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Nikitich [7]
3 years ago
14

Darwin's best time for running 5000 metres is 16 minutes. He wants to run it in 15 minutes and 30 seconds.

Mathematics
2 answers:
Rudik [331]3 years ago
6 0

Answer:

3 percent

Step-by-step explanation:

convert to seconds

960 seconds to 930 seconds

30 seconds ÷ 960=3 per cent

marshall27 [118]3 years ago
4 0

Answer:

-3.125%

Step-by-step explanation:

Percentage  change = new-original/original  x 100

15.5-16= -0.5

-0.5/ 16 x100 = -3.125%

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A bowl contained 49.7 grams of salt. Then, Charlie poured in another 41.14 grams. How much salt does the bowl contain now?
professor190 [17]

Answer:

90.84

Step-by-step explanation:

49.7+41.14= 90.84

6 0
3 years ago
Larry,Moe,and tome at a pizza together. If larry ate 3/8 of the pizza, and tom ate 1/6 of it, how much did moe eat?
mariarad [96]
3/8 + 1/6 is 13/24. 24/24 -13/24 is 11/24.Moe ate 11/24.
6 0
4 years ago
You and your friend are practicing for a rowing competition and want to know how far it is to an island in the Indian River Lago
zepelin [54]

The drawing is missing, so i have attached it.

Answer:

24 yards

Step-by-step explanation:

From the image, we can see that AB and DE are both adjacent sides of their respective triangles.

While, CE and BC are both opposite sides of their respective triangles

Now, from your side, x is the distance to the island.

So, from ratio of similar triangles, we can find x.

Thus;

8/x = 3/9

Cross multiply to get;

8 × 9 = 3x

3x = 72

x = 72/3

x = 24

Thus, distance from your side to the island is 24 yards

6 0
3 years ago
7/8,42/48 determine whether each pair of ratios are equivalent ratios right yes or no
Nutka1998 [239]
Yes
7x6=42
8x6=48
Hope that helped :D
8 0
3 years ago
On a map, 1 inch equals 25 miles.Two cities are 3 inches apart on the map.What is the actual distance between the cities?
SVEN [57.7K]

Answer:

75 miles

Step-by-step explanation:

We are given the scale on the map, which is that 1 inch is 25 miles in real life. We can write that as a ratio of 1 inch: 25 miles. Now say we have two inches, then we have 50 miles because we add on another 25 miles, then we do that again and we get to 75 miles.

Another way to think about it (more complicated):

you can represent ratios as a fraction

so we do 1/25=3/x

To find x, we can do (25*3)/1 which equals 75, if you don't know what I did there then you don't know, sorry!

you can also do it in a different way

same scenario though

you represent it as a fraction

and do 1/25=3/x. We see that the ratio from 1 to 3 is multiplied by 3 so that means the ratio from 25 to x is also going to be multiplied by 3, and 25 multiplied by 3 is 75.

Please let me know if you have any questions.

5 0
3 years ago
Read 2 more answers
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