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3 years ago

What does this equation equal??? (-2)(3)

Mathematics

1 answer:

Nata [24]3 years ago

4 0

The answer is -6 because when u put them together and do the equation and get -6

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Does anyone know the answer to this!?

PolarNik [594]

Answer:

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

$x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},$

where

$|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

So,

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

4 0

3 years ago

Katherine has at least 2 hours of homework every night. If "h" is the number

marishachu [46]

Answer:

$h \geq 2$

Step-by-step explanation:

h has to be 2 or more since there is at least 2 hours.

6 0

3 years ago

WILL GIVE BRAINIEST 2.find the values of x and y a. x=15 y=12 b.x=14 y=11 c.x=14 y=12 d.x=15 y=11

liubo4ka [24]

3x - 7 = 2x + 7

3x - 2x = 7 + 7

x = 14

2x + 7 + 12y + 1 = 180

2(14) + 7 + 12y + 1 = 180

12y + 36 = 180

12y = 144

y = 12

Answer

x = 14 and y = 12

4 0

3 years ago

Help! how do you do q2?

sineoko [7]

Negative is infinite
positive is dependent on whether or not a can = b etc.

4 0

3 years ago

An architect designs a rectangular flower garden such that the width is exactly two-thirds of the length. If 210 feet of antiqu

ra1l [238]

P=Perimeter

W=Width

L=Length

Assuming the 210 feet is the perimeter

P = 210 feet

P = 2W + 2L

W = 2/3 L . . . so sub W with 2/3 L in the equation

P = 2(2/3 L)+ 2(L) = 210 feet

4/3 L + 2L = 210 feet

10/3 L = 210 feet

Multiply both sides by 3/10 to solve for L

L = (210)(3/10) = 63 feet

W = 2/3 L so W = 2/3 x 63 = 42 feet

Garden is 42 feet wide by 63 feet long

7 0

4 years ago