3 years ago

Which expression represents the factor form of the equation above ?

Mathematics

1 answer:

loris [4]3 years ago

7 0

Answer:

(x+4)(x+25)

Step-by-step explanation:

x*x=x^2

x*20=20x

4*x=4x

4*25=100

x^2+20x+4x+100

put the commons together and you will get

x^2+29x+100

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Find a solution to the system. Make sure to write as a coordinate.

RUDIKE [14]

Answer:

x=2, y=3

Step-by-step explanation:

This is a system of equations.

To solve a system of equations, we use the substitution method.

We can plug in the first equation, $x=2y-4$ , into the value for x in the second equation. Now, the second equation looks like this:

$2*(2y-4)+y=7$

We simplify and solve for y:

→ $4y-8+y=7$

→ $5y=15$

→ $y=3$

Now, we plug in the value for y, which is 3, into either equation. I will just use the first equation:

→ $x=2*3-4$

→ $x = 2$

Let me know if my explanation is unclear.

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2 years ago

What is the range of the function? The function f(x) = -(x + 5)(x + 1) is shown.

Anton [14]

Answer:

Step-by-step explanation:

u do 5 times x then do 1 times f .

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2 years ago

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UkoKoshka [18]

Answer:

25 minutes

Step-by-step explanation:

50÷10=5

5×5=25

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2 years ago

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An Xbox that normally sells for $390 is on sale at a 30% discount. What is the sale price of the Xbox?

schepotkina [342]

$273 as 390×(1-30%)=273

8 0

3 years ago

The diagonals of a kite are in the ratio 3 : 2. The area of the kite is 27cm(squared). find the length of both diagonals.

alina1380 [7]

$P= 27 \ cm^2 \\ \\P=\frac{1}{2} e * f \\ \\ f =3x , \ e = 2x \\ \\27=\frac{1}{2}*2*3x \\ \\27=3x/:3$

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2 years ago