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Elanso [62]
3 years ago
15

How many factors does the algebraic expression 9xy have

Mathematics
2 answers:
lutik1710 [3]3 years ago
5 0
It has 8 factors: 1, 9, x, y, 9x, 9y, xy, 9xy
Margaret [11]3 years ago
5 0
9xy = 1 * 9xy

9xy = 3 * 3xy

9xy = x * 9y

9xy = y * 9x

9xy = 3x * 3y

From the five pairs, it has 10 factors.
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What is the product?
ZanzabumX [31]

Answer:

The product is:

\left[\begin{array}{cc}15 & 14\\-1 & 9\end{array}\right]

Step-by-step explanation:

For this problem you need to multiply the first row only for the two first column of the others matrix and get the desired result:

\left[\begin{array}{ccc}1&3&1\\-2&1&0\end{array}\right] \times \left[\begin{array}{cc}2&-2\\3&5\\4&1\end{array}\right]

1 \times 2 + 3 \times 3 + 1 \times -2 = 15

So the value of the element in the position a_{11} is 15

1 \times -2 + 3 \times 5 + 1 \times 1 = 14

So the value of the element in the position a_{12} is 14

Then with these two values you can determinate the result matrix.

\left[\begin{array}{cc}15 & 14\\-1 & 9\end{array}\right]

3 0
2 years ago
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SashulF [63]

Answer:

Whats F five is that a point or something???

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Z=5x - 11 y<br> can someone please hell
Airida [17]

Answer:

\frac{z+11y}{5}

Step-by-step explanation:

z=5x-11y

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<h2>\frac{z+11y}{5}</h2>
8 0
3 years ago
in a fundraising committee of 90 people the ratio of men to women is 7:2. find the number of women required to join the existing
LuckyWell [14K]

Hello,

Step-by-step explanation:

90 = 9 x 10 = (7 + 2) x 10 = 70 + 20

70 men and 20 women

\frac{70}{5}  = \frac{20 + X}{4}

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7 0
3 years ago
Find the values of the variable
Leno4ka [110]

Answer:

Step-by-step explanation:

a = 180 - 100

= 80 degrees

b = 180 - 80

= 100 degrees

c = 180 - 135

= 45 degrees

8 0
2 years ago
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