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solmaris [256]
2 years ago
11

Which of the following is the difference of two squares?

Mathematics
1 answer:
Blizzard [7]2 years ago
5 0

Answer: C

Step-by-step explanation:

25a^{2}=(5a)^{2} and 36b^{6}=(6b^{3})^{2}

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Television and radio stations use four call letters starting with w or​ k, such as wxyz or krld. assuming no repetitions in the
katen-ka-za [31]
Here we are dealing with combinations without repetitions.

Let's write the form of a name.
For names starting with W:
W _ _ _
For names starting with K:
K _ _ _

We are allowed to use only lettrs from F to X. That's total of 19 letters. We are not allowed to repeat letters so for each letter we can choose from one less available letters.

Let's start with names begining with W. We will write how man possible letters we can choose from.
W 18 17 <span>16
</span>At second possition we can choose from 18 letters because we must not repeat letters and W is placed in front of X in alphabet.
At third position we can choose from 17 letters becasue we already chose two of 19 possible letters.
At fourth position we can choose from 16 letters becasue we already chose three of 19 possible letters.
To calculate total number of possible names we need to multiply these numbers:
1 * 18 * 17 * 16 = 4896

Same calculation can be done for names starting with K. We would get same number as solution.

Total number of possible names starting with W or K is 4896 + 4896 = 9792
4 0
3 years ago
Will give BRAINLIEST!!
andrew11 [14]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Lol it’s me again (help)
timurjin [86]

Answer: y= -4x+13

Step-by-step explanation:

7 0
3 years ago
Axel follows these steps to divide 40 by 9: Start with 40. 1. Divide by 9 and write down the remainder. 2. Write a zero after th
yarga [219]
4 r4
9⬜️40
-36
——
4
“Divide 40 by 9” means 40÷9
Axel did 9÷40


9 goes outside the dog house (⬜️)
9 can’t go into 4 so move to the next number
9 goes into 40 4 times.
9 times 4 equals 36
40 minus 36 equals 4
There are no other numbers under the house can’t go into four and 9 can’t go into 4. That means there is a remained of four.
7 0
3 years ago
Help quick <br> I need the answer <br> X=??
Katena32 [7]

Answer:

x = 16

Step-by-step explanation:

The angle opposite of 4x will have the same value. So set up an equation of 4x is equal to the opposite angle.

4x = 64

Then solve for x

x = 16

6 0
3 years ago
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