2 years ago

What is the y-intercept?

Mathematics

1 answer:

storchak [24]2 years ago

6 0

Answer: The y-intercept is an (x,y) point with x=0

Step-by-step explanation:

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what is the difference in there elevation an airplane flies at an altitude of 25,000 feet a submarine dives to a depth of 600 fe

Andru [333]

I did 25,000 - (-500) = 25,600

I did -500 (negative 500) because it is below the sea level and positive 25,000 because it above the sea level

7 0

2 years ago

The equation y 4.9t 2 3.5t 2.4 relates the height y in meters to the elapsed time t in seconds for a ball thrown downward at 3.5

tamaranim1 [39]

Answer:

$t \approx 0.43\,s$

Step-by-step explanation:

The vertical displacement function is $y(t) = -4.9\cdot t^{2}-3.5\cdot t + 2.4$ , where $y(t)$ is measured in meters and $t$ in seconds. Ball hits the ground when $y(t) = 0$ . That is:

$-4.9\cdot t^{2}-3.5\cdot t + 2.4 = 0$

Whose roots can be found by using the General Formula for Second-Order Polynomials:

$t_{1,2} = \frac{3.5\pm \sqrt{(-3.5)^{2}-4\cdot (-4.9)\cdot (2.4)} }{2\cdot (-4.9)}$

Solutions of this polynomial are:

$t_{1} \approx 0.43\,s,t_{2} \approx -1.14\,s$

Only the first root is physically consistent.

3 0

3 years ago

Evaluate the question?

Snezhnost [94]

Since all you’re saying is evaluate ∫12–2
I’m assuming the answer would be 1/(1+x)(1-x)

3 0

3 years ago

Read 2 more answers

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Amiraneli [1.4K]

Answer:

y is less than or equal to 2/3x + 1/5

Step-by-step explanation:

7 0

1 year ago

What is the answer please help

maria [59]

Answer:

Step-by-step explanation:

x^2=24^2+7^2

=576+49

=625

x=25

8 0

3 years ago