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JulsSmile [24]
2 years ago
8

A runner increased his average speed from 250 to 300 m/min, and he

Mathematics
1 answer:
Fittoniya [83]2 years ago
8 0
Average speed = 300 m/min
Time = 1 min
Distance = Average speed x Time
Distance = 300 m/min x 1 min
Distance = 300 m
Hope this help <3
Help me and mark my answer as brainliest plz
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You make punch for a party. The ratio og ginger ale to fruit juice is 8 cups to 3 cups. You decide to add 4 more cups of ginger
Dvinal [7]
To get the answer we can use proportion
8 ginger ----------------- 3 fruit
12 ginger ----------------x
Crossmultiply now
8x=12*3                /:8
x=\frac{12*3}{8}
x=<u />\frac{36}{8}  \\ x=4.5
To not change ratio we have to have 4.5 cups of fruilt juice. We initialy had 3, so we have to add 1.5 cup of fruit juice.
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3 years ago
NEED HELP ASAP!! PLEASE HELP!
Darya [45]
The second one is correct
7 0
3 years ago
Find the length of a side of a square if its área is 4/25 cm2
USPshnik [31]

Answer:

2/5cm or 0.4cm

Step-by-step explanation:

Area of square = Side^{2}

Thus, Side = \sqrt{Area}

= \sqrt{4/25}

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4 0
3 years ago
Select the three ratios that are equivalent to 3 boys/5 girls.
Stels [109]

\dfrac{3\ boys}{5\ girls}\to\dfrac{3}{5}\\\\\dfrac{8}{10}=\dfrac{8:2}{10:2}=\dfrac{4}{5}\\\\\dfrac{15}{25}=\dfrac{15:5}{20:5}=\dfrac{3}{5}\\\\\dfrac{9}{15}=\dfrac{9:3}{15:3}=\dfrac{3}{5}\\\\\dfrac{30}{50}=\dfrac{30:10}{50:10}=\dfrac{3}{5}\\\\Answer:\\\\\boxed{\dfrac{3\ boys}{5\ girls}=\dfrac{15\ boys}{25\ girls}=\dfrac{9\ boys}{15\ girls}=\dfrac{30\ boys}{50\ girls}}

6 0
3 years ago
Read 2 more answers
8x-11=37 what does x equal
Doss [256]

Answer:

x=6

Step-by-step explanation:

8x-11=37

Add 11 to both sides

8x=48

Divide 8 from both sides

x=6

8 0
3 years ago
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