Hey there! I'm happy to help!
To solve by substitution, rearrange one of the equations for one of the variables.
3x+2y=11
Subtract 2y from both sides.
3x=11-2y
Divide both sides by 3.
x=11/3-2/3y
Now we plug this value of x into the second equation to solve for y.
2(11/3-2/3y)-2y=14
We use distributive property to undo the parentheses.
22/3-4/3y-2y=14
We combine like terms.
22/3-10/3y=14
We subtract 22/3 from both sides.
-10/3y=20/3
Divide both sides by -10/3.
y=-2
We plug this value into one of the equations to solve for x.
3x+2(-2)=11
3x-4=11
Add 4 to both sides.
3x=15
Divide both sides by 3.
x=5
So, the solution is x=5 and y=-2 or (5,-2).
Have a wonderful day! :D
Help plzzzzzzzzzzzzzzzzzz
Answer:1
Step-by-step explanation:
Answer:
[tex]x=-11[/tex]
Step-by-step explanation:
[tex]\sqrt{5-x}=4[/tex]
Square both sides:
[tex](\sqrt{5-x})^2=4^2[/tex]
[tex]5-x=16[/tex]
Subtract 5 from both sides:
[tex]5-x-5=16-5[/tex]
[tex]-x=11[/tex]
Divide both sides by -1:
[tex]\frac{-x}{-1}=\frac{11}{-1}[/tex]
[tex]x=-11[/tex]
What is the equation of the line that passes through the point (−6,2) and has a slope of -3/2
[tex]y = {x}^{2} + 4x - 12[/tex]
Help me please thank you
The jansen family has 2 1/2 gallons of milk. Each of the 3 family members drinks 1 1/2 cups of milk a day .How many cups of milk are left after 8 days ?
Answer:
4
Step-by-step explanation:
The amount of milk remaining is equivalent to 4 gallons.
What is a function? What is equation modelling? What is a mathematical equation and expression?In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the functionEquation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.Given is that Jansen family has 2 1/2 gallons of milk. Each of the 3 family members drinks 1 1/2 cups of milk a day.
1 gallon = 16 cups
2[tex]\frac{1}{2}[/tex] gallons = 2[tex]\frac{1}{2}[/tex] x 16 = 5/2 x 16 = 5 x 8 = 40 cups
Now -
Total milk consumed in 1 day = 3 x 3/2 cups = 9/2 cups = 4.5 cups.
In 8 days, the amount of milk consumed will be = 4.5 x 8 = 36 gallons.
Remaining amount = 40 - 36 = 4 gallons.
Therefore, the amount of milk remaining is equivalent to 4 gallons.
To solve more questions on equations, expressions and polynomials, visit the link below -
brainly.com/question/17421223
#SPJ5
Find the midpoint of the segment with the following endpoints.
(8,5) and (0, -1)
Answer:
(4,2)
Step-by-step explanation:
[tex]Midpoint =\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)\\\\\left(x_1,\:y_1\right)=\left(8,\:5\right),\:\\\left(x_2,\:y_2\right)=\left(0,\:-1\right)\\\\=\left(\frac{0+8}{2},\:\frac{-1+5}{2}\right)\\\\= (\frac{8}{2} , \frac{4}{2} )\\\\Simplify\\=\left(4,\:2\right)[/tex]
Answer:
(4,2)
Step-by-step explanation:
you know why
Can someone please help me I have been trying for hours and I don’t get it.
Consider the steps to solve the equation. 2 5 ( 1 2 y + 20 ) − 4 5 = 9 20 (2y − 1) Distribute: 1 5 y + 8 − 4 5 = 9 10 y − 9 20 What is the next step after using the distributive property? Use the multiplication property of equality to isolate the variable term on one side of the equation. Use the multiplication property of equality to isolate the constant on one side of the equation. Combine the like terms on the right side of the equation. Combine the like terms on the left side of the equation.
Answer: D
Step-by-step explanation:
<3
Answer:
The correct answer is d. Combine the like terms on the left side of the equation.
can anyone help asap?
answer:
i think the answer is D it's been a really long time since i've done that
hope that helps!
Solve.
