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4 years ago

7 d. Input 1 5.25 7.5 | Output 1.75| 6 | 10 rule:

Mathematics

1 answer:

Jobisdone [24]4 years ago

3 0

Answer:

Im in my step-fathers closet

Step-by-step explanation:

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Which line is perpendicular to a line that has a slope of -1/3?

Sliva [168]

Answer:

Option (c)

Step-by-step explanation:

Slope of a line that passing through two points M(-1, 4) and N(2, -5),

$m_1$ = $\frac{y_2-y_1}{x_2-x_1}$

= $\frac{-1-2}{4+5}$

= -( $\frac{3}{9}$ )

= - $\frac{1}{3}$

To find the line perpendicular line to MN we will use the property,

$m_1\times m_2=-1$

Where $m_1$ and $m_2$ are the slopes of two perpendicular lines.

Slope of line perpendicular to MN $(m_2)$ will be,

$-\frac{1}{3}\times m_2=-1$

$m_2=3$

Slope of line joining two points J(-3, -4) and K(3, -2),

Slope = $\frac{-4+2}{-3-3}=\frac{1}{3}$

Slope of line joining two points A(-3, 2) and B(3, 0)

Slope = $\frac{2-0}{-3-3}=-\frac{1}{3}$

Slope of the line joining points E(0, -3) and F(2, 3),

Slope = $\frac{-3-3}{0-2}$ = 3

Therefore, line EF is perpendicular to the line MN.

Option (c) is the answer.

8 0

3 years ago

mason deposited 80 in a savings account earning 5% interest, compounded monthly. to the nearest cent, how much interest will he

White raven [17]

Principal, P = $80
monthly interest, i = 5%/12 = 0.05/12
Number of periods, n = 3*12 = 36

Interest earned after three years,
I = P((1+i)^n-1)
=80((1+0.05/12)^36-1)
=12.92 (to the nearest cent.

8 0

4 years ago

How can you use geometry figures to solve real world problems

mash [69]

In engineering its got to be used when making buildings and stuff like that. Even when making computers or cars, you got to make parts. Shapes and measurements are huge parts of that. Its also important for model designs. Geometry is used everywhere. Lets say you are trying to figure out the logo sign for a new business you are setting up in town. You are trying to figure out the size, shape, and where to put it on the building. Anything involving creation, such as fashion, technology, engineering, etc., uses geometry as a guide in the process of making something. I don't know if this was the answer you were looking for, but this was my understanding of the question. Hopefully this helps.

5 0

3 years ago

Larry was paid a total of $30 for raking leaves for 8 hours. This rate is constant. What will be the total amount that Larry wil

Tems11 [23]

Answer:

Step-by-step explanation:

one hour makes 3.75

20*3.75 = 75

4 0

3 years ago

Read 2 more answers

Find the point of intersection:<br> 3x=y-2<br> 6x=4-2y

IgorC [24]

Answer: (0, 2)

3x = y - 2
6x = 4 - 2y

3x = y - 2
- y - y
-y + 3x = - 2
- 3x - 3x
-y = - 3x - 2
/-1 /-1
y = 3x + 2

6x = 4 - 2y
+ 2y + 2y
2y + 6x = 4
- 6x - 6x
2y = - 6x + 4
/2 /2
y = -3x + 2

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

3x + 2 = -3x + 2
- 2 - 2
3x = -3x
/3 /3
x = 0

y = 3x + 2
y = 3(0) + 2
y = 2

(x, y) --> (0, 2)

Therefore, the two equations intersect at (0, 2)

Hope this helps!

7 0

3 years ago