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Olegator [25]
2 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]2 years ago
8 0

Answer:

y = 780 - 20x

Step-by-step explanation:

Helga [31]2 years ago
5 0
The answer is y = 780 - 20x
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Your rectangular garden is 15 1/2 feet long and 26.5 feet wide. You plan to build a border. The border material costs $2.88 for
Elanso [62]

Answer:

$ 903.84

Step-by-step explanation: First find the perimeter, width + length + width + length. Then multiply it by 3 as the border is 3 bricks tall, divide it by 1.5 then multiply by 2.88 to get the price of the border. Add $420 to get the final price.

3 0
3 years ago
Show work plz, NEED HELP FAST PLZ
german

Answer:what are the answer choices

Step-by-step explanation:

3 0
2 years ago
Alejandro loves to go to the movies. He goes both at night and during the day. The cost of a matinee is 7 dollars. The cost of a
saw5 [17]

Answer:

<u>Alejandro went to 8 matinee shows and 4 evening shows.</u>

<u>Our system of equations:</u>

<u>x + y = 12</u>

<u>7x + 12y = 104</u>

Correct statement and question:

Alejandro loves to go to the movies. He goes both at night and during the day. The cost of a matinee is 7 dollars. The cost of an evening show is 12 dollars.

Alejandro went to see a total of 12 movies and spent $ 104. How many of each type of movie did he attend? Write a system of equations.

Source:

Previous question that can be found at brainly

Step-by-step explanation:

Step 1:

Let x to represent the number of matinee shows Alejandro went to.

Let y to represent the number of evening shows Alejandro went to.

Now, let's write our system of equations:

x + y = 12

7x + 12y = 104

*********************

x = 12 - y

*********************

7 (12 - y) + 12y = 104

84 - 7y + 12y = 104

5y = 104 - 84

5y = 20

y = 20/5

<u>y = 4 ⇒ x = 12 - 4 = 8</u>

<u>Alejandro went to 8 matinee shows and 4 evening shows.</u>

4 0
3 years ago
Can someone please help me with this question ,
ollegr [7]
(x+6)(x+9) = 0
x+6 = 0    or    x+9 = 0
x = -6              x = -9

Answer is A. -6 and -9
8 0
3 years ago
Write 5^3 x √5 as a single power of 5
MakcuM [25]
√5 = 5^(1/2)

Multiplying two number with the same base has as result a number with the same base and the sum of the exponents so:

1/2 + 3 = 7/2
which means
5^3 x 5^(1/2) = 5^(7/2)
5 0
2 years ago
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