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statuscvo [17]
3 years ago
5

PRETTY PLEASE help with scientific notion questions

Mathematics
1 answer:
Blizzard [7]3 years ago
4 0
Questions 1 and 2 are correct.

Question #3 is A

Question #4 is C

Question #5 is C
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The equation (x – 5)^2 + (y – 7)^2 = 81 models the position and range of a cellular phone tower. What is the range of the tower?
LiRa [457]

Answer:

In interval form range is [-2,16]

Step-by-step explanation:

Here we can see that given equation is circle

whose center is (5,7 ) and radius is 8 ,

Range of the circle is actually values of y it changes from

if (h,k) is the center and r is the radius of circle then range is given by

                     k-r     ≤y ≤ k+r

here in the question k = 7 and r =9

therefore  range is

       7-9     ≤y ≤ 7+9

          -2  ≤y ≤ 16

In interval form [-2,16]

4 0
3 years ago
What's the difference between 16 feet and 12 feet?
kolezko [41]
The difference between 16 and 12 feet is 4 feet, or 48 inches
8 0
2 years ago
Read 2 more answers
Evaluate the expression P(1+r/n)^nt when p=$5,000, r=0.03, n=4, and t=10
dybincka [34]

Answer:

5,0

Step-by-step explanation:

........

..........

6 0
3 years ago
Read 2 more answers
Lucy has nine black marbles, ten clear marbles, and two blue marbles in a bag.
IceJOKER [234]

Answer:

3/7

Step-by-step explanation:

To find the probability of choosing a black marble you would have the number of marbles in total as the denominator and the number of black marbles as the numerator and simplify.

Hope it helps

7 0
3 years ago
The length of a rectangular frame is 4 cm more
iogann1982 [59]

Answer:

Width=43

Step-by-step explanation:

L=4+w

P= 4+4+w+w+w+w

P=180

180=8+4w

-8     -8

172=4w

/4     /4

43=w

3 0
3 years ago
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