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Ostrovityanka [42]
2 years ago
14

Nina and Ryan each ran at a constant speed for a 100-meter race. Each runner’s distance fro the same section of the race is disp

layed on the left. Who had a head start, and how big was the head start?
Mathematics
2 answers:
tester [92]2 years ago
6 0

Answer:

Ryan for first box 10 for second

Step-by-step explanation:

sergey [27]2 years ago
5 0

Step-by-step explanation:

Ryan had a head start of 10 meters.

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Se distribuyen 400 bolsas en tres urnas sabiendo que la primera tiene 80 menos que la segunda y esta tiene 60 menos que la terce
laiz [17]

Answer:

Primeras urnas = 60 bolsas

Segundas urnas = 140 bolsas

Terceras urnas = 200 bolsas

Step-by-step explanation:

Deje que las urnas se representen de la siguiente manera

Primeras urnas = a

Segundas urnas = b

Terceras urnas = c

Se nos dice en la pregunta

400 bolsas se distribuyen en tres urnas

Por lo tanto,

a + b + c = 400 bolsas ......... Ecuación 1

Por la pregunta sabemos que

1) El primero tiene 80 menos que el segundo

a = b - 80

2) Y este segundo tiene 60 menos que el tercero

b = c - 60

Por tanto, c = b + 60

Por lo tanto, sustituimos b - 80 por ayb + 60 por c en la Ecuación 1

a + b + c = 400 bolsas ......... Ecuación 1

b - 80 + b + b + 60 = 400 bolsas

Recopilar términos similares

b + b + b - 80 + 60 = 400 bolsas

3b = 400 + 80 - 60

3b = 420

b = 420/3

b = 140 bolsas

Por lo tanto, el número de bolsas en la segunda urna = 140 bolsas

Dado que a = b - 80

a = 140 bolsas - 80

a = 60 bolsas

Por lo tanto, el número de bolsas en la primera urna = 60 bolsas

Dado que c = b + 60

b = 140 bolsas

c = 140 + 60

c = 200 bolsas.

El número de bolsas en las terceras urnas = 200 bolsas.

4 0
2 years ago
Ronelle asked 100 students to choose their favorite subject from among mathematics, history, and art. She found that 22 students
gayaneshka [121]
Number of students that chose art = 100-(22+26) = 100- 48 = 52

so percentage of students who chose art = 52%
6 0
1 year ago
Read 2 more answers
A deli offers lunch special that comes with soup a sandwich and a dessert the soup choices are tomato or onion the sandwich choi
stich3 [128]
So to solve this you would make a tree with the first soup choices branching off into the other choices. Then when you wrote down all the possibilitys you would count all them and get your answer or you could just do 2*4*2=16
<span> so there would be 16 possibilitys </span>
6 0
2 years ago
a rectangle rug has a perimeter of 146 ft the width of the rug is 5 feet more than three times the length find the length and th
dem82 [27]

Answer:

The length = 56 feet and the width = 17 feet.

Step-by-step explanation:

We can set up 2 equations to solve this. Let the length of the rug be x, then

x = 3w + 5    where w = the width.   ( looks like you got the width and the length mixed up. The length is the longest side)

The perimeter = 2x + 2w = 146 so we have the 2 equations:

x = 3w + 5

2x + 2w = 146

Now we substitute for x in the second equation:

2(3w + 5) + 2w = 146

6w + 10 + 2w = 146

8w = 136

w = 17 feet,

and x = 3(17) + 5 =  56 feet.

7 0
1 year ago
Read 2 more answers
Titus works at a hotel. Part of his job is to keep the complimentary pitcher of water at least half full and always with ice. Wh
sertanlavr [38]
The Answer is 160 minutes

8 0
2 years ago
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