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Ede4ka [16]
3 years ago
6

What is the factored from of 9x^2-64

Mathematics
2 answers:
svetlana [45]3 years ago
7 0

Answer:

Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b) where a=3x and b=8

.

(3x+8)(3x−8)

Step-by-step explanation:

Nataly [62]3 years ago
7 0

Assignment: \bold{Factor \ Equation: \ 9x^2-64}

<><><><><><><>

Answer: \boxed{\bold{\left(3x+8\right)\left(3x-8\right)}}

<><><><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><><><>

[ Step One ] Rewrite \bold{9x^2-64}

\bold{\left(3x\right)^2-8^2}

[ Step Two ] Rewrite Equation

\bold{\left(3x\right)^2-8^2}

[ Step Three ] Apply Difference Of Two Squares Formula

Note: \bold{Difference \ Of \ Two \ Squares \ Formula: \ x^2-y^2=\left(x+y\right)\left(x-y\right)}

\bold{\left(3x\right)^2-8^2=\left(3x+8\right)\left(3x-8\right)}

<><><><><><><>

\bold{\left(3x+8\right)\left(3x-8\right)}

<><><><><><><>

\bold{\rightarrow Mordancy \leftarrow}

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Roger served 5/8 pound of cracker wich was 2/3 of the entire box what was the weight of the crackers originally in the box
horrorfan [7]
Answer:
original weight of the box = 15 / 16 pounds

Explanation:
Assume that the original amount in the box is x.
We are given that:
5/8 pounds represent 2/3 of the total amount (x).
This can be translated into the following equation:
(2/3) x = 5 / 8

Now, we will solve for x as follows:
(2/3) x = 5 / 8
Multiply both sides by 24 to get rid of the denominators as follows:
(2/3) x * 24 = (5 / 8) * 24
16 x = 15
Divide both sides by 16 to isolate the x as follows:
x = 15 / 16 pounds

Hope this helps :)

8 0
3 years ago
I don’t understand the second one please help
OLEGan [10]
You have to put the number in the graph
6 0
3 years ago
Read 2 more answers
Help please don’t understand.
sergij07 [2.7K]
Okay so first, area is length times width, so 1/4x*x would be first = 1/4(x^2)=64. Then area or x = 16 or -16

perimeter would be width times two plus length times two. I recommend using math papa to calculate these numbers.

4 0
3 years ago
Write 3 equivalent expressions for 12x-36
morpeh [17]

Answer:

1) 24x-72; 2) 6x-18; 3) 2x-9

Step-by-step explanation:

You can divide it or multiply it by whatever number it is to make it a whole number, not a decimal. Or else it will be even more difficult.

4 0
3 years ago
Find g[h(x)] if g(x)=x^2 and h(x)=x+3
svetlana [45]

Answer:

g(h(x)) = [x + 3]^2 or x^2 + 6x + 9

Step-by-step explanation:

g[h(x)] signifies that h(x) is the input to g(x).

Writing out g(x) = x^2 and replacing "x" with [x + 3], we get:

g(h(x)) = [x + 3]^2 or x^2 + 6x + 9

8 0
2 years ago
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