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Reptile [31]
3 years ago
7

Can somebody help? Please

Mathematics
2 answers:
tatiyna3 years ago
6 0
90-73=17
answer:17 hahahaaha
VLD [36.1K]3 years ago
3 0

Answer: i  would like to help but i got that one wrong and it didnt tell me the answer

Step-by-step explanation:

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While attempting to solve the equation , Hazel made an error. Her work is shown to the right. Explain the mistake, and provide t
balu736 [363]

Answer:

Step-by-step explanation:

X=-11 because,

Step 1: Simplify both sides of the equation.

x

2

+

4

x

=

77

Step 2: Subtract 77 from both sides.

x

2

+

4

x

−

77

=

77

−

77

x

2

+

4

x

−

77

=

0

Step 3: Factor left side of equation.

(

x

−

7

)

(

x

+

11

)

=

3 0
3 years ago
Someone help me please I don't know how to do this ! :(
Ivanshal [37]
4^{x+1}=21\\
x+1=\log_421\\
x=\log_421-1\\
x=\log_421-\log_44\\
x=\log_4\dfrac{21}{4}\\
x=\dfrac{\ln \dfrac{21}{4}}{\ln 4}\approx 1.1962
5 0
3 years ago
I wanna know what’s the answer for 3.2 = ?
galben [10]

Answer:

3.2 in fraction form is 3 1/5

if the . is a multiplication sign then it is 6

7 0
3 years ago
en un colegio mixto hay x estudiantes distribuidos en c cursos. Si hay m niños por curso, ¿Cuantas niñas hay en el colegio?
Tomtit [17]

La ecuación que nos dice cuantas niñas hay en el colegio es:

A = x - c*m

¿Como encontrar una expresión para la cantidad de niñas?

Sabemos que hay un total de x estudiantes, definimos las variables:

  • A = cantidad total de niñas
  • B = cantidad total de niños.

Entonces tenemos A + B = x

Tambien sabemos que los estudiantes estan divididos en c cursos, de tal forma que hay m niños por curso.

Entonces c por m es igual a la cantidad total de niños:

c*m = B

Reemplazando esto en la ecuación de arriba podemos obtener:

A + c*m = x

A = x - c*m

Esta es la ecuación que nos da el numero total de niñas en el colegio.

Sí quieres aprender más sobre ecuaciones, puedes leer:

brainly.com/question/18168483

4 0
2 years ago
Plsssssss help i need an answer look in the pic below
worty [1.4K]
Behshuahsbahahbabshsha
3 0
3 years ago
Read 2 more answers
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