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salantis [7]
3 years ago
13

I need help solving it

Mathematics
2 answers:
blagie [28]3 years ago
8 0
X2-64=0
x2=64

x=8 because when multiplied by itself, and plugged back in, it works
Mice21 [21]3 years ago
7 0
Step by step on this problem. Hope this helps. Good luck! Mark brainest plz

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Can someone answer this
sergejj [24]
What is the name of this website
5 0
3 years ago
7+6 (mod 5) =<br><br>2+1 (mod 5) =<br><br>20 (mod 11) =<br><br>35 (mod 11) =<br><br>20 (mod 11) =​
ValentinkaMS [17]

Answers:

  • 3
  • 3
  • 9
  • 2
  • 9

======================================

Explanation:

7+6 = 13. Divide this over 5 to get 13/5 = 2 remainder 3. The quotient 2 is something we don't care about. <u>We only worry about the remainder</u>. Therefore 7+6 = 3 (mod 5)

-------------

2+1 = 3 (mod 5) for similar reasoning as above. 3/5 = 0 remainder 3.

-------------

20 = 9 (mod 11) since 20/11 = 1 remainder 9. Imagine you had 20 cookies and 11 friends. Each friend would get 1 whole cookie (quotient) and there could be 9 left over (remainder).

-------------

35/11 = 3 remainder 2

Or you could use repeated subtraction like so to find the remainder

35-11 = 24

24-11 = 13

13-11 = 2

The last result (2) is smaller than 11, so we stop here and this is the remainder.

Therefore, 35 = 2 (mod 11)

--------------

Here's another way to think of it. Consider you have $35 in your pocket. Let's say a store is selling trinkets for $11 each. We can pose these key questions:

  • What is the most number of trinkets you can buy?
  • If you buy that max amount, how much will you have left over?

The answer to the first question is 3 trinkets because 3*11 = 33 dollars is under the budget of $35. The amount left over is 35-33 = 2 dollars which is the remainder. It's not larger than 11, so we cannot buy any more trinkets at this point.

5 0
3 years ago
Multiple of 4 that have a odd number in the tens place. What value do they have in the ones place
olga nikolaevna [1]

Let us write some multiples of 4.

4,8,12,16,20,24,28,32,36,40.

<h3>We can see that 12,16, 32,36 are the multiples of 4 those have odd numbers 1 and 3 at tens places.</h3>

Now, we need to check the numbers on ones places of those multiples we got.

<h3>Ae can see that at ones places we have 2 and 6 numbers.</h3>

If we find some more mutiples, we get same odd numbers at tens places and same even numbers 2 and 6 at ones places.


8 0
3 years ago
One wintry week a ski town got 15 1/2 inches of snow on Monday the town got 2 3/4 inches on Tuesday it got 1 1/2 times as much a
alukav5142 [94]

Answer: On Monday the town got 2 3/4 (2.75) inches of snow.

On Tuesday it got 1 1/2 (1.5) times as much: 2.75 x 1.5 = 1.375 (inch)

⇒ On Tuesday the town got 1.375 inch of snow.

On Wednesday it got 7/8 (0.875) inch of snow.

After Monday, Tuesday and Wednesday, the town got:

2.75 + 1.375 + 0.875 = 5 (inches of snow)

For the rest of the week, the town got:

15 1/2 - 5 = 10 1/2 = 10.5 (inches of snow)

Step-by-step explanation: hope it helped :))

5 0
3 years ago
Read 2 more answers
Please help me on this review of inequalities assignment!
VARVARA [1.3K]

Answer:

3:      x_> 16     4: x _>100 5: x>3    6:  x_< 200  

Step-by-step explanation:

I did this sheet.

3 0
3 years ago
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