2 the subject
y = 3x - 2
y - 3x = -2
(y - 3x) * -1 = -2 * -1
-y + 3x = 2
3x - y = 2
The answers:
y = 3x - 2
3x - y = 2
y = 2(x + 3)
In the equation y = -x + 7 what is the value of m
Answers
y=mx+b
m=-1
I am adding more text to be able to submit this
In triangle ABC , Sin angle B=14/17 . The hypotenuse of triangle ABC
A. 14
B17
C. 2sqrt(485 )
D. 0.824
Answers
Answer: A
Step-by-step explanation:
Platooo
I will make brainliest
Answers
Answer:
81.64
Step-by-step explanation:
formula for volume of a cylinder is pi times radius squared times height
the radius here is 2, and the height is 6.5
plug the numbers into the formula and you get pi(2^2)(6.5), which is 81.64
In the diagram, x is a negative number. and it is closer to zero than y.y is a positive number. which expression must be negative
Answers
Answer:
you already click the answer
Step-by-step explanation:
A fire marshal is determining the maximum occupancy of a school. The first step in doing so is to find the area of the building's floor. What is the area? 1,500 square yards 1,800 square yards 2,000 square yards 2,340 square yards
Answers
Answer:
a) 1,500 square yards
Step-by-step explanation:
you would do 30 times 20 which is 900. then you would do 50 times 9 which is 450. you would have to do that twice. then you would add 900 + 450 + 450 = 1,500
rate and like my answer plz.
hope this helped.
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Answer:
A 1500 Square yards
Step-by-step explanation:
right on edge
what can sometimes be a rhombus
A. parallelogram
B. rectangle
C. quadrilateral
D. trapezoid
Answers
Answer:
A, parallelogram
Step-by-step explanation:
Because they are both parallel.
Answer:
I am not shure, but I think it is C.
The mean age of 5 people in a room is 39 years.
A person enters the room.
The mean age is now 40.
What is the age of the person who entered the room?
Answers
Answer: Answer:the person entering the room is 10 years oldStep-by-step explanation:x / 5 = 40x = 40 * 5x = 200so the total of all the ages of 5 people
Step-by-step explanation:
Please help fast how to find missing numbers
Answers
Answer:
Step-by-step explanation:
which statement is false? NO LINKS AND NO BLANK ANSWERS
A) all squares are rectangles.
B) all squares are parallelograms.
C) all rhombuses are squares.
D) all rhombuses are parallelograms.
Answers
Answer:
C because not all rhombuses are squares
The equation y=4.2x could represent a variety of situations. Write your own description of a situation represented by this equation. Decide what quantities x and y represent in your situation.
Answers
Answer:
The solution is given below:
Step-by-step explanation:
Given that
The equation is 4.2x
It could present the total price for the no of goods
Here we take an example
The price per chips is $4.2
And, the number of chips purchased be x
And, the total price would be y
So if 5 chips were purchased, so the total price would be
y = $4.2 (5)
= $21
hence, the above represent the description
i literally cant math please help me thank you
Answers
Answer:
1. 6
2. 4
3. 10
4. Not sure about this one but I think 3
Solve for all values of x by factoring.
x^2-11x+10=0
Answers
Answer:
x= 10, x=1
Step-by-step explanation:
(x-1)(x-10)=0
then solve for x
Find the slope and the y-intercept of the line
y=-1/5*+9
Answers
Answer:
slope is -1/5 and 9 is the y intercept
Step-by-step explanation:
Solve to get "y" by its self:
6x – 3y = 18
Answers
See the picture for explanation plz.
Kylie is selling gift bags and wrapping paper for a school fundraiser. Mrs. Jones orders 4 gift bags and 3 rolls of wrapping paper for $47.50. Mrs. Kim orders 7 gift bags and 1 roll of wrapping paper for $47.00. Mr. Burnett wants to order 3 gift bags and 5 rolls of wrapping paper. How much is Mr. Burnett’s order?
b = Gift Bag
p = Wrapping Paper
Which system represents the problem situation?