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Olegator [25]
3 years ago
15

A skydiver is 780 meters above the ground when he opens his parachute. After opening the parachute, he descends at a constant sp

eed of 20 meters per second. What is a function that would best model this situation?
y = 20x - 780
y= 20x + 780
y =780 + 20x
y = 780 - 20x
Mathematics
2 answers:
Gwar [14]3 years ago
8 0

Answer:

y = 780 - 20x

Step-by-step explanation:

Helga [31]3 years ago
5 0
The answer is y = 780 - 20x
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-4( x – 4) = 8 – 4x <br><br> last one NEED help
Ilya [14]

16=8

first you need to get rid of the parenthesis by doing distributive property which gives you -4x+16=8-4x next you cancel equal terms which is -4x so then you get

16=8 btw the equation would be false

7 0
3 years ago
Only 6. Please and thanks
salantis [7]

Answer:

Part a) 7.536\ m

Part b) \$34.14

Step-by-step explanation:

Part 6)

a) How much edging is needed?

we know that

To find out how much edging is needed determine the circumference of the circular garden

The circumference of the circular garden is equal to

C=\pi D

where

D is the diameter

we have

D=2.4\ m

assume

\pi =3.14

substitute

C=(3.14)(2.4)

C=7.536\ m

Part b) we know that

To find out the cost to edge the garden, multiply the length of edging plastic needed by the cost of $4.53 per meter

so

(7.536\ m)(4.53\ \$/m)=\$34.14

8 0
3 years ago
A farmer finds there is a linear relationship between the number of bean stalks, nn, she plants and the yield, yy, each plant pr
Alex

The linear relationship in the form y =  y = 3n + 72

What is  linear relationship?

In statistics, a straight line of correlation between two variables is referred to as a linear relationship (or linear association). The mathematical equation y = mx + b can be used to represent linear relationships graphically.

<h3>According to the given information :</h3>

Each plant generates 34 oz of beans when she plants 30 stalks, and 33 stalks results in 33 oz of beans per plant, according to the information we have provided.

Equation 1 using data 1:

                                    y = mn + b

Equation 1 using data 1:

                                    30 = 34m + b

Equation 2 using data 2:

                                     33 = 33m + b

Subtract equation 1 from equation 2:

                               33 - 30 = 34m + b - 33m - b

                                     3 = m

                                      m = 3

Rearrange equation 1 to solve for b:

                                    b = 34(3) - 30

                                      b = 102 - 30

                                      b = 72

Therefore the equation becomes:

                                     y = 3n + 72

The linear relationship in the form y =  y = 3n + 72

To know more about linear relationship visit:

brainly.com/question/28158670

#SPJ4

5 0
2 years ago
a ladder leaning against a wall makes an angle of 75 with the ground. If the foot of the ladder is 6 feet from the base of the w
aev [14]
The length of the latter would be 23 feet because we know one angle is 75 and the angle against the wall is 90 and the base is 6 feet answer is 23 feet
7 0
3 years ago
Read 2 more answers
A TV program is edited for broad casting and 17% of the original program is cut.
Llana [10]
If original program is x hours long we have the equation-
x - 0.17x = 1.5
0.83x = 1.5
x = 1.5 / 0.83 = 1.81 hours long   ( about 1 hour 49 minutes) Answer
3 0
3 years ago
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