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xeze [42]
3 years ago
14

Silvio wants to find the perimeter of quadrilateral ABCD. He begins by computing the length of side AB using the distance formul

a. Finish Silvio’s work to find the length of side AB.
Mathematics
1 answer:
saveliy_v [14]3 years ago
3 0

Answer:

20

Step-by-step explanation:

AB = √(-4)² + (-3)²

AB = √ 16 + 9

AB = √ 25

AB = 5

AD = 4 ; DC = 4 ; BC = 7

Perimeter = 5 + 4 + 4 + 7 = 20 units

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Find the coordinates of the points of intersection of the graph of y=13−x with the axes and compute the area of the right triang
Ymorist [56]

the coordinates of the points of intersection of the graph of y=13−x with the axes

Given equation is y=13-x

x axis is x=0

y axis is y=0

Plug in the value of x =0 and find out y

y = 13 - x

y = 13 - 0 = 13

Plug in the value of y=0 and find out x

0 = 13 - x

x= 13

So coordinate axis

x= (13,0)

y= (0,13)

Base of the triangle is x=13

Height of the triangle is y= 13

Area of the triangle = \frac{1}{2} * base * height

= \frac{1}{2} * 13 * 13 = 84.5

Area of the triangle = 84.5


6 0
3 years ago
Please hwelp please​
Fantom [35]

Answer:

2⁸ > 2.38 × 10² > 6³ > 2.16 × 10¹ > \sqrt{300}, 300%

Step-by-step explanation:

Given numbers are,

2.38 × 10², √300, 2⁸, 300%, 6³, 2.16 × 10¹

We have to arrange these numbers in the decreasing order(from greatest to least)

2.38 × 10² = 2.38 × 100 = 238

√300 = 10√3 ≈ 17.32

2⁸ = 256

300% = \frac{300}{100} = 3

6³ = 216

2.16 × 10¹ = 21.6

Therefore, decreasing order (from the greatest to least) will be,

256 > 238 > 216 > 21.6 > 17.32 > 3

2⁸ > 2.38 × 10² > 6³ > 2.16 × 10¹ > \sqrt{300}, 300%

5 0
3 years ago
What equals 39% of 120
frosja888 [35]

Answer:

46.8

Step-by-step explanation:

The equation is: 0.39 times 120=x

0.39 x 120= 46.8

29% of 120 is 46.8

4 0
3 years ago
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X/-4=-1.11 what is x
emmasim [6.3K]

Answer:

4.44 is your answer

Step-by-step explanation:

Isolate the x. Multiply -4 to both sides

(x/-4)(-4) = (-1.11)(-4)

x = (-1.11)(-4)

Multiply

x = 4.44

4.44 is your answer

~

8 0
3 years ago
Read 2 more answers
HELP HELP HELP!!!!<br> find the equation of the line.<br> use exact numbers.
podryga [215]

Answer:

y = -2x+5

Step-by-step explanation:

5 is where the y intercept is

-2x is how many points it goes down each time it goes a point to the right so -2/1 also known as the slope  

so y = -2x+5

3 0
3 years ago
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