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katrin2010 [14]
2 years ago
15

12. Find the product: (88a + 80)(8a + 8) ( 1 ) 13. Find the product: (40y + zy)(4y + zy) ( 1 )

Mathematics
1 answer:
laiz [17]2 years ago
7 0

Answer:

(88a+80)(8a+8)

88a(8a+8)+80(8a+8)

704a²+704a+640a+640

704a²+1344a+640

(40y+zy)(4y+zy)

40y(4y+zy)+zy(4y+zy)

160y²+40zy²+4zy²+z²y²

160y²+44zy²+z²y²

Step-by-step explanation:

i hope this will help you

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What is the area of a rectangle that has side lengths of 3/4 yard and 5/6 yard
Ahat [919]

We are asked to find the area of the rectangle that has side lengths of 3/4 yard and 5/6 yard.

We know that area of rectangle is width times length.

To find the area of the given rectangle we will multiply both side lengths as:

\text{Area of rectangle}=\text{Width}\times \text{Length}

\text{Area of rectangle}=\frac{3}{4}\text{ yard}\times\frac{5}{6}\text{ yard}

\text{Area of rectangle}=\frac{3}{4}\times\frac{5}{6}\text{ yard}^2

\text{Area of rectangle}=\frac{1}{4}\times\frac{5}{2}\text{ yard}^2

\text{Area of rectangle}=\frac{1\times5}{4\times2}\text{ yard}^2

\text{Area of rectangle}=\frac{5}{8}\text{ yard}^2

Therefore, the area of the given rectangle would be \frac{5}{8} square yards.

5 0
3 years ago
Help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!
MatroZZZ [7]

9514 1404 393

Answer:

  second step is wrong; x = 5

Step-by-step explanation:

The correct solution is ...

  3(x -3) +9 = 15

  3x -9 +9 = 15 . . . . . . . not 3x -3

  3x = 15

  x = 5

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Jeremy did what a lot of students do -- failed to apply the outside factor to <em>all</em> of the terms in parentheses.

6 0
2 years ago
What is the value of x in the equation 2(6x+4) - 6+ 2x - 3(4x+3)+1?
gizmo_the_mogwai [7]

Answer:

The question is incorrect. if you are going to solve an equation for x you need to set it equal to something.

8 0
3 years ago
HELP with this math problem please
DIA [1.3K]

Answer:

-1/4

Step-by-step explanation:

Since there is a positive and negative sign next to each other it would automatically become a negative sign so then your equation should be 1/2-3/4 now you would need to find the common denominator since 2 can go into 4 2x the equation would be 2/4-3/4 now you would subtract that to get -1/4

6 0
3 years ago
Read 2 more answers
When rewriting a literal equation in terms of a specific variable, you may need to divide by which of the following
julia-pushkina [17]

Answer:

Number

Step-by-step explanation:

Dividing by a variable is something you should really never do, as it doesn't include the possibility that it could be 0. This removes both of the first two answers. When solving for a variable, however, dividing by numbers can be done often to find a solution. Diving by an inequality sign is probably not something that can be done under normal circumstances.

3 0
2 years ago
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