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Dvinal [7]
2 years ago
11

1. When two lines cross, the opposite angles are ___________ angles and are congruent. *

Mathematics
1 answer:
schepotkina [342]2 years ago
4 0

Answer:

1. vertical angles

2. Adjacent angles

3. Supplementary angles

Step-by-step explanation:

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Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
Rainbow [258]

Answer: A = 58

Step-by-step explanation: The sketched region enclosed by the curves and the approximating rectangle are shown in the attachment.

From the sketches, the area will be integrated with respect to y.

To calculate the integral, first determine the limits, which will be the points where both curves meet.

In respect to y:

2x+y^{2} = 48

2x= 48- y^{2}

x= 24 - \frac{y^{2}}{2}

Finding limits:

y= 24 - \frac{y^{2}}{2}

24 - \frac{y^{2}}{2}-y=0

Multiply by 2 to facilitate calculations:

48 - y^{2}-2y=0

Resolving quadratic equation:

y=\frac{-2+\sqrt{2^{2}+192} }{2}

y = 6 and y = -8

Then, integral to calculate area will be with limits -8<y<6:

A = \int {24-\frac{y^{2}}{2}-y } \, dy

A = 24y - \frac{y^{3}}{6}-\frac{y^{2}}{2}

A = 24.6 - \frac{6^{3}}{6}-\frac{6^{2}}{2}-[24.(-8) - \frac{(-8)^{3}}{6}-\frac{(-8)^{2}}{2}]

A = 58

<u>The area of the enclosed region is 58 square units.</u>

7 0
3 years ago
WILL MARK BRAINLIEST! PLZ HELP ASAP;;;
tatiyna

Answer:

  (x, y) = (5, 7)

Step-by-step explanation:

It can be useful to put these equations into standard form, with mutually-prime coefficients and a positive x-coefficient.

  10x +y -(4x +4y) = 9 . . . . . subtract the variable terms on the right

  6x -3y = 9  . . .  simplify

  2x -y = 3 . . . . . divide by 3 to put in standard form

__

  (x +10y) -(10x +y) = 18 . . . . . subtract the variable terms on the right

  -9x +9y = 18  . . .  simplify

  x -y = -2 . . . . . . . divide by -9 to put in standard form

__

Now, we can subtract the second equation from the first.

  (2x -y) -(x -y) = 3 -(-2)

  x = 5

  y = x+2 = 7 . . . from the second simplified equation

The solution is (x, y) = (5, 7).

6 0
3 years ago
Simplify the expression x^5 • x^7.
avanturin [10]

Answer:

x^12

Step-by-step explanation:

We know that a^b* a^c = a^(b+c)

x^5 * x^7 = x^(5+7) = x^12

6 0
3 years ago
Find the mid-point of the line segment joining the points (10, 13) and (-7, 7)? ​
PIT_PIT [208]

Answer:

(3/2,10)

Step-by-step explanation:

Mid point is ((10-7)/2,(13+7)/2)=(1.5,10)

4 0
3 years ago
The coordinate plane below represents a town. Points A through F are farms in the town.
kondaur [170]
For part a,
y < x
y > -2x
Point B: (3,1) plugin x=3, y=1 y < x 1 < 3
which is true, so point B satisfies the first inequalityYou can graph the inequality y > 2x+5 and see which schools are in the shaded region
4 0
3 years ago
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