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Ludmilka [50]
2 years ago
7

Hey can someone help me

Mathematics
1 answer:
kogti [31]2 years ago
4 0

5n^2=25n 25n+19n=44n 44n+12 is the answer

You might be interested in
If
UkoKoshka [18]

Answer:

-8n + 9

Step-by-step explanation:

Given that,

A = -3n + 2

B = 5n - 7

Before solving you have to know that,

( + ) × ( + ) = ( + )

( - ) × ( - ) = ( + )

( + ) × ( - ) = ( - )

Let us solve now.

A - B

-3n + 2 -(5n - 7)

-3n + 2 - 5n + 7

Combine like terms

-3n - 5n + 2 + 7

-8n + 9

Hope this helps you.

Let me know if you have any other questions :-)

5 0
2 years ago
Find the area of the isoceles triagle (hight not given)
Igoryamba

Answer:

157

Step-by-step explanation:

TSA OF TRIANGLE IS 180

13+10  IS 23

180-23 IS 157

8 0
3 years ago
Please Help
VARVARA [1.3K]
I belive its D dont take my word for it but i belive that is the answer
3 0
3 years ago
Read 2 more answers
Today there are a total of six toll-free area codes: 800, 844, 855, 866, 877, and 888. Assume that all seven digits for the rest
Ludmilka [50]

Answer:

6 \times 10^{7}

Step-by-step explanation:

Total number of toll-free area codes = 6

A complete number will be of the form:

800-abc-defg

Where abcdefg can be any 7 numbers from 0 to 9. This holds true for all the 6 area codes.

Finding the possible toll free numbers for one area code and multiplying that by 6 will give use the total number of toll free numbers for all 6 area codes.

Considering: 800-abc-defg

The first number "a" can take any digit from 0 to 9. So there are 10 possibilities for this place. Similarly, the second number can take any digit from 0 to 9, so there are 10 possibilities for this place as well and same goes for all the 7 numbers.

Since, there are 10 possibilities for each of the 7 places, according to the fundamental principle of counting, the total possible toll free numbers for one area code would be:

Possible toll free numbers for 1 area code = 10 x 10 x 10 x 10 x 10 x 10 x 10 = 10^{7}

Since, there are 6 toll-free are codes in total, the total number of toll-free numbers for all 6 area codes = 6 \times 10^{7}

4 0
3 years ago
How would you solve:<br><br> |*| 2x + 7 = 3 |*|<br> ????
damaskus [11]
2x + 7 = 3
2x = 3 - 7
2x = -5
x = -5/2
5 0
3 years ago
Read 2 more answers
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