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Bas_tet [7]
3 years ago
8

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Simplify the expression

. − 5 + i/ 2 i
Mathematics
1 answer:
Inessa [10]3 years ago
6 0

Answer:

-4.5

Step-by-step explanation:

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An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the
DedPeter [7]

<em><u>The inequality can be used to find the interval of time taken by the object to reach the height  greater than 300 feet above the ground is:</u></em>

d = -16t^2 + 1000

<em><u>Solution:</u></em>

<em><u>The object falls, its distance, d, above the ground after t seconds, is given by the  formula:</u></em>

d = -16t^2 + 1000

To find the time interval in which the object is at a height greater than 300 ft

Frame a inequality,

-16t^2 + 1000 > 300

Solve the inequality

Subtract 1000 from both sides

-16t^2 + 1000 - 1000 > 300 - 1000\\\\-16t^2 > -700

16t^2 < 700\\\\Divide\ both\ sides\ by\ 16\\\\t^2 < \frac{700}{16}\\\\Take\ square\ root\ on\ both\ sides\\\\t < \sqrt{\frac{700}{16}}\\\\t < \pm 6.61

Time cannot be negative

Therefore,

t < 6.61

And the inequality used  is: -16t^2 + 1000>300

6 0
3 years ago
Is 104.12 greater than 104.002
Liono4ka [1.6K]
Yes, 104.12 is greater than 104.002

because 104.12 rounds up to 104.1
        and 104.002 rounds up to 104.0


8 0
3 years ago
In order to increase the circumference of a circle from 12π cm to 18π cm, by how much must the diameter increase?
Vadim26 [7]

Answer:


Step-by-step explanation:

It's actually 6 cm. This is because the diameter of the smaller circle is 12pi/pi which is 12, and the diameter of the bigger one is 18pi/pi which is 18. 12 + 6 = 18, so the diameter increases by 6.

8 0
4 years ago
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Audra was drawing a perpendicular bisector of segment ab with a compass . She started with a line segment AB . Then she placed h
Softa [21]

Answer:

Step-by-step explanation:

Given that Audra was drawing a perpendicular bisector of segment AB with a compass. She started with line segment AB. Then, she placed her compass point on A and opened the compass more halfway to B.

Her next step will be "Using the width of the compass from the previous step, draw two arcs to the left and right of both A and B".

7 0
4 years ago
7500millimeter=________meter
kykrilka [37]

Answer:

7.5 meters

Step-by-step explanation:

7500÷1000=7.5

You divide by 1000

4 0
3 years ago
Read 2 more answers
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