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sveta [45]
2 years ago
6

Evaluate using suitable identity:c). 98²​

Mathematics
2 answers:
FrozenT [24]2 years ago
7 0
The answer is 98 x 98 =9604
Vesnalui [34]2 years ago
6 0

Step-by-step explanation:

<h3><u>★ Solution :-</u></h3>

\sf \longmapsto 98^2

\sf \longmapsto (a - b)^2 = a^2 - 2ab + b^2

Here,

  • a = 100
  • b = 2

\sf \longmapsto (100 - 2)^2 = 100^2 - 2(100)(2) + 2^2

\sf \longmapsto 100^2 - 2(100)(2) + 2^2

\sf \longmapsto 10000 - 400 + 4

\sf \longmapsto 9606

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HELP NEEDED!<br><br> Evaluate: 8 + -12 - -12/2
svp [43]

Answer:

2

Step-by-step explanation:

because if 8+-12= about-4 so if you have a negative number plus a positive it equals a negative number then you have -4 minus -12 equals a positive is 8 because if its negative and negative it equals a positive number then you have 8/2 and it equals 4 because that slash is a divided sign all together it is 8+-12-(-12)/2=2

3 0
3 years ago
Read 2 more answers
If a,b, and c are prime numbers, do (a+b)(a+b) and cc have a common factor that is greater than 1?
Tanya [424]

Answer:

1. Information is not sufficient

2. Information is not sufficient

Step-by-step explanation:

Question Modified

If a,b, and c are prime numbers, do (a+b) and c have a common factor that is greater than 1?

(1) a,b, and c are all different prime numbers

(2) c≠2

Explanation

1. Let's assume values of 1,3 and 5 to a, b, and c respectively

a + b = 1+3 = 4

4 and 5 do not have any common factor aside 1

Let's assume values of 1,3 and 2 to a,b and c respectively

a + b = 1+3 = 4

4 and 2 have a common factor of 2

So, the available information is not sufficient

2.

Let's assume values of 2,7 and 3 to a b and c response

a + b = 2 + 7 = 9

9 and 3 have a common factor of 3

Also, let's assume values of 2,7 and 5 to a, b and c

a + b = 2 + 7 = 9

9 and 5 do not have a common factor

So, the available information is also not sufficient to answer the question.

3 0
3 years ago
Help I have no clue what I'm doING​
WINSTONCH [101]
The question asks you to find the total amount of rain after each hour, and has given you the ratio of 1.5 cm of rain in an hour. Therefore to find the rest, you’ll need to multiply the number of hours by the amount of rain in an hour:
2hrs - 3 cm
3hrs - 4.5 cm
4hrs - 6 cm
5hrs - 7.5 cm

I hope this helps and that I’m right! Good luck!! :)
5 0
2 years ago
Read 2 more answers
May I get help with this question?
irina1246 [14]

Answer:

C. <F

Step-by-step explanation:

The angle that sees the largest side length has the largest measurement.

Amongst the given side lengths the one that sees <F has the longest length so the answer is C

4 0
3 years ago
The temperature dropped 4º per<br>hour. What is the change in<br>temperature after 6 hours?​
maks197457 [2]

Answer:

-24

Step-by-step explanation:

A temperature drop is a negative value

-4 per hour

6 hours go by

6* -4 = -24

The temperature decreases by 24 degrees or

-24

5 0
3 years ago
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