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kotykmax [81]
3 years ago
7

Lyra and Donna are testing the two-way radios they built for their high school science project. Lyra goes to the top of a buildi

ng that is 22 meters high with one of the radios and stands directly above the building’s entrance. Donna walks out of the entrance, perpendicular to the building, with the other radio. If Donna is more than 50 meters from the entrance, the connection between the radios breaks. What is the range of communication for the two radios to the nearest meter?
50 meters



55 meters



62 meters



72 meters
Mathematics
2 answers:
olasank [31]3 years ago
7 0
Use pythagoras theorem 

range = sqrt (50^2 + 22^2)
          = sqrt (284)
            =  54.62

= 55 metres to the nearest meter
deff fn [24]3 years ago
7 0

Answer:

55

Step-by-step explanation:

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Each parking space will be 19 feet by 8 feet. what is the maximum number of parking spaces that will fit in the lot? 10 30 35 40
vladimir1956 [14]

The maximum number of parking spaces that will fit in the lot given the area of the parking lot is 30.

<h3>what is the maximum number of parking spaces that will fit in the lot? </h3>

The parking lot has the shape of a rectangle. The area of a rectangle is length x width

The area of the available parking space =  length of the lot - [width of the lot - (width of the alley x 2)

80 x (77 - 10 - 10) = 4560 ft²

Maximum number of parking spaces = 4560 / (19 x 8) = 30

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4 0
2 years ago
Mark reads 42 pages of a book every 3/4 hour. Write an equation that models the relationships between x, the number of hours Mar
Illusion [34]

Answer:

The equation that models the relationships between x, the number of hours Mark reads, and , y the number of pages of the book he reads is:

y=56x

Step-by-step explanation:

Given:

Mark reads 42 pages every \frac{3}{4} hour.

The number of hours is given by = x

The number of pages is given by =y

The equation can be modeled as:

y=mx+b

where m represents rate of change and b represents the y-intercept or the initial value.

Rate of change ==\frac{Change\ in\ y}{Change\ in\ x}=\frac{42}{\frac{3}{4}}=42\times \frac{4}{3}=56

The initial value b=0 as Mark starts reading from 0.

So, the equation is:

y=56x

7 0
3 years ago
These are the fees for sending a package by Media Mail:
Serga [27]
For first pound it is = $2.41
For next six, = 0.41 * 6 = $2.46

Remaining = 7.99 - (2.41 + 2.46) = 7.99 - 4.87 = 3.12

Now, additional pounds = 3.12 / 0.39 = 8
Total weight = 1 + 6 + 8 = 15

In short, Your Answer would be 15 pounds

Hope this helps!
6 0
3 years ago
250 employees in an organization were surveyed about their hair color and height. The data collected is presented in the table.
morpeh [17]
250 ÷ 164 = 0.656
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3 years ago
What is the surface area of the cereal box 3 in 8 in 11 in
aksik [14]

Answer:

The answer is 264in

Step-by-step explanation:

3*8*11=264

7 0
3 years ago
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