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Fudgin [204]
3 years ago
7

Kari bought 3 gallons of milk that cost $2 70 per gallon What was the total cost of the milk? Enter your answer in the box​

Mathematics
2 answers:
belka [17]3 years ago
6 0

Answer:

$8.10

Step-by-step explanation:

multiply 2.70 by 3

Alla [95]3 years ago
5 0

Answer:

$8.10

Step-by-step explanation:

2.70+2.70+2.70=$8.10

1. 2. 3. total

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Solve the simultaneous equations
Contact [7]

Answer:

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

Step-by-step explanation:

Given equations are:

3x+4y=30\ \ \ Eqn\ 1\\3x-y=15\ \ \ \ Eqn\ 2

There are three methods to solve simultaneous equations

  1. Elimination
  2. Substitution
  3. Co-efficient method

We will use the elimination method as the coefficients of x in both equations are already same

Subtracting equation 2 from equation 1

3x+4y - (3x-y) = 30-15\\3x+4y-3x+y = 15\\5y = 15\\\frac{5y}{5} = \frac{15}{5}\\y = 3

Putting y = 3 in equation 2

3x-3 = 15\\3x = 15+3\\3x = 18\\\frac{3x}{3} = \frac{18}{3}\\x =  6

Hence,

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

7 0
3 years ago
D+4/3D = 336 what is the number of d
ruslelena [56]

Answer:

12

Step-by-step explanation:

4 0
3 years ago
Sadie started reading at 3:31 and finishes at 6:10. How long did Sadie read?
Valentin [98]

Answer:

2h and 39mins

Step-by-step explanation:

If you are unsure of these times questions. I suggest you draw a timeline! it helps! Trust me!!

6 0
2 years ago
Find the slope. Please someone answer this I need it I’ve been posting it but no one says anything.
KATRIN_1 [288]

Answer:

y=1x

y=0.3x

y=4x

Step-by-step explanation:

6 0
2 years ago
All four of the box plots lie on the same scale and contain the same number of data points. Identify the box plot that best repr
zvonat [6]

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It's the boxplot with these (**) Not symetric and the middle of the box isnt

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3 years ago
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