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tangare [24]
2 years ago
15

Expand the following expression: 15(2+5x)

Mathematics
2 answers:
lorasvet [3.4K]2 years ago
7 0

Answer:

30+75x

Step-by-step explanation:

alexira [117]2 years ago
7 0
15(2+5x)

15 multiple by 2 = 30
15 multiple by 5x = 75x
Answer is 30+75x

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NISA [10]

Answer:

The common difference is same = d = -9

Therefore, the data represent a linear function.

Step-by-step explanation:

Given the table

x                        y

1                         4

2                        -5

3                        -14

4                        -23

5                         -32

Finding the common difference between all the adjacent terms of y-values

d = -5 - 4 = -6,

d = -14 - (-5) = -14+5 = -9

d = -23 - (-14) = -23 + 14 = -9

d = -32 - (-23) = -32 + 23 = -9

It is clear that the common difference between all the adjacent terms is same.

Thus,

d = -9

We know that when y varies directly with x, the function is a linear function.

Here, it is clear that each x value varies 1 unit, and each y value varies -9 units.

i.e. The common difference is same = d = -9

Therefore, the data represent a linear function.

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2 years ago
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Answer:

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Step-by-step explanation:

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Please help me with my homework idk if it is right or wrong
jeka57 [31]
Q1: 7×6 = 42
Q2: 42×1/8 = 42/8 = 5.25 (5 1/4) in^3
Q3: (0.5)^3 = 0.5×0.5×0.5 = 0.125 m^3
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6 0
3 years ago
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