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cupoosta [38]
1 year ago
14

Find the sum 70.6+74.02+121.985=​

Mathematics
1 answer:
vova2212 [387]1 year ago
7 0

266.605 is the answer.

Step-by-step explanation:

70.6 + 74.02 + 121.985 = 266.605

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If you take a number, times by 8 then add 6. You get the same as if you took the number multiply it by 3 then subtract 7. What i
Gennadij [26K]

Answer:

x = -13/5

Step-by-step explanation:

let x be the number

8x + 6 = 3x - 7

move variables to left and numbers to right

8x - 3x = - 7 -6

5x = -13

x = -13/5

4 0
3 years ago
Please help me with both problems thank you so much!!
motikmotik
The one on the left is -5/6
The one on the right is 1/21
6 0
2 years ago
Read 2 more answers
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
4 - 1 1/4<br><br> A. 3 1/4<br> B. 3 3/4<br> C. 2 3/4<br> D. 2 1/4
AleksAgata [21]
The answer to this question is c. 2 3/4
6 0
2 years ago
Read 2 more answers
Select the equivalent expression . ( 8^ -5 2^ -2 )^ -4 =?
Vikki [24]

Answer: C

Step-by-step explanation:

When there is division inside a set of parentheses, you can distribute the power to each term. When you take a power to another power, you multiply the powers.

-5 x -4 = 20

-2 x -4 = 8

So your answer is:

\frac{8^2^0}{2^8}

6 0
3 years ago
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