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vova2212 [387]
3 years ago
14

Write the equation of a line in slope-intercept form that is perpendicular to the given line and passes through the point (9,-32

).
Mathematics
1 answer:
Olin [163]3 years ago
4 0

use y=mx+b as an formula m=y2-y1 over x2-x1 or tey this

Step-by-step explanation:

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The volume of a cylinder is 539 cm cube and the circumference of the base is 22 cm. find the height of the cylinder.
Alexandra [31]

Answer:

13.994cm (5.sf)

Step-by-step explanation:

We know that the base of the cylinder is a circular base.

So circumference of base = 2\pi r

Given 2\pi r=22cm\\\\r=\frac{22}{2\pi } \\r=\frac{11}{\pi } cm\\

Volume of a cylinder = \pi r^{2} h = 539cm^{3}

Substitute r into the formula for volume of cylinder.

\pi (\frac{11}{\pi } )^{2} h=539\\\pi (\frac{121}{\pi ^{2} } )h=539

Now, we will cancel \pi from the numerator and denominator.

(\frac{121}{\pi } )h=539\\h = \frac{539}{\frac{121}{\pi } } \\h = 539 * \frac{\pi }{121} \\h = 13.994cm(5s.f)

4 0
2 years ago
Read 2 more answers
Identify the independent and dependent variables. Then use the information to determine how many gallons of gas are left after t
lesya692 [45]

Answer:

Independent: miles travelled

Dependent: gallons of gas

Gas remaining after 68 miles: 7.2 gallons

Step-by-step explanation:

Looking at the table, it appears that after every 17 miles of driving, 1 gallon of gas is used.

  • 68 miles would be the next 17 miles after driving 51 miles
  • this means another gallon of gas would be used, so 8.2 - 1 = 7.2 gallons left

The <u>dependent variable</u> is the variable that depends on that of another

  • In this case, the dependent variable is the gallons of gas, because in order for the car to drive, it needs gas

The <u>independent variable</u> is the variable that does not depend on that of another

  • In this case, the independent variable is the miles travelled
3 0
3 years ago
Can someone please do<br> 5,6,7, and 8
Lina20 [59]

Answer:

Step-by-step explanation:

General form of circle: (x - h)² +  (y- k)² = r²

r - > radius and h ,k are the coordinates of the center.

5) (x - 5)² +  (y- 1)² = 64 = 8²

radius: 8 ;  Center (5 , 1)

6) (x + 7)² +  (y- 2k)² = 324 = 18²

Center = ( -7 , 2) ;  radius = 18 ;  diameter = 18 *2 = 36

7) (x )² +  (y + 10)² = 42.25 = 6.5²

Center = (0 , - 10);  radius = 6.5 ;  diameter = 6.5*2 = 13

8) (x - 6)² +  (y +  1)² = 80 =  (4√5)²

Center =(6, -1) ; radius = 4√5

5 0
3 years ago
What is the coefficient of 5a^2-7
GaryK [48]
The coefficient is 5
7 0
3 years ago
Read 2 more answers
What property in math does 20-20=0 go on????? This is my sisters homework question....
zimovet [89]
Isn't the "Property of Subtraction,"?
4 0
3 years ago
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