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Mashutka [201]
3 years ago
9

Please answer all questions ASAP. Don’t mind the answers, i think i’m not right. TIA

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

Answer:

1. 1.6

2. 1.5

3.1.3

dmitriy555 [2]3 years ago
3 0

Answer:

20. 50 mph. 21. 0 mph. 22. 60 mph. 23. 50 mph

Step-by-step explanation:

20. 150 Miles / 3 Hrs = 50 mph

21. No travel from hours 3 to 4, so 0 mph.

22. 300 Miles / 5 Hrs = 60 mph

23. 450 Miles / 9 Hrs = 50 mph

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Find the quotient.<br> 0.42<br> -0.7<br><br><br> HELP PLEASE
Simora [160]

Answer:

-0.28

Step-by-step explanation:

6 0
3 years ago
You unfold chicken wire to make a circular pen. The area of the pen is 78.5 square meters. How many meters of chicken wire do yo
Lelu [443]
Circular pen means you are going to use Area = Pi(r^2). 

So 78.5 = pi(r^2). Divide by pi on both sides to get r^2 = 78.5/pi. Take the square root of that to get r or radius = approximately 4.99. If you need an exact answer then use \sqrt{ \frac{78.5}{ \pi } } for the next part because you are not done yet.

Plug whatever R you use into the circumference formula of Circumference = 2(pi)(r).

If you use 4.99, you do 2(pi)(4.99) which is approximately 31.35. If you use the exact answer, you do 2(pi)(\sqrt{ \frac{78.5}{ \pi} }) which gives you approximately 31.41. 

Either way you'll need about 31 meters of chicken wire but the 31.40796 or ~31.41 is closer to the exact answer. 
8 0
3 years ago
Plz help!<br> solve for p
Ganezh [65]

Answer:

p = - 5i or p = 5i

Step-by-step explanation:

Noting \sqrt{-1} = i

Given

p² = - 25 ( take the square root of both sides )

p = ± \sqrt{-25} = ± \sqrt{25(-1)} = ± 5i

Thus

p = - 5i or p = 5i

4 0
3 years ago
Read 2 more answers
What is the range of f(x) = 3x + 9?
11Alexandr11 [23.1K]
There is no restriction upon the domain, the x values, and is all real numbers or (-oo,+oo)

From such it is clear that the domain also contains all real numbers.

The range of f(x) is (-oo,+oo)
8 0
3 years ago
2 1/2 + (-1/3)<br> PLz, help me with this question.
dem82 [27]

Answer:

2 1/6

Step-by-step explanation:

7 0
3 years ago
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