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skelet666 [1.2K]
3 years ago
8

Answer both for brainliest and 20 pts

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

Answer:

ed = 3

lm = 30.6

Step-by-step explanation:

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Crawling Crayfish!
boyakko [2]

Answer: Crayfish, 25 s

Step-by-step explanation:

Given

The length of race is 60 cm

Flicker gets a 10 cm head-start

Cray fish covers 6 cm in 5 s i.e. its speed is

\Rightarrow \dfrac{6}{5}=1.2\ cm/s

Flicker covers 4 cm in 5 s, its speed is

\Rightarrow \dfrac{4}{5}=0.8\ cm/s

Time taken by Cray fish to cover the race is

\Rightarrow t_1=\dfrac{60}{1.2}\\\\\Rightarrow t_1=50\ s

Time taken by flicker to cover race with 10 cm head start

\Rightarrow t_2=\dfrac{60-10}{0.8}\\\\\Rightarrow t_2=62.5\ s

Time taken by crayfish is less. Hence, crayfish wins the race

When they both covers the same distance, they tied momentarily i.e.

\Rightarrow 1.2t=10+0.8t\\\Rightarrow 0.4t=10\\\\\Rightarrow t=\dfrac{10}{0.4}\\\\\Rightarrow t=25\ s

After 25 s, they tied the race.

5 0
2 years ago
What related number sentence shows the commutative property of addition 3plus8equl12
Karo-lina-s [1.5K]
3 + 8 = 12 and 8 + 3 = 12
4 0
3 years ago
How do you find the product of -2(3.1)
Alexxandr [17]

Answer:

- 6.2

Step-by-step explanation:

The product of - 2 (3.1) is - 6.2.

Brackets mean to multiply so we have to multiply the - 2 by 3.1 which gives a result of - 6.2.

5 0
3 years ago
Hey easy question 1 x 1 ? 24 points + brainlest
alexandr1967 [171]
It’s 1




...................
3 0
3 years ago
Read 2 more answers
How would I find the diameter?
adell [148]
By measuring the width of the circle or sphere radius is half of the diameter
3 0
3 years ago
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