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makvit [3.9K]
4 years ago
10

Write an expression that is equivalent to 3 (2x + 6y)

Mathematics
2 answers:
irina1246 [14]4 years ago
5 0

Answer:

6x + 18y or 6 (x + 3y)

Step-by-step explanation:

Distribute the 3 or divide the parentheses by 2

pentagon [3]4 years ago
3 0

Answer:

6x+18y

Step-by-step explanation:

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Help....
11111nata11111 [884]

Answer:

(A) 6/20 = x/2000

Step-by-step explanation:

To complete your questions, the missing parts are shown below

                   Sample 1                  Sample 2        total

Country            5                               3                 8  

Pop                  4                                3                 7

Classical          3                                5                 8

Jazz                 2                                4                  6

Rock                6                                5                11

Total                20                               20             40

The proportion that would predict the number of jazz songs that Mr. McElroy has stored on his MP3 player is given by 6/20

Hence, our required proportion would be

6/20 =x/2000

We cross multiply  

20x = 2000 x 6

20x = 12000

Divide both sides by 20

X = 12000/20

X = 600

Hence, our required proportion would be

6/20 = x/2000

5 0
4 years ago
Read 2 more answers
Help i put 25 points idk how much you will get but please answer asap!!!!!!!
valentinak56 [21]

Answer:

65 in²

Step-by-step explanation:

1. Break up the figure (We'll do it left to right): We now have 3 rectangles:

<em>(6 - 4) x 4, (4 + 8) x 4, and 3 x 3</em>

2. Find the two lengths: 6 - 4 = <em>2</em>, 4 + 8 = <em>12</em>

3. Find the three areas: 2 * 4 = <em>8</em>, 12 * 4 = <em>48</em>, 3 * 3 = <em>9</em>

4. Add the areas: 8 + 48 + 9 = 65 in²

8 0
4 years ago
Which of the following is the most appropriate unit to describe the rate at which water flows over Niagara Falls?.A) Day per bil
frozen [14]
Billion gallons per day, because the independent quantity is time in days and dependent quantity is volume of water in billion gallons is the one among the following that <span>is the most appropriate unit to describe the rate at which water flows over Niagara Falls. The correct option among all the options that are given in the question is the third option or option "C".</span>
4 0
3 years ago
Read 2 more answers
Solve the system of equations by substitution x+y=18, y=5x
Artyom0805 [142]

Answer:

(3, 15 )

Step-by-step explanation:

Given the 2 equations

x + y = 18 → (1)

y = 5x → (2)

Substitute y = 5x into (1)

x + 5x = 18

6x = 18 ( divide both sides by 6 )

x = 3

Substitute x = 3 into (2) for corresponding value of y

y = 5(3) = 15

Solution is (3, 15 )

4 0
4 years ago
Read 2 more answers
At the ice cream parlor,sundaes cost $4.25 and waffle cones cost $3.75.You and your friends have $50 to spend.Your group buys 5
stich3 [128]

Answer:

You can buy 7 waffle cones.

Step-by-step explanation:

Let sundae = x

Let waffle cones = y

4.25x + 3.75y ≤ 50

4.25 (5) + 3.75y ≤ 50

21.25 + 3.75y ≤ 50

3.75y ≤ 28.75

y ≤ 7.666666666

* round to the nearest whole to get 7

6 0
3 years ago
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