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2 years ago

Chuck took a slice of pizza from the freezer and put it in

Mathematics

1 answer:

alina1380 [7]2 years ago

3 0

Answer:

16 Minutes

Step-by-step explanation:

$\frac{4}{25} \\ \\$ = $\frac{16\\}{100}$

Both the numerator and denominator is multiplied by 4.

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Aaron is at a spot in his book where the page numbers of the two facing pages have a product of 1980 what are the two page numbe

Alona [7]

Basically you know that they are 2 consecutive numbers whose product is 1980.
n*(n+1)=1980 
n^2 + n - 1980 = 0 
(n -44)(n + 45)= 0 
n=44 
so the 2 page numbers is 44 and 45. 

The faster way is just to take the square root of 1980 and since that is 44.497 you can conclude that the 2 numbers is below and above it (44, 45)

5 0

3 years ago

What is the least common multiple of 8 and 9? Enter your answer in the box.

Contact [7]

Answer:

Step-by-step explanation:

The LCM is when you find the lowest factor that 2 or more numbers share.

For 8 and 9,you would just need to keep multiplying each other until you find the same numbers. It would look something like this.

8,16,24,32,40,48,56,64,72..... etc.

9,18,27,36,45,54,63,72,81..... etc.

You can see how they both have the same factor (72), and since that is the lowest factor (which means I can find a lower factor then 72) then your LCM of 8 and 9 should be 72 :)

4 0

3 years ago

Solve the system using substitution y=2x+10 y=x+8

kvv77 [185]

Answer:

x = -2

Step-by-step explanation:

x+8 = 2x +10

-2x + x = 10-8

-x = 2

divide both side by -1

answer -- x = -2

8 0

3 years ago

I need help with trig identities!!! (You will get 10 points!)

IgorLugansk [536]

Look at the picture. I have no idea why I can't add an answer.

4 0

3 years ago

(i) 809, 708, 607, _____, _ class 4 __class 4

schepotkina [342]

Answer:

809, 708, 607, 506, 405, 304, 203, 102, 1, -100

Step-by-step explanation:

809, 708, 607, _____, _______

First term = 809

Second term = 708

Third term = 607

Difference between first term and second term = 809 - 708

= 101

Difference between second term and third term = 708 - 607

= 101

Therefore, the common difference is 101

Fourth term = 607 - 101

= 506

Fifth term = 506 - 101

= 405

Sixth term = 405 - 101

= 304

Seventh term = 304 - 101

= 203

Eighth term = 203 - 101

= 102

Ninth term = 102 - 101

= 1

Tenth term = 1 - 101

= - 100

809, 708, 607, 506, 405, 304, 203, 102, 1, -100

4 0

2 years ago