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Serjik [45]
3 years ago
14

5:12 can be written as an equivalent ratio in the form 20:a what is the value of a

Mathematics
1 answer:
IgorC [24]3 years ago
5 0

Answer:

20:a , a=48

Step-by-step explanation:

5*4=20, 12*4 = 48

Simple mathematics, you multiple 5 by 4 to get 20, do the same thing to 12.

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13 is 26% of what number
HACTEHA [7]
26% × 13 

26% ÷ 100 = 0.26 

Then, 0.26 × 13 = 3.38 

Therefore, your answer is → 3.38 

3 0
3 years ago
If sec 48 = 1.4945, find csc 42
Grace [21]
Because cos(x) = 1/sec(x), therefore
cos(48) = 1/1.4945 = 0.6691

The angle 48° is in quadrant 1, therefore cos, sin, tan, sec, csc and cot functions are all positive.

Note that sin(90° - x) = cos(x).
Therefore
sin(90 - 48) = cos(48)
sin(42°) = cos(48°) = 0.6691

Because csc(x) = 1/sin(x), therefore
csc(42°) = 1/sin(42°) = 1/0.6691 = 1.4945

Answer:  1.4945
3 0
3 years ago
What time is 7 1/2 hours before 2:12
Artist 52 [7]
6:42 pm bc subtract 2 hours is 12:12am and then subtract the rest is 7:12pm then you subract 12 minutes is 7 pm the subtract the 18 minutes left is 6:42 pm
3 0
3 years ago
Read 2 more answers
The graph shows the number of patients seen by a doctor on Tuesday.
MariettaO [177]
B. 4 patients per hour
6 0
3 years ago
2(5x + 4) = 8<br> 10x + 8 = 8<br> -[?] - [ ]
GarryVolchara [31]

Answer:

-5-2

Step-by-step explanation:

10*+8=8

-5-2

big one is a great place to be written and then we are going to be able hi I love the way your house for me either ir you are you excited hi I love thet are ready for the good of the good

4 0
2 years ago
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