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pav-90 [236]
3 years ago
15

The distance between Maria’s house and her school is 650 meters. The distance between her bus stop and school is 400 meters. Mar

ia walks to the bus stop every morning. What is her average speed if it takes her 10 minutes to walk to the bus stop?
Mathematics
1 answer:
Anton [14]3 years ago
5 0
Distance from Home to school = 650m
Distance from the Bus stop to school = 400m

Here we need to find the distance from Home to the Bus stop , so we know the distance will be shorter :
650-400= 250m

2)To convert minutes to hours , we divide by 60 :

Time= 10min /60= 0.166
Speed= 250/0.166 = 1506.02mph

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miss Akunina [59]

Answer:

15cents.

Step-by-step explanation:

The cost of yogurt is $0.75

20% of this amount is the profit to the company

Profit = \frac{20}{100} * 0.75

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So the profit to the company is 15cents.

7 0
3 years ago
5c squared- d squared+3/2c - 4d...c= -1. d= -4​
riadik2000 [5.3K]

For this case we have the following expression:

5c ^ 2-d ^ 2 + \frac {3} {2} c-4d

We must find the value of the expression when:

c = -1\\d = -4

Substituting we have:

5 (-1) ^ 2 - (- 4) ^ 2 + \frac {3} {2} (- 1) -4 (-4) =\\5 (1) -16- \frac {3} {2} + 16 =\\5-16- \frac {3} {2} + 16 =\\-11- \frac {3} {2} + 16 =\\- \frac {25} {2} + 16 =\\\frac {-25 + 32} {2} =\\\frac {7} {2}

Finally, the value of the expression is:

\frac {7} {2}

ANswer:

\frac {7} {2}

5 0
3 years ago
Build the greatest number less than 700 that has 9 in the tens place and different digits in each of the other places
suter [353]
I think the greatest number less than 700 with 9 in the tens place and different digits in each of the other places is 698.
I chose 6 to be in the one of hundreds place because it is the greatest number that is less than 7 in the hundreds place. I also chose 8 to be in the ones place because it is different from 6 and 9 and the greatest number in the ones place that is not 9.
8 0
3 years ago
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A company is setting up offices in two different cities. The number of employees hired by the company for its office in city A o
labwork [276]
For this case we have the following functions:
 City A:
 f (x) = 9x
 City B:
 g (x) = 3 (2) ^ x
 The total number of employees will be:
 h (x) = f (x) + g (x)
 Substituting we have:
 h (x) = 9x + 3 (2) ^ x
 Rewriting we have:
 h (x) = 3 (3x + (2) ^ x)
 For 5 months we have:
 h (5) = 3 * (3 * (5) + (2) ^ 5)
 h (5) = 141
 Answer:
 the total number of employees in the company over x months and the total number of employees will be 141 when the function is:
 h (x) = 3 (3x + (2)^x); 5 months
3 0
3 years ago
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6x−36x2/ 6x simplified
jok3333 [9.3K]

Answer:

1x-72

Step-by-step explanation:

-36x2= -72

6x-72/6x

6x/6x=1x

1x-72

6 0
3 years ago
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