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2 years ago

Whats the are and perimeter for this pls help

Mathematics

1 answer:

Oliga [24]2 years ago

5 0

Answer:

the area is 64 the perimeter is 30

Step-by-step explanation:

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I need help plish k squared minus 11

timama [110]

Answer: It's an algebraic expression

Step-by-step explanation: k²- 11 is an algebraic expression.

If you found my answer helpful please choose my answer as Brainliest. I would appreciate it! Good luck everyone! :)

8 0

1 year ago

What is the equation of the line that passes through the point (-1, -3) and has a slope of -5?

spin [16.1K]

Answer:

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - point on a line

We have the slope m = -5, and the point (-1, -3). Substitute:

$y-(-3)=-5(x-(-1))\\\\y+3=-5(x+1)$

Convert to the slope-intercept form (y = mx + b):

$y+3=-5(x+1)$ <em>use the distributive property</em>

$y+3=-5x-5$ <em>subtract 3 from both sides</em>

$y=-5x-8$

7 0

3 years ago

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the

S_A_V [24]

Answer:

8^2 = b^2 + 4^2

Step-by-step explanation:

5 0

1 year ago

Charlie runs at a speed of 3 yd./s about how many miles per hour does Charlie run

vagabundo [1.1K]

1 hour = 3600 seconds

3 × 3600 = 10800

<span>10800 yards per hour
</span>
1 mile = 1760 yards

10800 ÷ 1760 = 6.13

6.13 miles per hour

4 0

2 years ago

Factor the polynomial completely

aliina [53]

We have $2x^2-8$ .

First let us factor the 2 to obtain,

$2(x^2-4)$

We can now see clearly that the expression inside the parentheses is a difference of two squares.

We now write the 4 as 2². So that we obtain the expression,

$2(x^2-2^2)$

Recall that

$a^2-b^2=(a+b)(a-b)$

Hence our expression becomes,

$2(x+2)(x-2)$

Therefore, when factored completely,

$2x^2-8=2(x+2)(x-2)$

5 0

3 years ago