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coldgirl [10]
2 years ago
12

Please help me asap i need help i will give 10 points

Mathematics
2 answers:
OLEGan [10]2 years ago
4 0

Surface area = sum of all area, which is the total of 4 triangles and 1 square.

1 square = 9 x9 = 81

each triangle = (6 x 9)/2 = 27

so 4 triangles = 27 x 4 = 108

=> total = 108+ 81 = 189

saul85 [17]2 years ago
3 0

Answer:

C. 189

Step-by-step explanation:

Each triangle is 27 which makes it 108, and 108+81=189

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Talja [164]

Answer:

point A is x=4 and y=12

point B is x=16 and y=32

6 0
2 years ago
20liters of mixture contain milk nad water in the ratio 5:3 if 4liters of the mixture are replaced by 4 liters of milk find the
Finger [1]

Answer:

the new ratio milk/water is  14:6  or 7:3

Step-by-step explanation:

milk/water=5/3

milk +water=5+3=8

ratio of milk=5/8  and ratio of water=3/8

if 4 liter removed from mixture then: 20=4= 16 liter

the amount of milk in 16 liter=16*5/8=10 liter of milk

the amount of water in 16 liter=16*3/8= 6 liter

add 4 liter of milk to the mixture: 10+4=14 liter of milk and 6 liter of water

the new ratio milk/water is  14:6  or 7:3

5 0
3 years ago
Don't bought a tree ceiling that was 2 1/4 feet tall during the first year it grew 116 feet after two years it was 5 feet tall h
Llana [10]
The answer is 113.75 or 113 3/4
7 0
3 years ago
Find the distance between the points (3, 8) and (0,4).
Bingel [31]

Answer:

5

Step-by-step explanation:

(3,8) (0,4)

X1 = 3    X2 = 0

Y1 = 8    Y2 = 4

D=\sqrt{(X1-X2)^{2}+ (Y1-Y2)^{2}  }

D= \sqrt{(3-0)^{2} + (8-4)^{2} }

Do what's in the parentheses so...

  1. 3-0= 3
  2. 8-4= 4

Now plug it in!

D= \sqrt{(3)^{2}+(4)^{2}  }

Now you are going to finish the parentheses so...

  1. (3)^2= 9
  2. (4)^2= 16

Plug that in so that you have this...

\sqrt{9+16}

Add 9+16 to get...

\sqrt{25}

Then you are going to find the number or numbers that make this a perfect square...

\sqrt{25}= 5

So 5 is your answer

7 0
3 years ago
PLEASE HELP ME WITH THE QUESTION IN THE PICTURE BELOW
Ber [7]
The correct answer is 24-2D...so you’re answer is D. And I’m also a kpop/Enhypen stan
8 0
3 years ago
Read 2 more answers
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