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ollegr [7]
3 years ago
5

Solve the following equation. 2(x+2)−4x=8 Question 1 options: x=−2 x=3 x=−3 x=1

Mathematics
1 answer:
Tanya [424]3 years ago
7 0

Step-by-step explanation:

2(x + 2) - 4x = 8

2x + 4 - 4x = 8

2x - 4x = 8 - 4

-2x = 4

x = 4/-2

x = -2

Option → A

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756 divide by 36 is 21
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The number of views on an interesting video after it's uploaded is represented by the following table:
defon

Answer:

The model for V(t) ,the number of views, t ,months after it's uploaded, best fits the data is ,V(t)=50(6.25)^t

Step-by-step explanation:

Time (months)         Views

0                                  50

2                                  313

4                                  1950

6                                  12,210

8                                  76,300

10                                 476,800

(x_1,y_1)=(0,50)\\(x_2,y_2)=(2,313)\\(x_3,y_3)=(4,1950)

Slope = \frac{y_2-y_1}{x_2-x_1}

Slope = \frac{313-50}{2-0}

Slope =131.5

Slope = \frac{y_3-y_2}{x_3-x_2}

Slope = \frac{1950-313}{4-2}

Slope =818.5

Since the slope is not same . So, it is not a linear relationship

\frac{y_2}{y_1}=\frac{313}{50}=6.25\\\frac{y_3}{y_2}=\frac{1950}{313}=6.25

Since the ratio between the consecutive outputs is same so, it is exponential relationship.

Formula : y=ab^t

Where a is the initial value = 50

b = rate of change = 6.25

The model for V(t) ,the number of views, t ,months after it's uploaded, best fits the data

So,V(t)=50(6.25)^t

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3 years ago
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4 years ago
Enter your answer as a simplified fraction.
leva [86]

Answer:

1 5/24 total gallons remain

Step-by-step explanation:

yellow:  4/3 - 3/4 = 16/12-9/12 = 7/12

green:  5/4 - 3/4 = 5/4-3/4 = 2/4

blue:  7/8 - 3/4 = 14/16-12/16 = 2/16

7/12 + 2/4 + 2/16 = 28/48 + 24/48 + 6/48 =

58/48 or 1 5/24

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3 years ago
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