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Zinaida [17]
3 years ago
12

1.what is the solution to -84+28=

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
4 0
1. -56
2. say you owe someone 84$, so that's 84$ you don't have, then you give that person 28$. now you only owe them 56$.
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Which number is NOT written in scientific notation? ​
Thepotemich [5.8K]
The last one is not scientific notation because the 25.67 is greater than 10
5 0
3 years ago
8<br> 1 point<br> Find the area. Answer without units.'<br> 7 ft<br> 8 ft.
trapecia [35]

Answer:

A = l*w

A= 7*8

A= 56

56 is the area

6 0
2 years ago
Please help! I will mark brainliest! Random answers will be reported.
pantera1 [17]

Answer:D’ (0, -1)

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
1. Una escalera de 4 m de longitud se apoya sobre una pared vertical. Si la distancia entre la base de la escalera a la pared es
enot [183]

Answer:

puedes resolver de dos maneras si diste teorema de Pitágoras lo aplicas

hipotenusa al cuadrado = cateto 2 +cateto 2 ( el 2 significa al cuadrado)

sustituyes

hipotenusa= 4m

cateto= 2,5

hay que hallar el otro cateto que nos daría la altura a la que está la escalera

despejamos y tenemos

cateto 2= hip2 -cat2

cat2=(4)2-(2,5)2=

       =   16-6,25=9,75

luego hallamos la raíz cuadrada de 9,75= 3,12

     

la altura a la que se encuentra es 3,12m

-si aun no diste Pitágoras podes representarlo en una hoja utilizando cm en lugar de metros( a escala). trazas el triángulo rectángulo la base te la da la distancia a la cual se encuentra la escalera de la pared es decir 2,5cm trazas la hipotenusa de 4cm de manera que coincida con el cateto opuesto , y mides el valor de este ,será de 3,12cm no olvides que la respuesta la debes dar en metros ya que es la unidad de medida que te da.

4 0
2 years ago
Simplify the following root to the nearest whole number
boyakko [2]

Answer:

use a calculator

Step-by-step explanation:

because it's the smarter way

5 0
3 years ago
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