MATHEMATICS HIGH SCHOOL

Two auction websites start with 100 members each. At site A, the number of members doubles each month. At site B, 500 new members are added each month. Between months 5 and 6, which website gains more members and by how much?

Answers

Answer 1

Answer:

Answer:

site A would have 3200 total memebers and site B would have 2600 by month 6. A gained more

Step-by-step explanation:

a: month 5 is 1600 and month 6 is 3200 so the difference is 1600 between 5 and 6

b: month 5 2100 and month 6 is 2600. theres a 500 difference

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Find the perpendicular distance from the point (3, -4) to the line 3x- 4y + 10 =0.

Answers

Answer:

3x - 4y = -10

-4y = -3x - 10

y = (3/4)x + (5/2)

The slope of the perpendicular line will be -4/3.

From (3, -4), go up 4 units, then left 3 units. You will be at (0, 0), so the equation of this line is y = (-4/3)x.

(3/4)x + (5/2) = (-4/3)x

9x + 30 = -16x

25x = -30

x = -6/5, so y = (-4/3)(-6/5) = 24/15 = 8/5

d = √((3 - (-6/5))² + (-4 - (8/5))²)

= √((21/5)² + (-28/5)²)

= (1/5)√(21² + (-28)²)

= (1/5)√(441 + 784)

= (1/5)√1,225

= (1/5)(35)

= 7

For each minute a race car traveled, the pit crew measured the speed of the car in miles per hour.Which type of graph would best display this information?

A.line plot

B.line graph

C.bar graph

D.histogram

Answers

I would represent that with a line graph.

Length of a rectangle is 2.5 cm and it’sarea is 12.5cm2. Ram found that the breadth of the rectangle is 5 cm while Rahim found that the breadth is 10 cm. Who is correct? Justify your answer.

Answers

Step-by-step explanation:

ram is true because when 2.5 is multiplied to .5 centimeters then answered becomes 12.5 centimeters square

4 times the sum of 14 + 26

Answers

that means
4 times (4 times ) the sum (the quantity x+y to be named) of (times ) 14+26 (14+26)
4 times (14+26)
pemdas
paernthasees fors
14+26=40
4 times (40)=160

The area of a triangle definitely is base x height ➗2 what classic mistake has Anne's made

Answers

To find the area of a triangle you do b*h/2. Where is the problem you what to be helped with?

Find the product of (x + 5)(x − 5).x2 − 10x + 25
x2 + 10x + 25
x2 − 25
x2 + 25

Answers

x^2 -25
All I did was divide both and I got the answer.

Answer: x^2 - 25

Explanation:

Here is a tip/ shortcut to multiplying binomials in the (a + b)(a - b) format.

The only things you have to look for is the factor of a * a and the factor of b * b.

The reason being, a * -b and b * a cancel each other out no matter what.

For example

1. (x + 5)(x - 5) Multiply $x_(1)$ by $x_(2)$

x * x = $x^(2)$

2. (x + 5)(x - 5) Multiply $x_(1)$ by -5 in the second binomial

x * -5 = -5x

3. (x + 5)(x - 5) Multiply 5 in the first binomial to $x_(2)$

5 * x = 5x

4. (x + 5)(x - 5) Multiply 5 in the first binomial to -5 in the second binomial

5 * -5 = -25

5. Now that you have all of your answers, write your equation, in order, to look like this.

$x^(2)$ - 5x + 5x - 25

6. -5x and 5x cancel each other out when combining like terms so you're left with.

$x^(2)$ - 25

In the end, steps 2, 3, 5, and 6. can be taken out by doing this.

Just multiply $x_(1)$ by $x_(2)$ to get $x^(2)$

Then just multiply 5 in the first binomial to -5 in the second binomial to get -25

Then write your answer.

$x^(2)$ - 25

This works because there is no need for steps 2,3,5, and 6 since they lead to the same outcome from doing steps 1 and 4.

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Consider the graph of f(x) = 2x 3 – 3x 2 – 14x. On a coordinate plane, a graph increases through (negative 2, 0) to (negative 1, 10), decreases through (0, 0) to (2, negative 24), and then increases through (3.5, 0) through (4, 20). Based on the graph, what is the solution to 2x 3 – 3x 2 ≥ 14x?

Do you mind helping me :)