1) (-85) ÷ 20 =
2] 100 ÷ 60 =
[tex] - 85 \div 20 = - 4 \frac{1}{4} = - 4.25[/tex]
[tex]100 \div 60 = \frac{5}{3} = 1 \frac{2}{3} [/tex]
Translate into a verbal expression:
3x - 2
Answer:
three times a number minus two
Step-by-step explanation:
x= times a number
How does the absolute value take away negative signs
Step-by-step explanation:
the absolute value is the numbers UNIT DISTANCE from the origin (0,0). since you can't have negative distance, the result is always positive. Can be solved by counting distance on a graph Not by the actual numbers on the line (-1,-2,-3, etc) but by counting the "boxes" from a point to the origin. hope this makes sense!
Answer:
the absolute value of negative number makes it a positive number
A submarine drops at a rate of 16 feet per minute. What is the submarines depth after 4 minutes?
Answer:
答えがわからない
Step-by-step explanation:
答えがわからない
can someone please help me:/!!! i’m a sophomore in hs, this is integrated math 2 chapter 2 test!
Answer:
Corresponding angles
Step-by-step explanation:
Corresponding angles are formed when two lines are crossed by another line (which is called the Transversal) So , the angles in matching corners are called corresponding angles.
PLEASEEEE HELP URGENT
Answer:
7.1 cm
Step-by-step explanation:
The diagonal of a cube connects two opposite corners.
You can use the diagonal of a cube in a right triangle in which it is the hypotenuse. The legs of the triangle are a diagonal of a face and an edge.
Let the length of the edge be s.
a^2 + b^2 = c^2
[tex] s^2 + 10^2 = (\sqrt{150})^2 [/tex]
[tex] s^2 + 100 = 150 [/tex]
[tex] s^2 = 50 [/tex]
[tex] s = \sqrt{50} [/tex]
[tex] s = 5\sqrt{2} [/tex]
s = 7.1
Answer: 7.1 cm
John's teacher bought three 64 ounce bottles of soda for a class party. At the end of the party, 1/6 of the soda remained. How many ounces of soda remained?
Answer:
32 ouncesStep-by-step explanation:
If John's teacher bought three 64 ounce bottles of soda for a class party, the total weight of the soda bought will be 3*64 = 192 ounces of soda.
If 1/6 of the soda remained after the party, the amount of ounces that remained is expressed as;
amount of ounces that remained = 1/6 * 192
amount of ounces that remained = 32 ounce
Hence amount of ounces that remained is 32 ounces
Find f(2) for the following functions: f(x) = x - 14
Answer:
f(2) = - 12Step-by-step explanation:
f(x) = x - 14
To find f(2) substitute the value of x that's 2 into f(x). That is for every x in f(x) replace it with 2
We have
f(2) = 2 - 14
We have the final answer as
f(2) = - 12Hope this helps you
Here, we are given with a polynomial f(x)
[tex]f(x) = x - 14[/tex]
And we are asked to find f(2).....?
We can see that, 2 is in place of x. So for finding its value, we need to substitute 2 in place of x.
Substituting 2 in place of x:
[tex]f(x) = x - 14[/tex]
[tex]f(2) = 2 - 14[/tex]
Solving further,
[tex]f(2) = \boxed{- 12}[/tex]
And, we're done with the value of f(2)
#CarryOnLearning
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Definition: This is a fraction in which the numerator is larger than the denominator.
Please answer by tomorrow! Thanks!
Answer:
4: 50.75
3: 43.2
2: 193
7: y= 5/2, or 2.5 or 2 1/2
Step-by-step explanation:
Solve fully plz!! I'll DO ANYTHING
Answer:
y=5
Step-by-step explanation:
all you have to do is divide 6 on both sides
to get 5 cause negatives cancel
y = 5
Step-by-step explanation:
[tex] - 30 = - 6y[/tex]
Divide both sides of the equation by -6
[tex] \frac{ - 30}{ - 6} = \frac{ - 30}{ - 6} \\ \\ y = 5[/tex]
Please Help Thank You So Much This is inequalities Knowing that 6 < x < 7 and 10 < y < 12, find all possible values of: b). y − x d). y / x I kinda need this today.
Answer:
1) C 2) (-2,0) 3) 4) 5) c )S={(0,3)} 6) (0,2) 7) 8) Missing graph 9) Vertical line (check below) 10) B 11)
Step-by-step explanation:
1) Solving by the Addition/Elimination Method. Firstly, let's reduce one variable by making some algebraic adjustments and then adding it up:
2) Solving by Substitution Method. Where y=x+2 is plugged in the 2nd equation.
