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Mazyrski [523]
3 years ago
5

Simplify sqrt of -72

Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0

Answer:

6√2 i.

Step-by-step explanation:

√-72

= √72 i

= √36 * √2 i

= 6√2 i.

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Pls help with this math
Salsk061 [2.6K]

Answer:

44.58

Step-by-step explanation:

v=\frac{4}{3}\pi r^{3}\\ given r= 2.2\\\pi =3.14\\hence:v=\frac{4}{3}  (3.14)(2.2)^3=44.58

5 0
2 years ago
Kiran and Clare live 24 miles away from each other along a rail trail. One Saturday, the two friends started walking toward each
vivado [14]

Answer:

They would be 44.6 miles apart

Step-by-step explanation:

Here, we want to calculate how far they will be in 1 hour

Mathematically;

Distance = speed * time

In 1 hour, Kiran would have traveled a distance of 3 * 1 = 3 miles

While Clare would have traveled a distance of 3.4 * 1 = 3.4 miles

Now, we want to calculate how far apart they would be

On the 24 miles trail, Kiran would be at a distance of 21 miles to the other end

On the 24 miles Claire would be at a distance of 20.6 miles

So how far apart they would be is

24 miles + 20.6 miles = 44.6 miles

3 0
3 years ago
Can you tell which of the following triangles are right and explain
luda_lava [24]
12 because triangles will always have an odd number, and 12 is even
I think
6 0
3 years ago
10v + 45<br> How to Factor the expression
KATRIN_1 [288]

(10v + 45) = 5(2v + 9)

To factor find a number that can go flu shot into the 2 numbers given. In the question you posted, th at number was 5. 5 could go into 10v and 45.

If you need a better explanation just as in the comments.

Happy to help! Please mark as BRAINLIEST! Thanks

4 0
3 years ago
the temperature started at -65 degrees. It decreased at a constant rate of 45 degrees every hour. What is the y-intercept (b) fo
Aleonysh [2.5K]

The  y intercept for the given situation is y = -65

Step-by-step explanation:

Step 1 :

Given ,

The starting temperature = -65 degrees

Decrease of temperature every hour = 45 degrees

We need to find the y intercept for the situation

Step 2 :

Let x represent every hour and y represent the corresponding temperature at the hour

We can model the equation as

y = -65 - 45 x

Step 3 :

To find the y intercept we need to find the value of y when x = 0

Hence when x = 0 in the above equation, we have y = -65

The y-intercept as required for the given situation is y = -65

Step 4 :

Answer :

The required y intercept for the situation is y = -65

7 0
4 years ago
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