3 years ago

970001 to the nearest thousand

Mathematics

2 answers:

masha68 [24]3 years ago

4 0

Answer:

970,000.1

Step-by-step explanation:

PilotLPTM [1.2K]3 years ago

4 0

970,000 because 0 can’t be rounded up so it stayed the same

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I need to put this in scientific notation

Marrrta [24]

Answer:

3.5 * 10^-12.

Step-by-step explanation:

(7 * 10^-5 ) * (5 * 10^-8)

= 35 * 10^-13

= 3.5 * 10^-12.

Note the first number must be between 1 and 10.

8 0

4 years ago

After a baseball is hit, the height h (in feet) of the ball above the ground t seconds after it is hit can be approximated by th

lubasha [3.4K]

Answer:

The ball will take 4.05 seconds to hit the ground.

Step-by-step explanation:

we have

$h=-16t^{2}+64t+3$

This is a quadratic equation (vertical parabola) open down

The vertex is a maximum

we know that

The ball hit the ground when h=0

Solve the quadratic equation

For h=0

$-16t^{2}+64t+3=0$

The formula to solve a quadratic equation of the form

$at^{2} +bt+c=0$ is equal to

$t=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-16t^{2}+64t+3=0$

$a=-16\\b=64\\c=3$

substitute in the formula

$t=\frac{-64(+/-)\sqrt{64^{2}-4(-16)(3)}} {2(-16)}$

$t=\frac{-64(+/-)\sqrt{4,288}} {-32}$

$t=\frac{64(-)\sqrt{4,288}} {32}=-0.05\ sec$ ---> the time cannot be a negative number

$t=\frac{64(+)\sqrt{4,288}} {32}=4.05\ sec$

therefore

The ball will take 4.05 seconds to hit the ground.

4 0

3 years ago

3. What value of y makes the following equation true? *

Anna71 [15]

Answer:

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3 years ago

Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively.

levacccp [35]

5th term / 2nd term = r^4 / r = r^3

r^3 = 162/-6 = -27

so r = -3

a1 * r-3 = -6 so first term = 2

an = 2. (-3)^(n-1) Answer

Its B

4 0

3 years ago

Read 2 more answers

Factor this trinomial.

Ahat [919]

$x^2+2x-3=(x+3)(x-1)$

4 0

4 years ago

970001 to the nearest thousand​

970001 to the nearest thousand