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xxMikexx [17]
3 years ago
11

Evaluate a-b²c2 for a = 2, b = 3, and c = 4.​

Mathematics
2 answers:
katrin2010 [14]3 years ago
4 0

Answer: -70

Step-by-step explanation: 2-3^2x4x2

AlekseyPX3 years ago
3 0

Answer: -70

Step-by-step explanation:

1. Write out equation : 2-3^2(4)(2)

2. PEMDAS = (Exponents) 3 to the second power = 9

3. 2-9(4)(2)

4. Multiply 9 & 4 which is 36 then multiply

36 & 2 which is 72

5. 2-72

6. -70

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Step-by-step explanation:

The point-slope form of a linear equation is written using the slope of the line and one point in the line. From part A, the slope of the line representing this situation is m = -5/6.

Since x represents the number of 10-student groups and y represents the number of 12-student groups, the combination of 18 groups of 10 students and 5 groups of 12 students is represented by the point (18,5).

6 0
3 years ago
Define the value of the expression 3^2 x 3^{-5}
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Answer:

Between 0 and 1

Step-by-step explanation:

The given expresion is

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Recall that:

{a}^{m}  \times  {a}^{n}  =  {a}^{m + n}

We apply this property of exponents to get;

{3}^{2}  \times  {3}^{ - 5}  =  {3}^{2 +  - 5}  =  {3}^{ - 3}

We rewrite to obtain a positive index as:

{3}^{2}  \times  {3}^{ - 5}  =  \frac{1}{ {3}^{3} }  =  \frac{1}{27}

Therefore the value of the expression is between 0 and 1.

8 0
3 years ago
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Step-by-step explanation:

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LiRa [457]

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3 years ago
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