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lubasha [3.4K]
3 years ago
10

Please help! I need answers!

Mathematics
1 answer:
mihalych1998 [28]3 years ago
7 0

Answer:

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Step-by-step explanation:

the image is blurry

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Which fraction is multiple of 1/10
garik1379 [7]
2/20 thats one i got for now
3 0
3 years ago
Find, as a ratio, the scale of a map given as 2cm to 1km. If two towns are 23.4cm apart on the map, what is the actual distance
Rina8888 [55]

Answer:

The actual distance is 11.7km

Step-by-step explanation:

2cm = 1km

1cm = 0.5km

23.4cm = ?

23.4 × 0.5 = 11.7km

(Correct me if i am wrong)

8 0
3 years ago
A fisherman can row upstream at 5 mph and downstream at 10 mph. He started rowing upstream until he got tired and then rowed dow
goblinko [34]

Answer:

We have been given that the upstream speed is  and the down stream speed is .

Let the fisherman traveled a distance of x miles.

The total time of the trip is 6 hours.

Relations between speed (s), time (t) and distance (d) is  

Hence,  

Time upstream +  time downstream = 6

lcm = 10

=>  

Cross multiplying,  

x = 20 miles .. Answer.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Given △ABC, AB=15, BD=9, AD ⊥ BC , m∠C=30° Find: The perimeter of △ABC.
Ann [662]

Answer:

48 + 12√3 units

Step-by-step explanation:

ALL LENGTHS MUST BE POSITIVE (I did this to avoid writing ± and showing that only + works)

1. Find AD (you'll find why later): 15² = 9² + AD² --> AD² = 144 --> AD =  12

2. 30-60-90: 12-DC-AC --> AC = 24, DC = 12√3 (side opposite of 90 is double side opposite of 30, side opposite of 60 is √3 times the opposite of 30)

P = AB + BD + DC + AC = 15 + 9 + 12√3 + 24 = 48 + 12√3 units

7 0
3 years ago
If f(x) =15-4(x+3), what is f(-4)?<br>​
tresset_1 [31]

Answer:

19

Step-by-step explanation:

f(-4) = 15-4((-4)+3)

       = 15-4(-1)

       = 15-(-4)

       =15+4

4 0
3 years ago
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