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Taya2010 [7]
3 years ago
15

Evaluate 8x when x = 3.12​

Mathematics
1 answer:
AURORKA [14]3 years ago
4 0

Answer:

24.96

Step-by-step explanation:

When you do 8 times 3.12, because 8x (8 times x), you would get 24.96.

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the percent p of the u.s. population with internet access is given by 25p-34t=1378 where t is the number of years after 1990. wh
Mashutka [201]

Answer:

  • Hence, 75.52 percent of the u.s. population had internet access in 2005.
  • After 25 years or in the year 2015 89% have internet access.

Step-by-step explanation:

the percent p of the u.s. population with internet access is given by:

25 p-34 t=1378

where t is the number of years after 1990.

  • We are asked to find  what percent of the u.s. population had internet access in 2005 i.e. we need to find the value of p after 15 years i.e. t=15.

⇒  25p-34×(15)=1378

⇒  25p-510=1378

⇒  25p=1378+510

⇒  25p=1888

⇒  p=75.52

Hence, 75.52 percent of the u.s. population had internet access in 2005.

  • Next we are asked to find in what year will 89% have internet access?

i.e. we have to find the value of t when we are given p=89

⇒  25×89-34t=1378

⇒  2225-34t=1378

⇒  2225-1378=34t

⇒  847=34t

⇒  or 34t=847

⇒  t=24.9112≈25

Hence after 25 years 89% will have internet access.

i.e. in the year 2015 89% will have internet access.



3 0
3 years ago
The next model of a sports car will cost 14.2% less than the current model. The current model costs $34,000. How much will the p
prohojiy [21]

Answer: = $29172

Step-by-step explanation:

34,000 - 14.2% = $29172

4 0
3 years ago
Francisco is building a window seat below a bay window in the shape of an isosceles trapezoid. His blueprint for the window seat
Lera25 [3.4K]

Answer:

A

Step-by-step explanation:

I think it is a because if you mutiply and you will get your answer

6 0
3 years ago
Read 2 more answers
2y = 4x + 8 4y = 4x + 20
mars1129 [50]
<span>2y = 4x + 8  ------> y = 2x + 4
 4y = 4x + 20 ------> y = x+5

2x+4 =x+5
x = 1
y=x+5=1+5=6

Check:
</span>2*6 = 4*1 + 8 , 12 =12 
 4*6 = 4*1 + 20, 24 =24<span>

x=1,y=6
(1,6)
</span>

6 0
3 years ago
Read 2 more answers
Brainliest, hurry! Thank you so much! :D
Free_Kalibri [48]

Answer: 20/4.

Step-by-step explanation: As we can see, the number line is cut up into fourths.  4 fourths make a whole, so 20 fourths make 5.  Therefore, 5 in a fractional form for this number line is 20/4.

Have a great day! :)

5 0
2 years ago
Read 2 more answers
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