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3 years ago

Find the value of |5| - 4(32 - 2). -11 -33 7 -23

Mathematics

2 answers:

Mumz [18]3 years ago

6 0

The answer is -33

hope it helps

Ede4ka [16]3 years ago

6 0

Answer: Its -23

Step-by-step explanation: trust me i used a calculator

hope it helps :)

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Jobie starts with $325 in her piggy bank. Each month she adds $10.

astraxan [27]

I think it is the fourth one

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3 years ago

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A model rocket is fired from the ground at time t=0, and it’s height is given in cm by the formula h=-490t^2 +1470t where t is m

Natali [406]

Step-by-step explanation:

h = -490t² + 1470t

When h = 980:

980 = -490t² + 1470t

Simplifying:

0 = -490t² + 1470t - 980

0 = t² - 3t + 2

Factoring:

0 = (t - 1) (t - 2)

t = 1, 2

There are two solutions because the rocket first reaches the height of 980 cm as it's going up at 1 second, then it reaches that height again as it's coming down at 2 seconds.

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3 years ago

At 363 ft tall, the Saturn V rocket was the largest rocket ever sent into space. Stage 1 of the rocket, built by Boeing,

Nataly_w [17]

Answer:

f'(t) = -15 tons/second

Step-by-step explanation:

Using the power rule, the derivative of f(t) is ...

f'(t) = -15 . . . tons/second

f(t) is the fuel weight, so f'(t) is the rate at which fuel weight is changing. The rocket is using fuel at the rate of 15 tons per second.

_____

<em>Comment on units</em>

The units of the equation for f(t) are ...

f(t) = 2520 tons - (15 tons/second)(t seconds)

The derivative is the coefficient of (t seconds), so is (-15 tons/second).

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3 years ago

What is the distance between (-4,-8) and (-4,0) round to the nearest tenth if needed

mixer [17]

Answer:

Step-by-step explanation:

Distance between x coordinates: 0 units

Distance between y coordinates: 8 units

sqrt(0^2+8^2)

8 units

6 0

3 years ago

Point B has coordinates (4,1). The x-coordinate of point A is -4. The distance between point A and point B is 10 units. What a

klasskru [66]

Given:

Point B has coordinates (4,1).

The x-coordinate of point A is -4.

The distance between point A and point B is 10 units.

To find:

The possible coordinates of point A.

Solution:

Let the y-coordinate of point A be y. Then the two points are A(-4,y) and B(4,1).

Distance formula:

$D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The distance between point A and point B is 10 units.

$\sqrt{(4-(-4))^2+(1-y)^2}=10$

Taking square on both sides, we get

$(8)^2+(1-y)^2=100$

$(1-y)^2=100-64$

$(1-y)^2=36$

Taking square root on both sides, we get

$(1-y)=\pm \sqrt{36}$

$-y=\pm 6-1$

$y=1\mp 6$

$y=1-6$ and $y=1+6$

$y=-5$ and $y=7$

Therefore, the possible coordinates of point A are either (-4,-5) or (-4,7).

7 0

3 years ago