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Luba_88 [7]
3 years ago
8

A camera attached to a telescope photographs a stars image once every .045 seconds. How many complete images can the camera capt

ure in 3 seconds?
Mathematics
1 answer:
padilas [110]3 years ago
4 0
Writing and solving an equation of ratios would seem to be the best way to go.

0.045 sec       3 sec
------------- = ------------
1 image           x

Then 0.045x = 3, and x = 66 2/3 images, best rounded down to  66 images.

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Amir has $200 budget to spend on a graduation party for his son he already has purchased $122 worth of drinks and party supplies
Bas_tet [7]

Answer: C, D, and E

Step-by-step explanation:

200-122=78 remaining

A: 7*11.75= 82.25

B: 10*11.75= 117.50

C: 9*6.80=61.20

D: 11*6.80=74.80

E: 70*1.10=77.00

F: 71*1.10=78.10

Only C, D and E are below the dollars remaining in the budget.

5 0
3 years ago
Andrea calls two truck rental companies to compare costs. Action trucks charges $80 for the day plus $0.22 per kilometer and tru
Amanda [17]

Answer:it will take 200 kilometers for the costs to be the same.

Step-by-step explanation:

Let x represent the number of kilometers that Andrea would have to drive for the total cost of renting from both companies to be the same.

Action trucks charges $80 for the day plus $0.22 per kilometer. It means that the total cost of x miles would be

80 + 0.22x - - - - - - - - - 1

Truck experts charges $100 for the day plus $0.12 per kilometer. It means that the total cost of x miles would be

100 + 0.12x - - - - - - - - - 2

Therefore, for the cost of renting from both companies to be the same,

80 + 0.22x = 100 + 0.12x

0.22x - 0.12x = 100 - 80

0.1x = 20

x = 20/0.1 = 200

4 0
3 years ago
What is the solution of the equations y=-x and y=-14X+1?
oksano4ka [1.4K]
The solution as in where do they intersect? if so, it would be 0.0769 and -0.0769
4 0
3 years ago
The circumference of a bike tire is 84 inches what is the diameter
I am Lyosha [343]

Answer:

26.75 or 26.75156923

Step-by-step explanation:

Circumference formula:

C =Лd

Diameter formula:

d=c/Л

Substitute C for 84 and Л for 3.14:

d=84/3.14

Solve for Diameter:

d=26.75

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