3) Solving it, again, by the Substitution Method due to the I equation form:
4) By the Addition Method
5) To use the graph method to solve the system of Linear equations is possible by graphing each equation on the Cartesian Plane.
Check the graph below, this system has only one solution.
c)S={(0,3)}
6) Solving y=-1/3x+2 y=x+2
(Check the graph below)
A) A) (0, 2)
7) Solving by Substitution Method:
8) Missing graph
9)
Check the graph below its answer
10) Solving by the Addition Method
11) Sorry, missing graph for the question.
12) Sorry, missing graph for the question.
13) D Check the graph below
14) Sorry, missing graph for the question.
Answer:
b= 3
d= 10/7
Step-by-step explanation:
Basically what you do is 12/6 and 10/7 for d, because it is the greatest and least on both sides. You do the same for b so it would be 10-7=3 and 12-6=6
Where is the camera's shutter located?
Answer: The camera shutter is located inside the camera body.
Fun Fact - In the 1957 film “12 Angry Men” the focal length of the lenses in the cameras used were gradually increased to create a feeling of claustrophobia.
Which property of addition is shown? f + 0 = f
Answer: Additive Identity Property
Step-by-step explanation:
Additive Identity Property: The sum of any number and zero is the original number. For example 5 + 0 = 5.
Review the following equation. Redo the work for the equation. What is the
value of x?
2(x + 1) = x - 4(x-2)
2x 2 = x-4(x-2)
2x2 = x - 4x - 8
2x - 2 =-3x - 8
-6 = -5x
-6/5 = x
What is the answer?:
x= 6/5
x= 5/7
x= 7/5
x= -3/5
What is the slope of the line that passes through the points:
(6,-4), (15,-4)
Answer:
The slope is 0
Line is y= -4
Step-by-step explanation:
Select the most precise and correct definition of parallel lines from among those that are given.
A.Two distinct lines are parallel if they are in the same plane and never intersect each other.
b.Two distinct lines are parallel if they point in the same direction.
c.Two distinct lines are parallel if one can be rotated to sit on top of the other.
Solve for x and y: 10x=5y+5 y=2x-1
Answer:
So there are infinite solutions along the line y = 2x-1
Step-by-step explanation:
10x=5y+5
y=2x-1
Substitute y into the first equation
10x = 5(2x-1) +5
10x = 10x-5+5
10x = 10x
This is always true
So there are infinite solutions along the line y = 2x-1
What is the answer to -2r-4r=0
Answer:
r = 0
Step-by-step explanation:
First, combine like terms:
(-2r - 4r) = 0
(-6r) = 0
Isolate the variable, r. Divide - 6 from both sides:
(-6r)/-6 = (0)/-6
r = 0/-6 = 0
r = 0 is your answer.
~
Answer: R=0
Step-by-step explanation:
Kathy wants to do a fundraising for her school. She can’t sell more than 6 pies of cheese pizza and she can sell at least most 5 pies of pepperoni pizza. Kathy can only have a total of 10 pizza pies. Hint: Kathy can’t sell negative pies of pizzas.
What is the two inequalities?
Answer:
x≤6
y≤5
x+y≤10
Step-by-step explanation:
R/5 = 4/7 solve for r
Answer:
[tex]\large\boxed{R = 2 \frac{6}{7}}[/tex]
Step-by-step explanation:
R/5 = 4/7
Cross-multiply (numerator * opposite denominator = numerator * opposite denominator)
R(7) = 5(4)
Multiply
7R = 20
Divide both sides of the equation by 7
R = 20/7
Simplify
[tex]\large\boxed{R = 2 \frac{6}{7}}[/tex]
Hope this helps :)
the volume of a bucket of water is 864 cubic inches. how many buckets are needed to fill a 7 cubic foot tank?
Answer:
We have the relation:
1ft = 12 inches.
Then, if we cube both sides, we have:
(1ft)^3 = (12 in)^3
1ft^3 = 288 in^3.
Now we know that:
The bucket is 864 in^3
The tank is 7 ft^3.
knowing that 1 ft^3 = 288in^3
Then 7 ft^3 is seven times that:
7ft^3 = 7*(1ft^3) = 7*(288in^3) = 2016 in^3
Now the number of buckets needed to completely fill the tank is:
N = (2016 in^3)/(864in^3) = 2.33
So you need 2.33 buckets, or we can round it up to 3 buckets, where the third bucket will have some water inside it when the tank is completely filled.