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lara31 [8.8K]
3 years ago
15

Help me with my homework pls :)

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0

Answer:

That smile tho lol

anywayssssss

b= 16 mm

Step-by-step explanation:

Pythagorean theorem is a^2 + b^2= c^2, so-

12^2 +b^2= 20^2

144+b^2=400

b^2=400-144

b^2= 256

b= 16

polet [3.4K]3 years ago
8 0

Answer:

16 mm

Step-by-step explanation:

A²+B²=C²

12²+x²=20²

144+x²=400

x²=400-144

x²=256

√x = √256

x = 16

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Answer:

length =  4 width = 4 height = 10

Step-by-step explanation:

8x4x5 = 160

4x4x10 = 160

5 0
3 years ago
How do you convert this mixed fraction 8 21/40 into a decimal
Reika [66]
First u must make this mixed fraction to a fraction by multiplying 8 with 40 which equals to 320 then u add 320 with 21 which equals to 341:
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HOPE THIS HELPS AND IS NOT CONFUSING!!!!!! IF IT IS THEN COMMENT BELOW AND I WILL EXPLAIN EASIER.
5 0
4 years ago
Box is 24 square feet, width is 2/3 of length
RideAnS [48]
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l = 24*3 / 2
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7 0
3 years ago
What is the solution to the system of equations?<br><br> 2x+y=11 <br> 1/2x-5y=8
castortr0y [4]
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7 0
3 years ago
Read 2 more answers
2. Dentre as formas de representar um número decimal, a mais comum é a que utiliza vírgula. Valor como 0,25 está presente nos co
sleet_krkn [62]

Answer:

B: 0.25 = 1/4

Step-by-step explanation:

Queremos encontrar otra representación del número 0.25

Notar que hay dos decimales luego de la coma, por lo que podemos multiplicar este número y dividir por 100.

0.25 = 0.25*1 = 0.25*(100/100) = (0.25*100)/(100) = 25/100

Ahora tenemos el número escrito como una fracción, la cual debemos simplificar.

25/100

Podemos ver que tanto el numerador como el denominador son multiplos de 5, por lo que podemos dividir ambos por 5:

25/100 = (25/5)/(100/5) = 5/20

Nuevamente, ambos son multiplos de 5, por lo que podemos dividir ambos por 5.

5/20 = (5/5)/(20/5) = 1/4

así tenemos:

0.25 = 25/100 = 5/20 = 1/4

0.25 = 1/4

La opción correcta es B.

4 0
3 years ago
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