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denis23 [38]
3 years ago
9

May I please have help? Thank you! And can you please tell me how you got the answer? Thank you again!

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
8 0

Answer:

4.05

Step-by-step explanation:

2(1 \frac{3}{4} )

multiply the following

add the sum (3.5+0.55)

you'll get 4.05

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Can someone help me with number 8 plz
statuscvo [17]
We have the following equation:
 h (t) = - 16t ^ 2 + 161t + 128
 We substitute the value of h (t) = 170:
 170 = -16t ^ 2 + 161t + 128
 We rewrite the equation:
 -16t ^ 2 + 161t + 128 - 170 = 0
 -16t ^ 2 + 161t - 42 = 0
 We look for the roots of the equation:
 t1 = (161/32) + root (23233) / 32
 t2 = (161/32) - root (23233) / 32
 Answer:
 
The object is 170 feet off the ground at the following times:
 
t1 = (161/32) + root (23233) / 32
 
t2 = (161/32) - root (23233) / 32
7 0
3 years ago
How do the expressions 8+k2−6 and 8(k+2)−4k compare when k = 7?
Andreas93 [3]

Answer:

8+k2-6>8(k+2)-4k

Step-by-step explanation:

8+7×2-6 and 8(7+2)-4×7

8+14-16 and (56+16)-28

6 and 44

8 0
2 years ago
A bike rental shop charges $8 per hour and $4 insurance. How many hours can I rent the bike for if I have $20.
hjlf
Answer :
Two Hours

Step By Step :
20-4=16
16/8=2
6 0
3 years ago
Read 2 more answers
Helphelphelphelphelp​
VashaNatasha [74]
<h3>5:16</h3>

The ratio is supposed to be pennies to total amount of coins. The total amount of coins--including pennies--is 16. This can be proven by this equation:

5 + 6 + 5 = 16

Now you put the ratio together by taking the amount of pennies (5) and total amount of coins (16). Your ratio should look like this:

5:16

Hope I helped you out! ❤❤

4 0
3 years ago
Please hurry final examm i need help
MA_775_DIABLO [31]

Answer:

72

Step-by-step explanation:

Multiply 72 by .75 and you get 54

4 0
2 years ago
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