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Ahat [919]
3 years ago
9

I need help simplifying 7x + 3 - 2x + 9

Mathematics
2 answers:
choli [55]3 years ago
6 0

Answer:

5x + 12

Step-by-step explanation:

7x - 2x = 5x

3 + 9 = 12

Fudgin [204]3 years ago
5 0

Answer:

325555555

Step-by-step explanation:

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Damon can flip 5 pancakes in 20 seconds,
katen-ka-za [31]

Answer:

24 + 30 = 54 pancakes flipped in 2 minutes :)

Step-by-step explanation:

damon = 5 pancakes in 20 seconds

we do 20 x 3 and 5 x 3 to find how many pancakes he can flip in a minute

15 pancakes and a minute, we then multiply them by 2 to get the amount for 2 minutes

30 pancakes flipped in 2 minutes

Hailey = 2 pancakes in 10 seconds. to make it an equal amount of pancakes per second with damon, i will multiply them by 2 to have 4 pancakes in 20 seconds

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How do you write a quadratic equation in standard form?
Lemur [1.5K]

Answer:

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Step-by-step explanation:

For some constants a, b, and c, the standard form* is ...

  ax^2 + bx + c = 0

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It is nice if the leading coefficient (a) is positive, but that is not required.

The main ideas are that ...

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* This is the <em>standard form</em> for a quadratic. For other kinds of equations, when the expression is equal to zero, this would be called "general form."

3 0
3 years ago
Find the diameter and radius of a circle that has a circumference of a 23 cm
IrinaVladis [17]
The diameter is 46 and the radius is 11.5

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I need answer ASAP! Please!!
raketka [301]

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Two trapezoids below are similar what is the length of RS?
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9514 1404 393

Answer:

  11.5 m

Step-by-step explanation:

The fact that the figures are similar means the side lengths are proportional:

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  RS = (7 m)(2.3/1.4) . . . . . . multiply by 7 m

  RS = 11.5 m

 

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