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Naddik [55]
3 years ago
11

write an expresion that shows how you can multiply 9x475 using expanded form and the distributive property.

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0
(400 x 9) + (70 x 9) + (9 x 5)
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alisha [4.7K]

Answer:

Step-by-step explanation:140

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3 years ago
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The line plots shows the distance, in miles, that students walked on Friday. How many students walked over 1/2 of a mile.
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3 years ago
Someone please help me thank you
Igoryamba

Answer:

x = - 1

Step-by-step explanation:

Given

4x = x^2 - 5               Transfer 4x to the right side.

Solution

x^2 - 4x - 5 = 0          Factor

(x - 5)(x + 1)

You want the negative solution. That means that the middle sign must be plus.

x + 1 = 0                   Subtract 10 from both sides

x = - 1                       Ten on the left disappears by the subtraction process.

Is that correct?

4x = x^2 - 5

x = - 10

4*(-1) = (-1)^2 - 5

-4  = ? 1 - 5

-4 = - 4

and it does work.  

8 0
3 years ago
A gallon of gas costs g dollars. paul puts 12.5 gallons of gasoline in his car and 0.75 gallon of gasoline in a portable tank. w
Oduvanchick [21]
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Use the grouping method to factor the polynomial below completely. x3 + 2x2 + 3x + 6
Phoenix [80]

Hello from MrBillDoesMath!

Answer:

(x+2) ( x^2 + 3)

Discussion:

x^3 + 2x^2 + 3x + 6 =  

( x^3 + 2x^2) + (3x + 6) =         => factor "x^2" from the first term; factor 3

                                                    from the second term

x^2( x + 2) + 3( x+2)  =             => factor (x+2) from each term

(x+2) ( x^2 + 3)

Thank you,

MrB

6 0
3 years ago
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