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topjm [15]
2 years ago
6

Which expression equals the sum 1+2+3+4+5+6..

Mathematics
1 answer:
otez555 [7]2 years ago
7 0

Answer:

7 * 3

7+7+7

3+3+3+3+3+3+3

2+2+2+2+2+2+2+2+2+2+1

(2*10)+1

(10*1)+11....

...and so on

Step-by-step explanation:

I don't know what type of expression you are looking for

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Rewrite the fractions with their LCD.
masya89 [10]
Well the best answer for LCD is \frac{2}{5x+15y} is 5(x+3y) and the best answer for LCD is \frac{1}{2x+6y} is 2(x+3y) 

I hope this helps!
7 0
3 years ago
Benjamín made 3 times more than Alberto and Carlota 2 times more than Benjamín, so how much is it, help me
vichka [17]

Step-by-step explanation:

you are "hiding" some more information (like how much they made together).

without that we cannot calculate the actual values.

all I can do is set up the equations expressing the given relations between the parts of the total :

a = amount Alberto made

b = amount Benjamin made

c = amount Carlota made

b = 3×a

c = 2×b = 2× 3×a = 6×a

that's it.

your see ? now we need something that "ties" all 3 together, an equation of all 3 variables, where we can use the first 2 equations (by substitution) and then solve for the remaining third variable.

and that is missing.

if it is something like "together they made x", then we would have

a + b + c = x

a + 3a + 6a = x

10a = x

a = x/10

b and c we get then from the first 2 equations by simply using the calculated value of a :

b = 3×(x/10) = 3x/10

c = 6×(x/10) = 6x/10 = 3x/5

7 0
2 years ago
An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is
Sati [7]
Lo que queres es 34  5 5 5
6 0
3 years ago
Please i need help on math
weeeeeb [17]

Answer:

See below.

Step-by-step explanation:

The slope of a line is the rate of change.

A positive slope slants upward and to the right, while a negative slope slants downward and to the right.

6 0
2 years ago
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7.24 divided by 7 show the work
brilliants [131]
1.03428571 is the answer.
5 0
3 years ago
Read 2 more answers
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