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Free_Kalibri [48]
3 years ago
15

I need some guidance on math:(

Mathematics
1 answer:
irga5000 [103]3 years ago
7 0

Answer:

C. -38

Step-by-step explanation:

We know that if the denominator is not given, then it is 1

So,

(-5/1) = (y-7/9)

Now, cross-multiply and set them equal

-45 = y - 7   Add both sides by 7

-38 = y

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Lets put these numbers in order
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u r correct...it is A


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3 years ago
If (6^2]^p = 6^10, what is the value of p? <br> A.) 2 <br> B.) 3<br> C.) 4<br> D.) 5
kvv77 [185]
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2 years ago
A student spends $48 on school supplies at a store where sales tax is 7%. What is the total cost of the supplies?
Advocard [28]

Answer:

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Step-by-step explanation:

5 0
3 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
Find the rate of change that represents the relationship in the table:
crimeas [40]

Answer:

C. 8/1 (simplified is 8)

Step-by-step explanation:

X rate of change= +1

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Y over X

8/1

7 0
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