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m_a_m_a [10]
3 years ago
7

I don’t understand how to do these and this assignment is due today :((

Mathematics
1 answer:
salantis [7]3 years ago
8 0

Answer:

Step-by-step explanation:

8 , 12 , 16 , 20  .......

First term = a = 8

Common difference = second term - first term = 12 - 8= 4

nth term = a + (n-1) * d

               = 8 + (n -1) * 4

                = 8 + 4n - 4

                 = 4n + 8 - 4

                 = 4n + 4

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Solve 4x - 5 = 19.<br> O A. x = 8<br> O B. x = 10<br> C. x = 6<br> O D. x = 3.5
Basile [38]

Answer:

C x=6

Step-by-step explanation:

4x-5=19

+5 on both sides

4x=24

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2 years ago
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Answer:c

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Which expression is equivalent to 3/4(3x - 5)<br> A.-3/2x<br> B.6x<br> C.9/4x-15/4<br> D.9/4x + 15/4
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Please help! I'm giving 25 points!!
balu736 [363]

1. The number of gallons of water produced is 460 gallons

2. The amount in cm the sea would increase after 6 years is 392 cm

<h3>1. How to determine the number of gallons produced</h3>

We'll begin by by converting 1.9 m³ to cm³. This is illustrated below:

1 m³ = 1×10⁶ cm³

Therefore,

1.9 m³ = 1.9×10⁶ cm³

Next, we shall determine the volume of water produced from 1.9 m³ (i.e 1.9×10⁶ cm³) of ice. This is illustrated below:

From the question given,

1 cm³ of ice = 0.92 cm³ of water

Therefore,

1.9×10⁶ cm³ of ice = 1.9×10⁶ × 0.92

1.9×10⁶ cm³ of ice = 1.748×10⁶ cm³ of water

Finally, we shall determine the number of gallons produced. This is illustrated below:

From the question given,

3800 cm³ of water = 1 gallon

Therefore,

1.748×10⁶ cm³ of water = 1.748×10⁶ / 3800

1.748×10⁶ cm³ of water = 460 gallon

Thus, 460 gallons were produced

<h3>2. How to determine the amount in cm the sea would increase to after 6 years</h3>

From the question given above,

1000 Km³ = 364 cm

Therefore,

179.4 Km³ = (179.4 × 364) / 1000

179.4 Km³ = 65.3016 cm per year

To obtain the increase after 6 years, multiply 65.3016 by 6 as shown below:

65.3016 × 6 = 392 cm

Thus, the sea will increase 392 cm after 6 years

Learn more about conversion:

brainly.com/question/2139943

#SPJ1

7 0
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