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3 years ago

Which ordered pairs in the form (x,y) are solutions to the equation

Mathematics

2 answers:

Slav-nsk [51]3 years ago

8 0

The answer is, (-1,-6), (11,3), and (7,0)

vichka [17]3 years ago

5 0

Answer:

(-1,-6) (11,3) (7,0)

Step-by-step explanation:

3(-1)-4(-6)= 21

3(11)-4(3)= 21

3(7)-4(0)= 21

3(-3)-4(3)= -21

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enter your answer and show all the steps that you use to solve this problem in the space provided. if x+3/3 = y+2/2, then x/3 =

tatuchka [14]

Answer: y/2

Step-by-step explanation:

Since the x would equal to 3’s and the y equals to 2’s then it would basically be simplified to y/2

3 0

4 years ago

The sum of the radius of the base and the height of a solid cylinder is 37m. If the total surface area of the cylinder is 1628 m

MA_775_DIABLO [31]

Answer:

4618.14 $m^{3}$ or 4618 $m^{3}$

Step-by-step explanation:

From T.S.A = 2 $\pi$ rh + 2 $\pi$ $r^{2}$

where T.S.A = 1628 $m^{2}$

1628 = 2 $\pi$ rh + 2 $\pi$ $r^{2}$

1628 = ( rh + $r^{2}$ ) 2 $\pi$

by dividing both side by 2 $\pi$

$\frac{1628}{2\pi }$ = rh + $r^{2}$

259.10 = rh + $r^{2}$

rh = 259.10 - $r^{2}$

h = $\frac{259.10 - r^{2} }{r}$ (1)

From Radius + Height = 37

r + h = 37 (2)

by substituting eqn 1 into 2

r + $\frac{259.10 - r^{2} }{r}$ = 37

by multiplying r to both side

$r^{2}$ + 259.10 - $r^{2}$ = 37r

259.10 = 37r

r = $\frac{259.10}{37}$

r = 7.00 ≅ 7

From Eqn 2

r + h = 37

7 + h = 37

h = 37 - 7

h = 30

so Volume of a cylinder = $\pi r^{2} h$

V = $\pi$ * $7^{2}$ * 30

V = 4618.14 $m^{3}$ ≅ 4618 $m^{3}$

4 0

4 years ago

Read 2 more answers

Through (2,-2) parallel to y= -1/2x+5

Rzqust [24]

The equation of line passing through (2, -2) and parallel to $y = \frac{-1}{2}x+5$ is $y = \frac{-x}{2}-1$

Solution:

We have to find the equation of line passing through (2, -2) and parallel to $y = \frac{-1}{2}x+5$

The equation of line in slope intercept form is given as:

y = mx + c ------- eqn 1

Where "m" is the slope of line and "c" is the y-intercept

On comparing the given equation of line $y = \frac{-1}{2}x+5$ with eqn 1,

$m = \frac{-1}{2}$

We know that slope of a line and slope of line parallel to it is always equal

Therefore, slope of line parallel to given line is also $m = \frac{-1}{2}$

Substitute (x, y) = (2, -2) and $m = \frac{-1}{2}$ in eqn 1

$-2=\frac{-1}{2}(2)+c\\\\-2 = -1+c\\\\c = -2+1\\\\c = -1$

Substitute c = -1 and $m = \frac{-1}{2}$ in eqn 1

$y = \frac{-1}{2}x -1\\\\y = \frac{-x}{2}-1$

Thus equation of line parallel to given line is found

8 0

3 years ago

PLEASE ANSWER THESE 3 QUESTIONS !! After the game the coach bought 9 chicken meals for $5 each and 15 burger meals for $6 each.

sveticcg [70]

Total cash = $135
$45/$135 = .33333333
Percent = 33.33%
aka option A

8 0

4 years ago

Read 2 more answers

Help me out please asap! Giving brainliest!!!

hammer [34]

Answer: the answer is -32

Step-by-step explanation: multiply -2 by itself 5 separate times.

3 0

3 years ago

Read 2 more answers