2 years ago

What's 666 -66+777+90- 789

Mathematics

1 answer:

krok68 [10]2 years ago

8 0

Answer:

678

Step-by-step explanation:

First you have to do 666-66 which is 600. Then you add 777 which is 1377. Then you add 90 which is 1467. Last you subtract 789.

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Andrew [12]

Answer:

-44.9

Step-by-step explanation:

-8(2.2) = -17.6

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2 years ago

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Solve 5x(m+n) using the distributive property

Genrish500 [490]

Answer: $5xm+5xn$

Step-by-step explanation:

For this exercise it is necessary to remember the following:

1) The Distributive Property states the following:

$a(b+c)=ab+ac\\\\a(b-c)=ab-ac$

2) The multiplication of signs:

$(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-$

Knowing this, and having the following expression given in the exercise:

$5x(m+n)$

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So, you get the following result:

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2 years ago

If a picket fence is 15 feet long. how many 1/2 foot wide pickets will fit along it?

Advocard [28]

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3 years ago

Can sombody tell me what is 10=-2c+22

snow_tiger [21]

Answer:

C = 6

Step-by-step explanation:

10 = -2c + 22

Switch Sides

-2c + 22 = 10

Subtract 22 From Both Sides

-2c + 22 - 22 = 10 - 22

Simplify

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Divide both Sides By -2

-2c / -2 = -12 / -2

Simplify

C = 6

Best Of Luck,

- I.A. -

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