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2 years ago

GIVING 50 POINTS TO WHOEVER ANSWERS CORRECTLY!!!!!!

Mathematics

2 answers:

mars1129 [50]2 years ago

7 0

Answer:

(2,-2) --> (-1, 3)

(8,-2) --> (5, 3)

(8,-5) --> (5, 0)

(2,-5) --> (-1, 0)

Ostrovityanka [42]2 years ago

3 0

2,2 which is A nothing else not B or C to begin with

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I am confused help me it’s due Friday

adelina 88 [10]

Answer:7

Step-by-step explanation:

Hope this helps

3 0

2 years ago

Solve the system of equations by graphing on your own paper. What is the x-coordinate of the solution?

Dovator [93]

Y = x + 7
<span>y = -2x - 11

x + 7 = -2x - 11
3x + 7 = -11
3x = -18
x = -6

The x-coordinate of the solution is -6.

I have attached a graph of the two equations since the question really wanted you to graph it and then find the answer.</span>

7 0

3 years ago

Fins the value of (15)^3 + (-9)^3 + (-6)^3 , without actually cubing the numbers

Hatshy [7]

a³ + b³ + c³ + 3abc = ( a + b + c)(a² + b² + c² + ab + bc + ca)

if a + b + c = 0. then a³ + b³ + c³ = 3abc

here a + b + c = 15 + (-9) + (-6)

a + b + c = 15 - 15

a + b + c = 0

so a³ + b³ + c³ = 3abc

15³ + (-9)³ + (-6)³ = 3(15)(-9)(-6)

= 2430

so the answer is 2430

8 0

3 years ago

Appended below is the code for Selection Sort. You really do not have to understand the details of the code. If this algorithm t

kramer

Answer:

12 seconds.

Step-by-step explanation:

Let t represent time taken by code to sort an array of 24 elements.

We have been given that an algorithm takes 4 seconds to sort an array of 8 elements. We are asked to find the time it will take for same code to sort an array of 24 elements.

We will use proportions to solve our given problem.

$\frac{\text{Time}}{\text{Array of elements}}=\frac{4}{8}$

$\frac{t}{24}=\frac{4}{8}$

$\frac{t}{24}\cdot 24=\frac{4}{8}\cdot 24$

$t=\frac{4}{1}\cdot 3$

$t=12$

Therefore, it will take 12 seconds for the same code to sort an array of 24 elements.

8 0

2 years ago

How long in inches is the other leg?

umka2103 [35]

Answer:

The answer to your question is leg 2 = 0.9 in

Step-by-step explanation:

Data

Leg 1 = 4 in

hypotenuse = 4.1 in

Leg 2 = ?

Process

To solve this problem use the Pythagorean theorem, solve for leg 2 and simplify to get the result.

Pythagorean theorem

c² = a² + b²

or hypotenuse² = leg 1² + leg 2²

-Solve for leg 2²

leg 2² = hypotenuse² - leg 1²

-Substitution

leg 2² = 4.1² - 4²

-Simplification

leg 2² = 16.81 - 16

leg 2² = 0.81

leg 2 = 0.9 in

4 0

3 years ago