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Keith_Richards [23]
2 years ago
13

Sandra runs A new personal best in the hundred meter dash her average speed is 7.4 m/s how long to the nearest hundredth does it

take her to run the race
Mathematics
1 answer:
ozzi2 years ago
6 0

Answer:

13.51\ \text{s}

Step-by-step explanation:

s = Average speed of Sandra = 7.4\ \text{m/s}

d = Distance Sandra ran = 100\ \text{m}

Time is given by

t=\dfrac{d}{s}

\Rightarrow t=\dfrac{100}{7.4}

\Rightarrow t=13.51\ \text{s}

The time it takes Sandra to run the given distance is 13.51\ \text{s}.

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espero que haya ayudado, por favor, marcame el cerebro.

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5 0
3 years ago
Rina wants to ride the bumper cars 1 time and the Ferris wheel 5 times. It costs 1 ticket to ride the bumper cars and 1 ticket t
Lana71 [14]

Answer:

Rina will need 6 tickets.

Explanation:

Rina needs only 1 ticket to ride the ferris wheel once, and 1 ticket to ride the bumper cars once. If she wants to ride the ferris wheel 5 times, then she'll need 5 tickets since 1 x 5 = 5. If she wants to ride the bumper cars only once, she'll only need 1 ticket since 1 x 1 = 1.

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Hope this helps! :)

4 0
3 years ago
Simplify -12+8+5+(-9)​
Zinaida [17]
FIRST Remove parentheses.
−12+8+5-9

Simplify -12+8 to -4

-4 + 5 — 9

Simplify
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3 0
3 years ago
Read 2 more answers
A number between 61-107 and are multiples of 3,8,12
Sergeu [11.5K]
72 is the answer you are looking for here

3 0
3 years ago
3 is a factor of__ A)282 B)187 C)385 D)412​
MrRissso [65]

Answer:

A. 282

Step-by-step explanation:

A trick I know is if you add all the digits of the number and they add up to a multiple of 3, it is divisible by 3.

282:

2 + 8 + 2 = 12

187:

1 + 8 + 7 = 16

385:

3 + 8 + 5 = 16

412:

4 + 1 + 2 = 7

7 0
2 years ago
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