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ziro4ka [17]
3 years ago
15

Write an expression for each sentence

Mathematics
1 answer:
Nitella [24]3 years ago
7 0

Answer:

  1. x^2+y
  2. 3(n-7)
  3. 37x-9.85

Step-by-step explanation:

1. If x represents a number, then x^2 represents its square. If y represents a second number, then the sum of that square and the second number is ...

  x^2 + y

__

2. The difference of a number (n) and 7 is (n-7). Three times that difference is ...

  3(n - 7)

__

3. If x represents a number, then the product of 37 and a number is 37x. 9.85 less than that is ...

  37x - 9.85

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Step-by-step explanation:

3(x+1)=-2(x-1)-4

3x+3=-2x+2-4

by combining like terms on one side and unlike term by other side

3x+2x=2-4-3

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8 0
3 years ago
Find the output, k, when the input, t, is -7−7minus, 7.<br> k = 10t-19k=10t−19
sleet_krkn [62]

The value of k is -89

Explanation:

The given expression is k=10t-19

We need to determine the output k, when the input t is -7

<u>Output k:</u>

The value of the output k can be determined by substituting the input t=-7 in the expression k=10t-19

Thus, we have,

k=10(-7)-19

Multiplying the terms 10 and -7, we have,

k=-70-19

Simplifying, we get,

k=-89

Thus, the value of k is -89

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3 years ago
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GarryVolchara [31]

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Answer:

H:150

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