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Lemur [1.5K]
3 years ago
13

What I the slope of a line that is perpendicular to the line 2y-3x=8

Mathematics
1 answer:
Zolol [24]3 years ago
6 0

<u>ANSWER</u>

-  \frac{2}{3}

<u>EXPLANATION</u>

The given given equation is

2y - 3x = 8

We need to rewrite this equation in the slope-intercept form:

y = mx + b

We add 3x to both sides.

2y  - 3x + 3x=8  + 3x

\implies \: 2y  =  3x + 8

We divide through by 2 to get,

y =  \frac{3}{2}x + 4

The slope of this line is

m =  \frac{3}{2}

Let the slope of the line perpendicular to this line be 'n' .

Then the product of the slopes of two perpendicular lines is always negative 1.

m \times n =  - 1

\implies \:  \frac{3}{2} n =  - 1

\implies \:   \frac{2}{3}   \times \frac{3}{2}n =  - 1 \times  \frac{2}{3}

n =  -  \frac{2}{3}

Therefore the slope of the new line is

-  \frac{2}{3}

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What is the solutions of the equation 2 (x+2) ^2-4=28
JulsSmile [24]

Answer:

x = 2            x = -6

Step-by-step explanation:

2 (x+2) ^2-4=28

Add 4 to each side

2 (x+2) ^2-4+4=28+4

2 (x+2) ^2= 32

Divide by 2

2/2 (x+2) ^2=32/2

(x+2)^2 = 16

Take the square root of each side

sqrt((x+2)^2) =±sqrt( 16)

x+2 = ±4

Subtract 2 from each side

x+2-2 = -2±4

x = -2±4

x = -2+4      and x = -2-4

x = 2            x = -6

3 0
3 years ago
Find two consecutive integers whose product is 5 less than the square of the smaller number
S_A_V [24]
<span>
The product of -5 and -4 is 20
The square of the smaller number, -5, is 25.
The product, 20, is indeed 5 less than 25, the square of the smaller number.</span>
3 0
3 years ago
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Arturiano [62]

Answer:

y=1

Step-by-step explanation:

Given function y=m(x)

The question is to find the y value where x equals  -2 so the easiest way is to plus x=-2 in the graph, we can get y=1.

Hopefully this helps, if you have any questions please feel free to ask them in the comment section below, I'll be more than happy to answer!

5 0
3 years ago
At the beginning of the week, you have $42 in your savings account. During the week, you deposit $25 and withdraw $36. How much
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Answer: you have $31 at the end of the week

Step-by-step explanation:

First, let's put this problem into an algebraic expression. We started off with $42. We then added $25 and took out $36 during the week. The expression for this problem is

42

+

25

−

36

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Next, add 42 and 25 together to get

67

. We now have

67

−

36

.

Finally, subtract 36 from 67 to get

31

, our answer.

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6 9 4  7

Step-by-step explanation:

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