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Actually Welcome to the Concept of the variables and linear equation.
let the cost of coffee be x and cost of muffin be y.
=> Let the first equation be => 2x + 2y = 16
=> Let the second equation be => 2x + 4y = 20
let's, reduce first eqn ==> x + y = 8 , then x = y-8
now we substitute value of x in second equation,
2(8-y) + 4y = 20
==> -2y + 4y +16 = 20.
==> 2y = 4
==> y = 2
hence, now x = 8-2 ==> 6 ,
so the cost of a Coffee = 6
cost of a muffin = 2
Cost of a muffin = 6
2x=11 need the answer plss
Answer:
x=11/2 = 5 1/2
Step-by-step explanation:
Answer:
5.5 =x
Step-by-step explanation:
2x=11
1. Start by dividing by ten since its a even number
2. Then you'll get 5
3. With the last number you'll divide it that'll end up with
.5
4. Just combine both 5 and .5 and you'll get your answers 5.5
write the word sentence as an quotation:
the sum of the number k and 5 is 11
Answer:
k+5=11
Step-by-step explanation:
Answer:
k=6
Step-by-step explanation:
k+5=11 (this is an algebraic expression)
k=11-5 (you move 5 to the left)
k=6
Two families went to Rollercoaster World. The Garcia family paid $170 for 3 children and 2 adults. The McGruder family paid $360 for 4 children and 6 adults.
If x is the price of a child’s ticket in dollars and y is the price of an adult’s ticket in dollars, write a system of equations the models this situation.
Answer:
3x +2y =170 ---equation 1
4x +6y =360 ---equation 2
Price of child 's ticket =$30
price of an adult’s ticket =$40
Step-by-step explanation:
Let x represent the price of a child’s ticket in dollars
and y represent the price of an adult’s ticket in dollars
Such that
3 children and 2 adults for the cost of $170 be represented as
3x +2y =170 ---equation 1
4 children and 6 adults for the cost of $360 be represented as
4x +6y =360 ---equation 2
3x +2y =170 ---equation 1
4x +6y =360 ---equation 2
bY Elimination method Multiplying equation 1 by 4 and equation 2 by 3
12x+8y =680---equation 3
12x +18y =1080---equation 4
Subtracting equation 3 from 4
10 y=400
y =400/10
y=40
Puting the value of y=40 in equation 1 to foind x
3x +2y =170
3x+2 x 40= 170
3x+80 =170
3x=170-80
3x=90
x=90/3=30
Price of child 's ticket =$30
price of an adult’s ticket =$40
Evaluate:
UV
2
if u=4 and v=3
PLEASEEEEEEEEEEEEEEE HELPPP
Answer:
88, A
Step-by-step explanation:
16 x 4 = 64
3 x 8 = 24
64+24 = 88
2 points
7) My savings account increases in value by 4% every year. I started with
$10,000. Which of the following equations can be used to represent the
value of my account over time. *
f(x) = 10000(0.04)^x
f(x) = 10000(1 -0.04)^x
Of(x) = 10000(1.04)^x
O f(x) = 10000(0.96)*x
Answer: 10000(1.04)^x
Step-by-step explanation: every year your interest increases 4%
And you get multiplier 1.04. After first year you have 10400 and next year you multiply it by 1.04 again.
( 3 + 1/2/) x 14= Thanks for the assistance......
Answer:
49
Step-by-step explanation:
3+1/2= 3.5
3.5 x 14= 49
hope I helped. :)
Find the range for the measure of the third side of a triangle given the measures 5 and 9 for two of its sides.
57. J(0,5), K(0, 0), L(-2, 0), P(4,8), Q(4,3), R(6, 3)
and
59. J(-6, -3), K(1, 5), L(2, -2), P(2, -11), Q(5, -4), R(10, -10)
Answer:
what you need
Step-by-step explanation:
sbbrma asks dmahh aos. Dan doss TNT saobe Dan dndjd f fjdhej f coapshf f xkslshd d xls HD x jams fnf
True or False: Cold air is more dense than warm air, causing it to sink and hover near the ground.
Group of answer choices
False
True
Answer:
True! :)
Step-by-step explanation:
A rectangle has an area of 54 square inches and a length of 6 in what is the width in inches of the rectangle?
[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]
Actually Welcome to the Concept of the Areas and Volumes.
We know that, Area of a Rectangle = length * Width.
Since,here Length = 6 inch and Area = 54 square inches,
==> Width = Area / length
==> Width = 54/6
=> Width = 9 inches.
Hence the width of the rectangle is 9 inches.
What do I do for this
Answer:
its 7 or B.
Step-by-step explanation:
7 is the number being repeated the most (dunno if that makes sense so the mode is the most common number in a data set.)
What is the slope of a line perpendicular to the line whose equation is
X+ 3y = –15. Fully simplify your answer.
PLEASEE help 10 points?
Answer:
3
Step-by-step explanation:
What property or theorrm would we have to use on these triangles to make them congruent
by ASA shortcut?
==============================================================
Explanation:
The diagram shows that we have two pairs of angles that are congruent. The angles with the single red arc pair up and are congruent, and the angles with the double arcs are the other congruent pair.
