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podryga [215]
2 years ago
10

37 The distance between two cities on a map is 3.5 centimeters. The map uses a scale in which

Mathematics
1 answer:
Minchanka [31]2 years ago
6 0

Answer:

70\ \text{kilometers}

Step-by-step explanation:

The scale of the map is 1 centimeter distance on the map represents 20 kilometers of actual distance.

The distance between the two cities is 3.5 centimeters on the map

1\ \text{centimeters on the map}=20\ \text{kilometers of actual distance}

So,

3.5\times 20=70\ \text{kilometers}

So, the distance between the two cities is 70\ \text{kilometers}.

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Sumi rides at a constant speed of 10 ft/s. Write an equation that expresses the distance d that sumi has traveled as a function
Shtirlitz [24]

Answer:

d = 10s

Step-by-step explanation:

The formula for calculating the speed of Sumi is expressed as;

Speed = distance/time

Given

Speed = 10ft/s

time = s seconds

Required

Distance travelled as a function of time;

from the formula;

Distance = Speed * time

Distance = 10 * s

d = 10s

Hence the equation that expresses the distance d that sumi has traveled as a function of the time s in seconds since she started riding her bike is;

d = 10s

3 0
3 years ago
What is 1 divided by 5^-2? Please give clear explanation. thanks.
Pani-rosa [81]
1 / 5^-2

First, let's work out the denominator.
5^ -2 = 1/25. When an exponent is negative, it means to put a 1 over the product. Like we did earlier.

Now we have 1 / (1/25). 

1 / (1/25)
Divide 1 by 25.
1 / 0.04
Divide 1 by 0.04
25

The answer is 25!

Now if you make this answer as the Brainliest I will appreciate it very much. And for a limited time answer, and no scam or joke,  you will receive your very own flying space ship! No scam at all! Try it. Just press the mark as Brainliest and watch your spaceship land in your backyard! But seriously I will appreciate it if you mark this answer as the Brainliest.
7 0
2 years ago
Classify the following system of equations.
zubka84 [21]

Answer:

B) consistent, dependent

Step-by-step explanation:

The given system is

45x - 30y = -90

-12x + 8y = 24

Let us make y the subject in both equations to get:

Top equation

y =  \frac{3}{2}y + 3

Bottom equation

y =  \frac{3}{2}x + 3

We can see that both equations are identically the same.

There is going to be infinitely many solutions.

We say the system is consistent and dependent.

The correct choice is B

4 0
3 years ago
Select the correct answer.
Nat2105 [25]
The answer is C.2 that is the answer
4 0
2 years ago
Read 2 more answers
Carl worked six and one-half hours on Monday. He worked eight and two-third hours on Tuesday. How many hours did Carl work in al
Gnoma [55]

Answer: 15 hours and 37 minutes


Step-by-step explanation: 6 and 1/2 hours is 6 hours and 30 mins

8 and 2/3 hours is 8 hours and 67 mins


So 8 hours + 6 hours is 14 hours


Since 67 minutes is over an hour, we're going to take 60 minutes from 67, leaving u with 7 minutes


Add the 60 minutes to the 14 hours and you get 15 hours.


Take the 7 minutes and add it to the 30 minutes and you get 37 minutes.


All together the answer is 15 hours and 37 minutes


7 0
3 years ago
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