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marshall27 [118]
2 years ago
10

Pls answer it urgent pls I couldn't find answers for this anywhere Pls give answer with formulas and steps 4/9 ÷ -5/7

Mathematics
1 answer:
lisabon 2012 [21]2 years ago
7 0

Answer:

-28/45

Step-by-step explanation:

Here, we want to find the result of a division

What we have to do here is to flip the fraction on the right hand side , then change the sign from division to multiplication

We have this as;

4/9 * -7/5

= -28/45

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find the component equation of the plane which is normal to the vector -2i+5j+k and which contains the point (-10;7;5).​
maksim [4K]

Given:

A plane is normal to the vector = -2i+5j+k

It contains the point (-10,7,5).​

To find:

The component equation of the plane.

Solution:

The equation of plane is

a(x-x_0)+b(y-y_0)+c(z-z_0)=0

Where, (x_0,y_0,z_0) is the point on the plane and \left< a,b,c\right> is normal vector.

Normal vector is -2i+5j+k and plane passes through (-10,7,5). So, the equation of the plane is

-2(x-(-10))+5(y-7)+1(z-5)=0

-2(x+10)+5y-35+z-5=0

-2x-20+5y-35+z-5=0

-2x+5y+z-60=0

-2x+5y+z=60

Therefore, the equation of the plane is -2x+5y+z=60.

4 0
2 years ago
Write the equation of the line that passes through the points (−7,5) and (-7,-8).
Viefleur [7K]

Answer:

x = -7

Step-by-step explanation:

First we find the slope using

m = ( y2-y1)/(x2-x1)

   = ( -8 - 5)/( -7 - -7)

   = (-8-5)/(-7+7)

   = -13/0

This means the slope is undefined and the line is vertical

Vertical lines are in the form

x= constant and the constant is the x value of the points

x = -7

3 0
2 years ago
A line segment has endpoints (4 7) and (1 11). what is the length of the segment
Colt1911 [192]
You need to add the number of blocks or lines are betweenhem.
7 0
3 years ago
Line K passes through the points (6,3) and (-2,-4) what is the slope perpendicular to K
Afina-wow [57]

-8/7

6- -2= 8

3- -4=7

rise over run the slope of K is 7/8

perpendicular is the negative inverse of the slope so it ends up as -8/7

6 0
3 years ago
Bro can someone help me plz
juin [17]

Answer:24 miles/50$

Step-by-step explanation:

thats what i got

5 0
2 years ago
Read 2 more answers
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