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Gennadij [26K]
3 years ago
9

57x2.3 what is the anser pls help

Mathematics
1 answer:
Kamila [148]3 years ago
3 0

Answer:

285.00

Step-by-step explanation:

Because you change 57 to a decimal (57.0) then you multiply.

57.0×2.3=285.00

today is my birthday wish me a happy birthday

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Dentro de 15 años la edad de Jorge será el doble de la de Eduardo si hace 6 años la de Jorge era triple la de Eduardo, hallar la
rodikova [14]

Answer: The sum of their ages is 42

Step-by-step explanation:

This can be translated to:

in 15 years from now, Jorge's age will be 2 times the age of Eduardo.

If 6 years ago the age of Jorge was the triple of the one of Eduardo.

Find the sum of their ages:

If E is Eduardo's age and J is Jorge's age, we have a system of equations:

J + 15 = 2(E + 15)

J - 6 = 3*E

The first step is isolating one of the variables in one of the equations, let's isolate J in the second equation:

J - 6 = 3E

J = 3E  +6

Now we can replace it in the first equation:

J + 15 = 2E

3E + 6 + 15 = 2E + 30

3E + 21 = 2E + 30

3E - 2E = 30 - 21 = 9

E = 9

Eduardo is 9 years old:

J = 3E + 6 = 3*9 + 6 = 27 + 6 = 33

Jorge is 33 years old.

then E + J = 33 + 9 = 42

7 0
3 years ago
How many zero pairs do you think we need to add so we can take away 6 positives?
Delvig [45]

Answer:

6

Step-by-step explanation:

1-(-1) ends you with 5

1 -(-1) ends you with 4

1- (-1) end you with 3

1 - (-1) ends you with 2

1 - (-1) end you with 1

1 - (-1) ends you with 0

8 0
2 years ago
What is 45m/15s as a rate
Lena [83]

Answer:

3/1 or 3

Step-by-step explanation:

45/15 divided by 15 = 3/1

5 0
3 years ago
U=b+k-a, solve for a​
Alex_Xolod [135]

Answer:

I do not believe you can solve this unless the variable mean something and it is specified

6 0
3 years ago
Read 2 more answers
Simplify 3/4 and 6/7
crimeas [40]
3/4 will become 1/2 and 6/7 will become 1/2 too
7 0
3 years ago
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