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Irina-Kira [14]
3 years ago
12

Name the slope perpendicular to 3/4.

Mathematics
2 answers:
Gnom [1K]3 years ago
8 0

Answer:

The perpendicular slope is -4/3

Step-by-step explanation:

Perpendicular slopes multiply to -1

m * 3/4 = -1

Multiply each side by 4/3

m * 3/4 *4/3 = -1 * 4/3

m = -4/3

The perpendicular slope is -4/3

fenix001 [56]3 years ago
8 0

Answer:

the perpendicular slope is -4/3

Step-by-step explanation:

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30 POINTS! Consider the system of linear equations and the matrix equations below.
fiasKO [112]

Answer:

Option C is correct.

Step-by-step explanation:

-x+3y=2

4x-2y=22

In matrix form is represented as:

\left[\begin{array}{cc}-1&3\\4&-2\end{array}\right] \left[\begin{array}{c}x&y\end{array}\right] =\left[\begin{array}{c}2&22\end{array}\right]

AX=B

X = A^{-1}B

A^{-1} = |A|/Adj A

|A| = (-1)(-2)-(3)(4)

|A| = 2-12

|A| = -10

Adj A = \left[\begin{array}{cc}-2&-3\\-4&-1\end{array}\right]

A^-1 = -1/10\left[\begin{array}{cc}-2&-3\\-4&-1\end{array}\right]

A^-1 = 1/10\left[\begin{array}{cc}2&3\\4&1\end{array}\right]

X= A^-1 B

X = 1/10\left[\begin{array}{cc}2&3\\4&1\end{array}\right]\left[\begin{array}{c}2&22\end{array}\right]

X=1/10X=1/10\left[\begin{array}{c}2*2+3*22\\4*2+1*22\end{array}\right]\\X=1/10\left[\begin{array}{c}4+66\\8+22\end{array}\right]\\X=1/10\left[\begin{array}{c}70\\30\end{array}\right]\\X=\left[\begin{array}{c}70/10\\30/10\end{array}\right]\\X=\left[\begin{array}{c}7\\3\end{array}\right]

So, x = 7 and y =3

Hence Option C is correct.

4 0
3 years ago
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Cost of 1 almirah is=$2345<br>what is the cost of 12 such almirah?​
Dennis_Churaev [7]

Answer:

The answer is- Rs. 28,140

Step-by-step explanation:

The cost of 1 almirah is Rs. 2345

Therefore the cost of 12 such almirahs will be

= 2345 × 12

= Rs. 28,140

<h2>Please mark me as brainliest</h2>
6 0
2 years ago
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Please help! I will mark brainliest!
Mekhanik [1.2K]

C: small surf board is 9.6 ft tall

D: angle m corrosponds with d

3 0
2 years ago
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What is the equation of a line with a slope of 1/2 that passes through the point,(-2,5)?
Digiron [165]

y - 5 =  \frac{1}{2} (x - ( - 2)) \\ y - 5 =  \frac{1}{2} x + 1 \\ y =  \frac{1}{2} x + 6

5 0
3 years ago
Can i get a little help with this?
Margaret [11]

Answer:

c

Step-by-step explanation:

hope this helps

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3 years ago
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