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Misha Larkins [42]
3 years ago
12

the diameter of US penny is three fourths of an inch how many pennies would it take to make a row of 42 inches long

Mathematics
1 answer:
wolverine [178]3 years ago
3 0
42 / (3/4) =
42 * 4/3 =
168/3 = 
56 <===
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There are 12 participants running in a 110m hurdles race. How many ways are there to award a gold, silver, and bronze medal?
prohojiy [21]

Answer:

220 ways

Step-by-step explanation:

The order matters because there's going to be a first, second, and third place.

So, 12P3=12!/(12-3)!*3!=12!/9!*3!=12*11*10*9!/9!*3!=12*11*10/6=220

Therefore, 220 ways

8 0
3 years ago
jason cycled for 3 hours. He cycled 7 1/2 miles each hour for the first 2 hours and the distance he cycled for the 3rd hour was
11111nata11111 [884]
7 1/2 * 2 = 15

The 3rd hour was 1/4 of the total distance in 3 hours. 

1/4 = 0.25 as a decimal, and 25% as a percent. 

15 (0.25) = 3.75
15 + 3.75 = 18.75

0.75 = 3/4 as a fraction.

So, he cycled 18 3/4 miles in 3 hours. 

I hope this helps, and I am sorry if I get this question wrong. (which is in all likelihood)

5 0
3 years ago
Read 2 more answers
Which of the following best describes the relationship between ABCD EFGH?
lutik1710 [3]

Answer:

B

Step-by-step explanation:

A tesselation uses 1 shape to create an image by translating it or reflecting it. The shape is translated in this scenario so they are congruent from a translation (they are in the sam orientation unlike reflections)

4 0
3 years ago
Ayudeme a resolver y poner signo positivo y negativo
Lina20 [59]

Debido a restricciones de extensión y la características del ejercicio, recomendamos leer la explicación de esta pregunta para mayores detalles sobre la adición de números <em>enteros</em>.

<h3>¿Cuáles son los resultados de cada suma?</h3>

En este ejercicio tenemos un grupo de sumas con números <em>enteros</em> <em>positivos</em> y <em>negativos</em>, en las cuales se prueba la capacidad del estudiante para realizar varias operaciones en serie (adición, sustracción) y comprender las diferencias entre números <em>positivos</em>, <em>negativos</em> y <em>neutros</em>. Ahora procedemos a determinar el resultado de cada una de las expresiones:

20 + 50 + 30 + 7 = 107

30 + 5 + 2 = 37

- 200 - 50 - 70 - 8 = - 328

- 500 + 100 - 20 + 50 = - 370

10 - 5 = 5

20 + 50 - 25 - 10 = 35

- 100 + 20 = - 80

- 30 + 5 + 4 - 20 + 8 = - 33

- 258 + 8 = - 250

- 10 + 20 + 520 - 100 + 8 = 438

- 20 - 5 - 42 + 3 = - 64

1000 - 200 + 50 + 30 - 45 + 75 - 87 + 90 + 50 - 100 + 50 - 10 = 903

- 400 + 500 - 200 - 50 + 48 + 8 - 47 - 50 = - 191

300 + 20 - 50 + 30 - 84 + 35 - 7 + 20 - 40 + 10 - 45 + 65 + 8 - 55 = 207

800 + 50 - 69 + 8 - 35 + 85 - 54 + 40 + 85 + 74 - 32 - 8 + 65 - 27 = 982

Para aprender más sobre sumas: brainly.com/question/1456841

#SPJ1

4 0
1 year ago
Please look at picture attached! i will mark you brainlyest if right!
katrin2010 [14]
Amp is the number in front of sine so its 1/2 aka D :)
8 0
2 years ago
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