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Anika [276]
3 years ago
7

Part A: Factor 3x2y2 − 2xy2 − 8y2. Show your work. (4 points) Part B: Factor x2 + 10x + 25. Show your work. (3 points) Part C: F

actor x2 − 36. Show your work. (3 points) (10 points)
Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0
These are what b and c would look like.

2. x^2+19x+25
=(x^2+5x) (5x+25)
x(x+5) and 5(x+5)
x(x+5) + 5(x+5)
(x+5) (x+5)
(x+5)^2

3. x^2-36
6*6=36
-6*6=-36
(x+6) (x-6)
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Trevor plans on buying a car. Four banks offer the annual interest rates shown.
mote1985 [20]

Solution

In order to find  greatest to least number, we have to convert the given fractions into decimals.

3 \frac{1}{10} % = 3 + 1/10 = 3 + 0.10 = 3.10%

3 \frac{2}{5}% = 3 + 2/5 = 3 + 0.40 = 3.40%

3 \frac{1}{4} %= 3 + 0.25 = 3.25%

3 \frac{1}{3}% = 3 + 0.33 = 3.33%

Now we can easily, compare the numbers and write from greatest to least.

3.40%, 3.33%, 3.25%, 3.10%

Greatest to least  = 3 2/5%, 3 1/3%3, 3 1/4%,  1/10%,

Thank you :)

8 0
4 years ago
Read 2 more answers
Help me in math please
dsp73
Answer: Choice A

Proof:
Replace x with 1 and y with 2. This is because (x,y) = (1,2) so x = 1 and y = 2.

Doing both replacements and simplifying leads to...

2*x - y = 0
2*1 - 2 = 0
2 - 2 = 0
0 = 0

That confirms (x,y) = (1,2) is a point on the line.
It confirms (1,2) is a solution to the equation.
4 0
3 years ago
1. Draw a model to show 1/6. Then divide the model into twice as many parts to find an equivalent fraction.
Gnoma [55]
U have to times by 2 it will it will change 
7 0
3 years ago
Use the zero product property to find the solutions to the equation x^2-15x-100=0
7nadin3 [17]

Answer:

x = 20 or x = -5

Step-by-step explanation:

To solve the quadratic equation we must factor the expression

Look for 2 numbers that when you multiply them, obtain the result -100 and when you add them, obtain the result -15.

You can verify that these numbers are -20 and 5

-20 +5 = -15\\\\-20 * 5 = -100

Then the polynomial factors are

(x-20) (x + 5) = 0

 The zero product property says that if two terms a * b = 0 then

a = 0 or b = 0

So

(x-20) = 0 or (x + 5) = 0

x = 20 or x = -5

6 0
4 years ago
Read 2 more answers
A recipe calls for 1 part beans to 1½ parts rice. if 1½ parts of beans are used, how much rice should be used?
riadik2000 [5.3K]
1 \text{ part beans} \longrightarrow  1\dfrac{1}{2}  \text{ parts rice}

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1 \dfrac{1}{2}  \text{ part beans} \longrightarrow  2\dfrac{1}{4} \text{ parts rice}
8 0
3 years ago
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