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2 years ago

A number x decreased by 6 is at most 11.

Mathematics

1 answer:

MaRussiya [10]2 years ago

5 0

Answer:

17?

Step-by-step explanation:

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The points A(-3, 2) and B(1,4) are vertices of an isosceles triangle ABC, where angle B = 90°

almond37 [142]

Answer:

Length of AB = 4.4721

Equation of line BC: y = -2x + 6

Step-by-step explanation:

To find the length of the line AB, we just need to find the distance between the points A and B.

We can find distance with the equation:

$distance = \sqrt{(x_A - x_B)^2 + (y_A - y_B)^2}$

$distance = \sqrt{(-3 - 1)^2 + (2 - 4)^2}$

$distance = 4.4721$

To find the equation of the line BC, first let's find the slope of the line AB.

This slope is given by:

$m_{AB} = \frac{ y_A - y_B }{ x_A - x_B }$

$m_{AB} = \frac{ 2 - 4 }{ -3 - 1} = \frac{1}{2}$

The line AB is perpendicular to the line BC (because mB = 90°), so the slope of line BC is:

$m_{BC} = -\frac{1}{m_{AB}} = -2$

so the line BC is:

$y = -2x + b$

To find the value of b, we can use the point B (1,4):

$4 = -2 + b$

$b = 6$

So we have:

$y = -2x + 6$

4 0

3 years ago

Scott needs to buy a textbook for his college class. The book costs $221 new. He found a slightly used one online for $201. What

Artyom0805 [142]

Answer:

10 percent

Step-by-step explanation:

8 0

3 years ago

The perimeter of the figure below is 61.1 m. Find the length of the missing side.

katrin [286]

Answer:

I believe it would be 12.9

Step-by-step explanation:

perimeter is all of the outside lengths combined. if you take the 61.1 and subtract the lengths it gives you, the remaining length should be your answer

7 0

3 years ago

Carmen is considering joining one of the two movie clubs. Movie Galore charges a monthly membership fee of $10, plus $0.50 per m

lakkis [162]

25 movies.

So basically you start and end at 1 month so,

Galore Cost =
$10
Galore Per Movie =
0.5 x 25 = 12.5 + 10 = $22,5

Cinephile Cost =
$15
Cinephile Per Movie =
0.25 x 25 = 6.25 + 15 = 21.25

These questions are just trial and error

5 0

3 years ago

Read 2 more answers

Use the formula v = u + at to find the velocity, when

SVETLANKA909090 [29]

Answer:

$v = u + at \\ v = 3 + (1.5 \times 7) \\ v = 3 +10.5 \\ \boxed{v = 13.5 \: m {s}^{ - 1}}$

<h3>13.5 m/s is the right answer.</h3>

8 0

3 years ago

A number x decreased by 6 is at most 11.​

A number x decreased by 6 is at most 11.