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scoundrel [369]
3 years ago
12

Before you factor you should check what two things?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
7 0

You can check your factoring by multiplying them all out to see if you get the original expression. If you do, your factoring is correct; otherwise, you might want to try again

gavmur [86]3 years ago
7 0

Answer:

I put all the steps to factoring, hopefully this helps! ^^

Step-by-step explanation:

-Check for common factors. If the terms have common factors, then factor out the greatest common factor (GCF) and look at the resulting polynomial factors to factor further.

-Determine the number of terms in the polynomial.  

-Look for factors that can be factored further.

-Check by multiplying.

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Lindsey went shopping with her grandmother. Lindsey's grandmother gave her $8.00 to add to the original amount she had in her wa
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Answer:

B) $12.25

Step-by-step explanation:

First, you subtract 8 from 15.5 and have 7.5

Now, you add 7.5 to 4.75 because you need to include the money left over. It’s 12.25

8 0
3 years ago
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Use proportional reasoning to determine the value of a in the proportion shown below.
erma4kov [3.2K]

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c

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3 years ago
in a square garden plot (with an area of 400 sq ft)deer fencing priced at $1.50 per foot is to be installed around the plot. if
mina [271]

We have a square garden of 400 square foot.

The area of a square is:

A=x^2

where x: side length.

In this case:

\begin{gathered} A=400=x^2 \\ x=\sqrt[]{400}=20\text{ ft} \end{gathered}

The perimeter of the square is the sum of the lengths of the sides of the square. As they are all equal, we can write:

P=4x=4\cdot20=80\text{ ft}

The fencing is priced at $1.50 per foot. If we add the 7% sales tax to this price we get:

C=1.50\cdot(1+0.07)=1.50\cdot1.07=1.605\text{ \$/ft}

The fencing will be installed in all the perimeter (80 ft).

We can calculate the total cost by multiplying the sales price ($1.605 per foot) and the perimeter (80 ft):

F=C\cdot P=1.605\frac{\text{\$}}{\text{ft}}\cdot80\text{ ft}=\$128.40

Answer: the fencing will cost a total of $128.40

8 0
1 year ago
What is the diameter if the radius is 6ft?
umka2103 [35]

Answer:

12

Step-by-step explanation:

d=rx2

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How many liters of a 10% alcohol solution must be mixed with 90 liters of a 60% solution to get a 30% solution?
Setler [38]
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0.10x+54=0.30L 
x+90=L. Plugging x+90 for L, we get 0.10x+54=0.3(x+90)=0.3x+27. Subtracting 27 and 0.1x from both sides, we get 0.2x=27. Next, we can multiply both sides by 5 (since 1/0.2=5) to get x=135 liters
4 0
4 years ago
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