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vovikov84 [41]
4 years ago
11

FAST PLEASE 50 POINTS :D

Mathematics
2 answers:
Ivenika [448]4 years ago
8 0

Answer:

20 units ^2

Step-by-step explanation:

The vertices are ( -8,-2) (-3,-2) (-3,-6) (-8,-6)

The sides are parallel

The lengths are *2- to -6  = 4 units

and  -8 to -3 = 5 units

4*5 = 20 units ^2

Naddika [18.5K]4 years ago
3 0

Answer:

Area = 20 units²

Step-by-step explanation:

<em>Let A(-8,-2), B(-3,-2), C(-3,-6) and D(-8,-6) so that the rectangle becomes ABCD.</em>

=> <u><em>Since it's a rectangle it will have two opposite sides equal.</em></u>

<em>So, let's find the length of any two sides (as length and width) by Distance Formula.</em>

Distance Formula = \sqrt{(x2-x1)^2+(y2-y1)^2}

<u><em>Side AB:</em></u>

|AB| = \sqrt{(-3+8)^2+(-2+2)^2}

|AB| = \sqrt{5^2}

|AB| = 5

<u><em>Side BC:</em></u>

|BC| = \sqrt{(-3+3)^2+(-6+2)^2}

|BC| = \sqrt{16}

|BC| = 4

<u><em>Now, Area:</em></u>

Area of the rectangle = Length * Width

Area = 4 * 5

Area = 20 units²

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F(x)=x^2 linear or exponential
marusya05 [52]

Answer:

exponential

Step-by-step explanation:

3 0
3 years ago
In right triangle ABC, if angle A is 90 degrees, angle C is 34 degrees, and AC is 71.4, find BC.
AURORKA [14]

We are given that

In right triangle ABC, if angle A is 90 degrees, angle C is 34 degrees, and AC is 71.4, find BC.

Solution

We will first draw a diagram to illustrate the information

Above we want to find x

The method to use is SOHCAH

From the right angle triangle above we have above, we have the adjacent side and we want to find the hypotenus, so we use cosine

i.e

\cos 34=\frac{71.4}{x}

We need to solve for x here

\begin{gathered} x=\frac{71.4}{\cos 34} \\ x=86.12396152 \\ x=86.1\text{ (to the nearest tenth)} \end{gathered}

Thus, |BC| = 86.1 (to the nearest tenth

8 0
1 year ago
Determine the domain of the function. f as a function of x is equal to thirteen divided by three minus x.
Hitman42 [59]

Answer:

hello :

f(x) = 13/ (x-3)

f(x) exist : x - 3 ≠ 0

x - 3 = 0      : x = 3

the domain of the function : f  is   D  = ]-∞:3[ U] 3;+∞[




6 0
3 years ago
What decimal is in between 0.4 and 0.5
aalyn [17]
.45 is between 0.4 and 0.5
7 0
3 years ago
Read 2 more answers
The following three shapes are based only on squares, semicircles, and quarter circles. Find the perimeter and the area of each
MakcuM [25]
The perimeter = 4 * length of a semicircle of radius 5 == 4*  pi * 5 =  20 pi cm



The area of one of the clear parts = 1/2 area of square - area semicircle

= 1/2 * 10^2  -  1/2 pi *5^2 = 50 - 12.5pi 

So area of shaded parts =  area of square -  4 (50 - 12.5pi)
 = 100 - 200 + 100pi = (100pi - 100) cm^2 
6 0
4 years ago
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