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Maksim231197 [3]
2 years ago
9

Find the product of the following

Mathematics
1 answer:
zhannawk [14.2K]2 years ago
4 0

Answer:

1.

(a + 9) {}^{2}

2.

(6x + 2y) {}^{2}

3.

( \frac{4}{5} p + q) {}^{2}

4.

( \frac{2}{3} p +  \frac{3}{5} q) {}^{2}

5.

(y {}^{2}  + 3) {}^{2}

6.

( \frac{7}{9b {}^{2} }  + 2) {}^{2}

brainlist please please

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weeeeeb [17]
Working attached below:

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3 years ago
Line A has an equation of y=-2/5x + 3. What is the slope of a line perpendicular
Nat2105 [25]

Answer:

\frac{5}{2}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - \frac{2}{5} x + 3 ← is in slope- intercept form

with slope m = - \frac{2}{5}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{2}{5} } = \frac{5}{2}

5 0
4 years ago
Hey can someone help me with this
ivanzaharov [21]

Step-by-step explanation:

The median is the middle number is an ordered set of data. In a frequency table, the observations are already arranged in an ascending order. We can obtain the median by looking for the value in the middle position. If there is an odd number of observations, the median is the middle number

7 0
3 years ago
A set of average city temperatures in May are normally distributed with a mean of 20.66 ^\circ \text{C}20.66
Angelina_Jolie [31]

Answer:

0.9962

Step-by-step explanation:

The z score shows the number of standard deviations by which the raw score is above or below the mean. If the raw score is above the mean then the z score is positive but if the raw score is less than the mean then the raw score is negative. The z score is given by:

z=\frac{x-\mu}{\sigma}\\ \\\mu=mean,\sigma=standard\ deviation, x=raw\ score

μ = 20.66°C, σ = 2°C

For x < Singapore temperature, i.e. x < 26

z=\frac{x-\mu}{\sigma} =\frac{26-20.66}{2}=2.67

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4 0
3 years ago
Can someone help me with this?
NikAS [45]

my brother did that too but I'm sorry i cant help you but I'm gonna say just keep up the good work

3 0
3 years ago
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