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Shkiper50 [21]
2 years ago
12

Whoever helps gets brainliest!

Mathematics
2 answers:
lisov135 [29]2 years ago
4 0
<h3>Answer:</h3>

4 miles per hour

<h3>Step-by-step explanation:</h3>

Unit rate is the rate of something per 1 unit. In other words, the unit rate is x units per 1 unit. In this situation, the unit rate is how many miles Hassan walks in 1 hour.

Proportion

First, to find the rate of anything we can set up a proportion. In the question, the rate is described as miles per hour, so the miles will be the numerator and the hours will be the denominator.

  • This creates the proportion \frac{12miles}{3hours}

So, the rate we are given is 12/3.

Unit Rate

To find the unit rate we need to make the denominator equal to 1. To do this, divide both the numerator and denominator by 3.

  • 12/3 equals 4
  • 3/3 equals 1

So, this means that the new proportion is 4/1. Next, we can add our units, which means that Hassan walks 4 miles per 1 hour.

Graph

Now we can resize the bar graph. The purple bar should be set to 4 because this represents the miles. Then, the green bar should be set to 1 because it represents the hours.

wariber [46]2 years ago
3 0
The answer is 4 miles per hour
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Answer:

It is the first one

Step-by-step explanation:

Hi, it is the first one because there is 4 - 1/2 3 - 3/4 and 2 - 1/4

4 0
2 years ago
In the triangle, find x, y, u, v
igomit [66]

x=9 units, y=12 units, u=24 units and v=32 units

Step-by-step explanation:

The question is on similarity.

The ratio of corresponding sides should be equal for the triangles to be similar.

Finding x

20/5=(3+x )/3

apply cross product

60=15+5x

60-15=5x

45=5x

45/5=x

9=x

Finding y

20/5=(4+y)/4

Apply cross product

80=20+5y

80-20=5y

60=5y

60/5 =y

12=y

Finding u after replacing values of x and y

60/20 = (12+u)/12

perform cross product

720=240 +20 u

720-240 =20u

480 =20 u

480/20 =u

24 =u

Finding v after replacing values of x and y

60/20 = (16+v)/16

perform cross product

960=320+20v

960-320 = 20v

640=20v

640/20 =v

32= v

Learn More

Ratio of sides in similar triangles :brainly.com/question/11717086

Keywords ; triangle, find, x,y,u,v

#LearnwithBrainly

8 0
4 years ago
Find the missing side round to the nearest tenth
Lilit [14]
That is a 45 degree angle on the side
7 0
4 years ago
Steak cost $3.85 per pound if you buy a 3 pound steak and pay for it with a $20 bill how much change will you get ?
Pie

Answer:

$ 8.45

Step-by-step explanation:

3.85 * 3 = 11.55

20 - 11.55 = 8.45

3 0
3 years ago
Read 2 more answers
Which system of inequalities represents region Z?
ANTONII [103]

Answer:

The system of inequalities is

y\geq 3x-2

y

Step-by-step explanation:

step 1

Find the equation of the solid blue line

Let

A(0,-2), B(1,1)

Find the slope of AB

m=(1+2)/(1-0)=3

The equation of the line into slope intercept form is equal to

y=mx+b

we have

m=3

b=-2 ----> the point A is the y-intercept

substitute

y=3x-2 -----> equation of the solid blue line

The solution of the inequality is the shaded area above the solid line

therefore

The first inequality is

y\geq 3x-2

step 2

Find the equation of the dashed red line

Let

C(0,2), D(5,1)

Find the slope of CD

m=(1-2)/(5-0)=-1/5

The equation of the line into slope intercept form is equal to

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m=-1/5

b=2 ----> the point C is the y-intercept

substitute

y=-(1/5)x+2 -----> equation of the dashed red line

The solution of the inequality is the shaded area below the dashed line

therefore

The second inequality is

y

The system of inequalities is

y\geq 3x-2

y

8 0
3 years ago
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