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olchik [2.2K]
3 years ago
9

Helpp

Mathematics
1 answer:
Kamila [148]3 years ago
8 0
We will use Pythagorean Theorem:
HC^2=20^2-12^2=400-144=256
HC=\sqrt{256}=16
HD^2=16^2-14^2=256-196=60
HD=\sqrt{60}=7.7459
Answer: HD=7.7 in.
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Timmy is building a new website. Right after he starts, he has 2 visitors. He expects his visitors to increase according to a mo
Alex73 [517]

Answer:

He gets 42 visitors 4 weeks after starting to build his website.

He gets 10 new visitors per week.

Step-by-step explanation:

Equation for the number of visitors:

The equation for the number of visitors Timmy's new website receives after t weeks is:

v(t) = 10t + b

In which b is the number of visitors rightly after he starts.

Timmy is building a new website. Right after he starts, he has 2 visitors.

This means that b = 2, so:

v(t) = 10t + 2

How many visitors does he get 4 weeks after starting to build his website?

This is v(4). So

v(4) = 10(4) + 2 = 40 + 2 = 42

He gets 42 visitors 4 weeks after starting to build his website.

How any new visitors does he get per week?

After 0 weeks:

v(0) = 10(0) + 2 = 0 + 2 = 2

After 1 week:

v(1) = 10(1) + 2 = 10 + 2 = 12

2 weeks:

After 2 week:

v(2) = 10(2) + 2 = 20 + 2 = 22

22 - 12 = 12 - 2 = 10

He gets 10 new visitors per week.

5 0
3 years ago
Which values are solutions of the inequality 5 &lt; y -8<br><br>8 , 9. , 13. , 15. , 20
Sladkaya [172]

Answer:

5 is greater than y-8 since 5 is positive it + in the begging +5 while - 8 is less than 0 because it has - in the begging

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3 years ago
COLLE
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4 years ago
Solve the literal equation a+4b=5b-3a solve for a
ahrayia [7]
A= 0.25 or 1/4
Hope this helps:)
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3 years ago
How many solutions does the following equation have?<br> -7x-10-15x=-22x+83
Vlada [557]

Answer:

-22x-10=-22x+83

=-22x-10=-22x+83

=-10=83

x€⊙

4 0
3 years ago
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