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matrenka [14]
3 years ago
12

67×x[12+14]÷[22x×2]×2

Mathematics
1 answer:
marshall27 [118]3 years ago
6 0
I started the problem, hope this helps

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Use the formula a2 – b2 = (a b)(a – b) to factor completely. what are the factors of 36x8 – 49? (9x4 – 1)(4x2 49) (36x4 – 7)(x2
zimovet [89]

The factors of 36x^8 – 49 are  (6x^4-7)(6x^4+7).

We are given to factor the following polynomial completely:

36x^8 – 49.

We have to find the complete factor of the given polynomial.

Completely factor means to continuously factor terms until they are in simple terms, meaning you are no longer able to factor

<h3>What is the formula for (a^2-b^2)?</h3>

The formula for (a^2-b^2)= (a+b) (a-b).

Therefore applying the given formula we have,

F=(6x^4)^2-7^2

F=(6x^4)^2-7^2\\F=((6x^4)-7)(6x^4)+7)

Thus, the required factors are

F=((6x^4)-7)(6x^4)+7)

Therefore,option (C) is correct.

To learn more about factors visit:

brainly.com/question/25829061

7 0
2 years ago
The price of an item yesterday was $140. Today, the price fell to $63. Find the percentage decrease.
Anna35 [415]

Answer:

55% decrease

Step-by-step explanation:

To find the percent decrease

Take the original price and subtract the new price

140-63 =77

Divide by the original price

77/140

.55

Multiply by 100 to get the percent

.55*100 = 55%

55% decrease since the price got lower

4 0
3 years ago
Read 2 more answers
Write the product in standard form (2x + 5) ^2
Iteru [2.4K]

Answer:

4x^2+20x+25

Step-by-step explanation:

(2x+5)^2 = (2x+5) (2x+5)

Using the foil method : 2x(2x) = 4x^2

(2x) (5) = 10x

(2x) (5) = 10x

5 (5) = 25

Combine like terms

4 0
3 years ago
If all of the students in a class can form two equal lines of students, the number of students in the class not be how many? A.
elena-s [515]
I think the answer is c because it is a even number and the answer can also be a but i think it is c
6 0
3 years ago
A right triangle has two equal sides. The hypotenuse is 10 cm. What is the perimeter of the triangle?
Scorpion4ik [409]

Answer:

Isosceles Right Triangle Example

Step-by-step explanation:

Find the area and perimeter of an isosceles right triangle whose hypotenuse side is 10 cm. Therefore, the length of the congruent legs is 5√2 cm. Therefore, the perimeter of an isosceles right triangle is 24.14 cm.

Hope this answer helps ^^

4 0
3 years ago
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