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12345 [234]
3 years ago
7

Please hurry simplify the problem a i b 5i c -i

Mathematics
1 answer:
KIM [24]3 years ago
5 0

Answer:

\frac{90}{5} i

Step-by-step explanation:

10 * sqrt(81/25 * -1) = 10 sqrt(81/25) * sqrt(-1) = 10 *9/5 * i

You might be interested in
-5c = 30<br> Forgot the steps of solving it
Pavlova-9 [17]
Divide 30 by -5. Or 30/-4=C. C=-6
6 0
3 years ago
7x+2y&gt;-5(-1,1)<br><br> Determine whether the ordered pair is a solution of the linear inequality
boyakko [2]

Answer:

  • No

Step-by-step explanation:

<u>Given inequality:</u>

  • 7x + 2y > - 5

<u>Verify if (-1, 1) is correct:</u>

  • 7(-1) + 2(1) > - 5
  • - 7 + 2 > - 5
  • - 5 > - 5

False inequality, it is not the solution

7 0
3 years ago
Subtract.<br>18 – 7 = what's the answer<br>​
Over [174]

Answer:

11

Step-by-step explanation:

Math

8 0
3 years ago
Why does 1.5 x 4.2 equal 6.3? Someone answer please
miskamm [114]

Answer: Look at it this way, you are adding 4.2, .5 times. So if you find what 1.5 is of 4.2 you then add that to 4.2. The 1 stands for how many times the number is being multiplied by. So in this case the number is only being multiplied once. Then we move onto the decimal point which says that the number is being multiplied by .5 times. This means that 2.1 (which is half of 4.2) is being added onto 4.2. Hope this makes sense. I always use a calculator for multiplying so its hard to put the process into words haha.

Step-by-step explanation:

3 0
2 years ago
Consider circle O. If AE = 7, EC = 2, and BE = 4, what is ED?
miv72 [106K]
The correct answer is 3.5

Two chords AC and BD are intersecting inside the circle. The Intersecting Chord Theorem states that when two chords intersect inside a circle, the products of their segments are equal.

Thus, for the given circle:
(AE) × (EC) = (BE) × (ED)

The lengths of the segments are
AE = 7
EC = 2
BE = 4
ED = ?

To solve for ED, we simply substitute the known values into the equation
ED =  \frac{7(2)}{4} = \frac{14}{4} = 3.5
6 0
3 years ago
Read 2 more answers
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