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sladkih [1.3K]
3 years ago
14

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

rectangle.
2x + y^2 = 48, x = y
Mathematics
1 answer:
exis [7]3 years ago
6 0

Answer:

Attached please find response.

Step-by-step explanation:

We wish to find the area between the curves 2x+y2=8 and y=x.

Substituting y for x in the equation 2x+y2=8 yields

2y+y2y2+2y−8(y+4)(y−2)=8=0=0

so the line y=x intersects the parabola 2x+y2=8 at the points (−4,−4) and (2,2). Solving the equation 2x+y2=8 for x yields

x=4−12y2

From sketching the graphs of the parabola and the line, we see that the x-values on the parabola are at least those on the line when −4≤y≤2.

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I need help with this one can someone show me step by step
Gelneren [198K]

Answer:

A

Step-by-step explanation:

You are given one angle and one side are similar

 for  Angle-Side-Angle     you obviously need one more angle attached to the given side

A  angle r = ~ angle c

5 0
1 year ago
Adult tickets to a play cost $1.75 each and student tickets cost $1.25 each. Suppose there are twice as many student tickets sol
nikitadnepr [17]

Answer: the number of adult tickets sold is 400

the number of student tickets sold is 200

Step-by-step explanation:

Let x represent the number of adult tickets sold at the play.

Let y represent the number of student tickets sold at the play.

Adult tickets to a play cost $1.75 each and student tickets cost $1.25 each. If the income from the play was $1,700, it means that

1.75x + 1.25y = 1700 - - - - - - - - - -1

Suppose there are twice as many student tickets sold as adult tickets. This means that

y = 2x

Substituting y = 2x into equation 1, it becomes

1.75x + 1.25 × 2x = 1700= 1700

1.75y + 2.5y = 1700

4.25y = 1700

y = 1700/4.25 = 400

x = y/2 = 400/2 = 200

8 0
3 years ago
if the computer screen shows this image as calinda is downloading a file, how big is the file she’s loading ?
just olya [345]

Answer:

the file is 20 kb

Step-by-step explanation:

16kb/80%

xkb/100%

1600=80%

80       80

20KB

4 0
3 years ago
How can you actually divide numbers without subtraction?
Tamiku [17]

#include <stdio.h> #include <stdlib.h>

// Function to perform division (x / y) of two numbers x and y. // without using division operator in the code. int divide(int x, int y)

{ // handle divisibility by 0. if (y == 0)

{ printf("Error!! Divisible by 0"); exit(1);

} // store sign of the result.

int sign = 1; if (x * y < 0)

7 0
3 years ago
The area of a circle is 9π m². What is the circumference, in meters? Express answer in terms of π
ad-work [718]

Answer:

20.25 pi

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi *r

9 pi = 2 * pi *r

Divide each side by 2pi

9pi / 2 pi = 2 pi r / 2 pi

4.5 = r

Now we can find area

A = pi r^2

= pi ( 4.5)^2

20.25 pi

8 0
2 years ago
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