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podryga [215]
3 years ago
13

I NEED HELP ! I’m doing a math quiz right now and I’m confused

Mathematics
1 answer:
Goshia [24]3 years ago
8 0

Step-by-step explanation:

one of his student shoot a ball from his hand at an initial height of 2 m with an initial upward velocity of 10 meters per second , the height of the ball can be modeled by the ģuadratic eģuation wath answer the ģuation -4.9t2+10t+2 after t seconds

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What is the area of a rectangle with vertices at (−3, −1), (1, 3), (3, 1), and (−1, −3)?
Jobisdone [24]

Using the distance formula, the area of the rectangle is: 16 units².

<h3>What is the Area of a Rectangle?</h3>

Area of a rectangle = (length)(width).

Given the vertices:

  • A(−3, −1)
  • B(1, 3)
  • C(3, 1)
  • D(−1, −3)

Area = (AB)(BC)

Apply the distance formula, d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}, to find AB and BC:

AB = √[(1−(−3))² + (3−(−1))²]

AB = √[(4)² + (4)²]

AB = √32

BC = √[(1−3)² + (3−1)²]

BC = √[(−2)² + (2)²]

BC = √8

Area = (√32)(√8) = √256

Area = 16 units²

Learn more about area of rectangle on:

brainly.com/question/25292087

#SPJ1

6 0
2 years ago
2x to the power of 3+7x to the power of 2-2 divided by x-2=
egoroff_w [7]

Answer:

9x^5 -1

Step-by-step explanation:

2x^3+7x^2-2 / -2

9x^5-2/2

9x^5 -1

5 0
3 years ago
What is 1/9 as a decimal rounde to 2decimal places.
aliya0001 [1]

Answer:

3/11 = 0.27 is the answer of this question

8 0
4 years ago
3. Penguins can swim at speeds of up to 29 feet per second. Use dimensional analysis to
mestny [16]

Answer:

Penguins can swim at a speed of 19.77 miles per hour.

Step-by-step explanation:

Since penguins can swim at speeds of up to 29 feet per second, to convert this speed to miles per hour, knowing that 1 mile is equal to 5280 feet, the following calculation must be performed:

1 hour = 60 minutes

1 minute = 60 seconds

1 hour = 60x60 seconds = 3,600 seconds

29 x 3,600 = feet per hour = 104,400

104,400 / 5,280 = miles per hour = 19.77

Thus, penguins can swim at a speed of 19.77 miles per hour.

5 0
3 years ago
What has a value of 35 when p=7 <br><br> A. 49/p <br> B. 5p<br> C. 45-p<br> D. 25+p
coldgirl [10]
Answer is <span>B. 5p




5x 7 = 35</span>
5 0
3 years ago
Read 2 more answers
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