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lbvjy [14]
3 years ago
12

What is the area of triangle DEF?

Mathematics
2 answers:
wel3 years ago
6 0

Answer:

I think it is 588 cm squared

Step-by-step explanation:

42 x 28 = 1,176

1,176/2 = 588

serg [7]3 years ago
6 0

Answer:

<h2>588 square centimeters</h2>

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Factor the polynomial 25x^2−20xy+180y^2
sp2606 [1]

Answer:

25 x 2 − 20 x y + 180 y 2

 



Step-by-step explanation:

Factor 5 5 out of 25 x 2 25x2.

5 ( 5 x 2 ) − 20 x y + 180 y 2 5(5x2)-20xy+180y2

Factor 5 5 out of − 20 x y -20xy.

5 ( 5 x 2 ) + 5 ( − 4 x y ) + 180 y 2 5(5x2)+5(-4xy)+180y2

Factor 5 5 out of 180 y 2 180y2. 5 ( 5 x 2 ) + 5 ( − 4 x y ) + 5 ( 36 y 2 ) 5(5x2)+5(-4xy)+5(36y2)

Factor 5 5 out of 5 ( 5 x 2 ) + 5 ( − 4 x y ) 5(5x2)+5(-4xy). 5 ( 5 x 2 − 4 x y ) + 5 ( 36 y 2 ) 5(5x2-4xy)+5(36y2)

Factor 5 5 out of 5 ( 5 x 2 − 4 x y ) + 5 ( 36 y 2 ) 5(5x2-4xy)+5(36y2). 5 ( 5 x 2 − 4 x y + 36 y 2 )

4 0
3 years ago
Un escalador sube 225m de altura. El asenso lo hizo en 3 etapas. En la primera subio un quinto en la, en la tercera un cuarto. ¿
kiruha [24]

Answer:

Segunda etapa= 123.75 metros

Step-by-step explanation:

Altura total= 225 metros

<u>En la primera estapa subió el 20% (un quinto):</u>

Primera etapa= 225*0.2= 45 metros

<u>En la tercera etapa subió 25% (un cuarto):</u>

Tercera etapa= 225*0.250 56.25 metros

Ahora debemos determinar cuánto subió en la segunda etapa:

Segunda etapa= altura total - total subido

Segunda etapa= 225 - (45 + 56.25)

Segunda etapa= 123.75 metros

6 0
3 years ago
Jen picked 3/4 gallon of strawberries in half and hour.If she keeps picking strawberries at the same rate, how many gallons will
natulia [17]
I believe the answer would be, "3 gallons". 
4 0
3 years ago
Whe might you read 0.203 as 2 tenths 3 thousandths
MAVERICK [17]
Well, sometimes it is needed in word form. If someone asks you how much money you need in debt, you might say 1 tenth 4 hundredths. That is why you might need to read 0.203 as 2 tenths 3 thousandths.
6 0
4 years ago
1. 12(x−4)= <br><br><br><br>2. −8(y+12)=<br><br><br><br>3. −(x−11)=
Natali5045456 [20]

Answer:

12x-48

-8y-96

-x+11

Step-by-step explanation:

8 0
4 years ago
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