That takes care of the two "A"s in "ASA". As you can probably guess or know by now, "A" stands for "angle".
The only thing we need is the info about a pair of sides if they are congruent or not. In this case, we can see that the horizontal sides of the triangles are congruent since they overlap perfectly, or they are a shared common side. We use the reflexive property to say that "any segment is congruent to itself".
Which equation represents a line with slope -1/2
that passes through (-3, 4) ?
Answer:
y=-1/2x+5/2
Step-by-step explanation:
y-4=-1/2(x-(-3))
y-4=-1/2(x+3)
y-4=-1/2x-3/2
y=-1/2x-3/2+4
y=-1/2x+5/2
cost of 4 dozen bananas is rupees 180 how many bananas can be purchased for rupees 30 unto
Answer:
8 bananas
Step-by-step explanation:
4 dozen is equal to 48 and 180 divided by 48 is 3.75 then 30 divided by 3.75 is 8
Which ones are correct?
Answer:
a and c
Step-by-step explanation:
Write as a square of a binomial
4.8xy+36y^2+0.16x^2
Answer:
(6y+0.4x)^2
Step-by-step explanation:
Question 6 of 10
Which of the following appear in the diagram below?
Check all that apply.
zd
ОА. Иму
B. Y
I C. ZXYZ
OD. ZYXZ
SUBMIT
PREVIOUS
Answer:
83 dz
Step-by-step explanation:
yeahlets bbzkalaamN
This is a question my friend asked me help
Cranberry juice is made with a 16:3:1 ratio of water:sugar:cranberries. How much water, in gallons, is needed in order to make three gallons of cranberry juice? Express your answer as a common fraction.
Answer:
12 / 5 gallons
Step-by-step explanation:
A baby girl weighed 6 pounds at birth and 8
pounds one month later. How many ounces
did the baby gain in her first month of life?
A. 16 ounces
В.
64 ounces
C. 32 ounces
D. 48 ounces
Answer: C
Step-by-step explanation:
1 pound is equivalent to 16 ounces. She earned 2 pounds in 1 month, meaning that you have to multiply 16 times 2, which gives 32 ounces. Hope this can help you! Have a great day/night!
look at the picture nd hurry please it needs to be done by 3 I have to do reading too!
Answer:
First one
Step-by-step explanation:
Even numbers
2 is tossed 10 times
4 is tossed 10 times
6 is tossed 9 times
10 + 10 + 9 = 29
Odd numbers
1 is tossed 8 times
3 is tossed 6 times
5 is toosed 7 times
8 + 6 + 7 = 21
Write The Equation on the line.
Answer:
Check pdf
Step-by-step explanation:
Imogene's car traveled 504 mi averaging a certain speed. If the car had gone 9 mph faster, the trip would have taken 1 hour less. Find the average speed.
The average speed of the car was mph.
Omar deposited $4000 into an account with 3.3% interest, compounded semiannually. Assuming that no withdrawals are made, how much will he have in the account after 5 years? Do not round any intermediate computations, and round your answer to the nearest cent.
Answer:
4711.22
Step-by-step explanation:
[tex]A=P(1+\frac{r}{n} )^{nt}\\\\A=4000(1+\frac{0.033}{2}) ^{2*5}\\\\A=4711.22[/tex]
need these 2 questions answer fast pls
Answer:
4a) The sides are not scaled up equally for the sides. Plus, B is not a right triangle since it does not satisfy the pythogorean theorem.
4b) 6, 8, 10
I need help with this question
600 students attend Ridgewood Junior High School. 10% of students bring their lunch to school everyday. How many students brought their lunch to school on Thursday?
Answer:
60
Step-by-step explanation:
10% of 600 is 60
-3 - 4x - 2(1 + 3x) = 1 - 2x + 2
Answer:
x = -1
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to RightEquality Properties
Multiplication Property of EqualityDivision Property of EqualityAddition Property of EqualitySubtraction Property of EqualityDistributive Property
Algebra I
Terms/CoefficientsFactoringStep-by-step explanation:
Step 1: Define
-3 - 4x - 2(1 + 3x) = 1 - 2x + 2
Step 2: Solve for x
[Addition] Combine like terms: -3 - 4x - 2(1 + 3x) = -2x + 3[Addition Property of Equality] Add 3 on both sides: -4x - 2(1 + 3x) = -2x + 6[Addition Property of Equality] Add 4x on both sides: -2(1 + 3x) = 2x + 6Factor GCF: -2(1 + 3x) = 2(x + 3)[Division Property of Equality] Divide -2 on both sides: 1 + 3x = -(x + 3)[Distributive Property] Distribute negative: 1 + 3x = -x - 3[Addition Property of Equality] Add x on both sides: 1 + 4x = -3[Subtraction Property of Equality] Subtract 1 on both sides: 4x = -4[Division Property of Equality] Divide 4 on both sides: x = -1Complete the equation of the line through (-10.-7) and (5.9).
15 POINTS PLEASE
Answer:
y=16/15x-11/3
Step-by-step explanation:
(9--7)/(5--10)
slope = 16/15
y=16/15(x)+b
-9=(16/15)(-5)+b
b=-11/3