3 years ago

I ONLY NEED HELP WITH 2 AND 6 TEH REST ARE FOR INFO

Mathematics

1 answer:

Shalnov [3]3 years ago

7 0

Try one of these answers

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A model rocket is launched with an initial upward velocity of 47 ms. The rocket's height (in meters) after seconds is given by t

Darina [25.2K]

Answer:

0.61 or 8.79

Step-by-step explanation:

h = 47t − 5t²

27 = 47t − 5t²

5t² − 47t + 27 = 0

Quadratic formula:

t = [ -b ± √(b² − 4ac) ] / 2a

t = [ -(-47) ± √((-47)² − 4(5)(27)) ] / 2(5)

t = (47 ± √1669) / 10

t ≈ 0.61 or 8.79

8 0

4 years ago

Find the radius of a circle in which an inscribed square has a side of 8 inches.

Semenov [28]

Answer:

$4\sqrt{2} =5.66$

Step-by-step explanation:

The square is in the circle, so the diameter is the diagonal line of the square. This divides the square into two right triangles.

Two sides of the right triangle equal 8. This qualifies it as a special right triangle. This triangle has two sides that = x (in this case 8) and the hypotenuse is $x\sqrt{2}$ .

Substitute 8 in for x.

$8\sqrt{2}$ is the diameter, so we divide in half to get the radius = $4\sqrt{2}$

7 0

3 years ago

What is the answer to this question?

mafiozo [28]

Answer:3.50

Step-by-step explanation:

because

7 0

3 years ago

Grace has a segment with endpoints C (3, 4) and D (11, 3) that is divided by a point E such that CE and DE form a 3:5 ratio. She

Dovator [93]

The answer should be 3 over 5

8 0

4 years ago

Read 2 more answers

What are the first four terms of the sequence shown below? <br><br> an = n3 + n2

prisoha [69]

Answer:

2, 12, 36, 80

Step-by-step explanation:

Substitute n = 1, 2, 3, 4 into the n th term formula, that is

a₁ = 1³ + 1² = 1 + 1 = 2

a₂ = 2³ + 2² = 8 + 4 = 12

a₃ = 3³ + 3² = 27 + 9 = 36

a₄ = 4³ + 4² = 64 + 16 = 80

8 0

4 years ago