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irina1246 [14]
3 years ago
14

What is the answer of 9^2 • 9^3

Mathematics
2 answers:
zloy xaker [14]3 years ago
6 0

Answer:

9^5

Step-by-step explanation:

the number you're multiplying stays the same and you add your powers I believe.

so it's basically 9•1 and the ^2+^3=^5

Vlad [161]3 years ago
5 0

Answer:

\boxed {\tt 9^{5}}

Step-by-step explanation:

When multiplying exponents, the base stays the same and the exponents are added.

a^x*a^y=a^{x+y}

We are given the expression:

9^2*9^3

The base is 9, and it will stay the same. The exponents, 2 and 3, must be added.

  • Exponents: 2, 3
  • Add them: 2+3=5

9^{2+3}

9^5

The answer to 9²*9³ is 9⁵

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Given the line y = − 2 5 x + 3, determine if the given line is parallel, perpendicular, or neither. Select the correct answer fo
stiks02 [169]

Answer:

(a) Neither

(a) Perpemdicular

Step-by-step explanation:

Required

Determine the relationship between given lines

(a)

y = -\frac{2}{5}x + 3

and

y = \frac{2}{5}x + 7

An equation written in form: y=mx + b has the slope:

m \to slope

So, in both equations:

m_1 = -\frac{2}{5}

m_2 = \frac{2}{5}

For both lines to be parallel

m_1 = m_2

This is false in this case, because:

-\frac{2}{5} \ne \frac{2}{5}

For both lines to be perpendicular

m_1 * m_2 = -1

This is false in this case, because:

-\frac{2}{5} * \frac{2}{5} \ne -1

(b)

5y + 2x = -10

and

-5x + 2y = 4

Write equations in form: y=mx + b

5y + 2x = -10

5y = -2x +10

Divide by 5

y = -\frac{2}{5}x +2

-5x + 2y = 4

2y = 5x + 4

Divide by 2

y = \frac{5}{2}x + 2

In both equations:

m_1 = -\frac{2}{5}

m_2 = \frac{5}{2}

For both lines to be parallel

m_1 = m_2

This is false in this case, because:

-\frac{2}{5} \ne \frac{5}{2}

For both lines to be perpendicular

m_1 * m_2 = -1

This is true in this case, because:

-\frac{2}{5} * \frac{5}{2} = -1

Cancel out 2 and 5

-1 = -1

6 0
3 years ago
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nasty-shy [4]
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3 0
3 years ago
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kati45 [8]

Answer:

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Step-by-step explanation:

In a visual display, the boxplot presents five sample statistics: the minimum, the lower quartile, the median, the upper quartile and the maximum, and the box length gives an indication of the sample variability and the line across the box shows where the sample is centred, with an end at each quartile. The length of the box is thus the interquartile range of the sample and, whether the sample is symmetric or skewed, either to the right or left, the "shape" of the sample, and by implication, the shape of the population from which it was drawn, considering appropriate analyses of the data.

7 0
3 years ago
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irina [24]

Answer:

d=18.

Step-by-step explanation:

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3 0
3 years ago
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