MATHEMATICS HIGH SCHOOL

Find the final sale price rounded to the nearest cent of a $239 television with a 10% discount.

Answers

Answer 1

Answer:

Answer:

215

Step-by-step explanation:

239 x .10 = 23.9

239 - 23.9 = 215.1

then to round it would be 215!

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With Ad = vt + at, solve for Ad given that v; =5.4, a = -9.8, and 1 = 3 d. 74

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Hello, I've uploaded the photo with the answer to your question here: https://t.ly/iTbeU

Find the circumference and area of each circle. PLEASE HELP!

Answers

Answer:

There are so many!

For circumference use = 2 pi r

For area use = pi r²

I have told only formula, else you may lack practice. try to solve yourself

Two factors of –48 have a difference of 19. The factor with a greater absolute value is positive.What is the sum of the factors?

–19
–13
13
16

Answers

The two factors of -48 that have a difference of 19 are 16 and -3.

$16 * -3 = -48\n\n16 - (-3) = 16 + 3= 19$

The sum of the factors are

$16 + (-3) = 16 - 3 = \boxed{\bf{13}}$

The answer is: C. 13

Hope this helped! If you have any other questions or would like further explanation just let me know! :)

Answer:

the nswer on ed is 13

Step-by-step explanation:

A bag contains 8 blue marbles 5 red marbles and 2 orange marbles , Carolina picks a marble from the bag at random and returns it to the bag and makes a second random selection . What is the probability that two blue marbles were selected

Answers

Initial total number of marbles: 8 + 5 + 2 = 15
Initial number of blue marbles: 8

First pick:
p(blue marble) = 8/15

Since the marble from the first pick is returned to the bag, the bag still contains 8 blue marbles and a total of 15 marbles.

Second pick:
p(blue marble) = 8/15

Overall:
p(blue marble followed by blue marble) =
= p(blue marble) * p(blue marble)
= 8/15 * 8/15
= 64/225

Indicate the relationship between the line: 2x - 5y = 10 , and the line: 10x + 4y = 20Which of the 3 is correct

Parallel
Perpendicular
They intersect at an angle other than 90 degrees

Answers

Answer:

Perpendicular

Step-by-step explanation:

Here, we want to know the relationship between the two lines .

The easiest way to go about this is to get their slopes;

Mathematically, the equation of a straight line can be expressed in the form;

y = mx + c

where m is the slope;

Hence;

2x -5y = 10

Isolating the y part

5y = 2x -10

divide through by 5

y = 2/5x - 2

So the slope here is 2/5

for the second line

10x + 4y = 20

Divide by 2 all through

5x + 2y = 10

Isolate y

2y = 10-5x

Divide by 2 again

y = 5 -5/2x

The slope here is -5/2

What do we notice? we can see that if we multiply the two slopes by each other, we get -1

That is;

2/5 * -5/2 = -1

What this means is that both lines are perpendicular.

This is because the slopes of perpendicular lines, when multiplied by each other = -1

Final answer:

The two given lines, 2x - 5y = 10 and 10x + 4y = 20, intersect at an angle other than 90 degrees. We determined this by finding the slope of each line and seeing that they are neither equal (for parallel lines) nor negative reciprocals (for perpendicular lines).

Explanation:

To determine the relationship between the lines 2x - 5y = 10 and 10x + 4y = 20, we need to analyze their slopes. Both equations can be rewritten in slope-intercept form (y = mx + b) to determine their slopes. The first equation becomes y = (2/5)x - 2, and the second equation becomes y = (-10/4)x + 5.

The slopes of the two lines are m1 = 2/5 and m2 = -10/4. Since the slopes are different, the lines are not parallel. To determine if they are perpendicular, we need to check if their slopes are negative reciprocals.

The product of the slopes is (2/5)(-10/4) = -4/5. Since the product is not -1, the lines are not perpendicular. Therefore, the correct relationship is that the lines intersect at an angle other than 90 degrees.

Learn more about Relationship between two lines here:

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A rectangle has an area of 100 cm². The base of the rectangle is 25 cm.What is the height of the rectangle?

4 cm

10 cm

76 cm

2400 cm

Answers

$\displaystyle\n \bold{A = b * h} \n \n A = 100~cm^2 \n b = 2~ccm\n h = ?\n\n h = (A)/(b) =(100~cm^2)/(25~cm) = \boxed{4~cm}$

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