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4 years ago

What is square root of -36?

Mathematics

2 answers:

bulgar [2K]4 years ago

6 0

The square root of -36 is 6i

solong [7]4 years ago

4 0

the square root of a negative number needs to end in I

so find the square root of 36 and add an I

sqrt(36) = 6

so sqrt(-36) = 6i

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Find the 8th term of the geometric sequence 3, 12, 48,...

Sophie [7]

$\begin{gathered} \text{The first term is 3, the common ratio is 4} \\ \text{That means;} \\ a=3,r=4 \\ \text{The nth term is } \\ T_n=ar^{(n-1)} \\ 8th=3\times4^{(8-1)} \\ 8th=3\times4^7 \\ 8th=3\times16384 \\ 8th=49152 \end{gathered}$

4 0

1 year ago

Solve the following absolute value equation.

dolphi86 [110]

Hey there!

$|\displaystyle\frac{x-1}{2} |=7$

Let's say that x-1 is negative:

$\displaystyle\frac{-x+1}{2} =7$

The first step is to multiply both sides by 2:

$\text{-x+1=14}$

Now, move 1 to the right, using the opposite operation:

$\text{-x=14-1}$

$\text{-x=13}$

Divide both sides by -1:

$\text{x=-13}$

Note: Since the negative sign is already entered, all you need to enter is 13.

I hope you find my answer helpful.

Good luck!

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5 0

3 years ago

2(6-x) =3 step by step !

r-ruslan [8.4K]

Answer:

5½ = x

Step-by-step explanation:

$2(6 - x) = 3 \\ \\ 6 - x = 1 \frac{1}{2}$

-6 - 6

______________

-x = -5½

x = 5½

I am joyous to assist you anytime.

4 0

3 years ago

Read 2 more answers

Which ordered pair in the form (X,Y) solution to this equation (x+y)y=10

Verizon [17]

Answer:

X=3

Y=2

Step-by-step explanation:

(3+2)2=10

If you use this, please give me brainliest

3 0

4 years ago

Buses to acton leave a bus station every 24 minutes. Buses to barton leave the same bus station every 20 minutes. A bus to acton

Annette [7]

Answer: 11a.m

Step-by-step explanation:

Here is the complete question:

Buses to Acton leave a bus station every 24 minutes. Buses to Barton leave the same bus station every 20 minutes. A bus to Acton and a bus to Barton both leave the bus station at 9 00 am. When will a bus to Acton and a bus to Barton next leave the bus station at the same time?

For us to solve this, we have to find the least common multiple of 24 and 20 which is finding the multiples of 20 and 24.

20 = 20,40,60,80,100,120

24= 24,48,72,96,120

The least common multiple of 20 and 24 is 120min. Since 60 minutes make 1 hour, 120 minutes will be 2 hours.

Since they both leave at 9a.m. The next bus will leave at:

9am + 2hours = 11am

7 0

3 years ago