Find the square root of 0.81 a. 0.9 b. 9 c. 81 d. 0.09

Answers

Answer 1

Answer:

The square of 0.9 will result to 0.81, and the squareroot of 0.81 is equal to 0.9.

What is square and square root

Squares are the numbers gotten after multiplying a value by itself. While the squareroot of a number is a number whose square is the given number. Hence, both are vice versa methods.

We shall solve for the square root of the number 0.81 as follows;

0.81 = (0.9 × 0.9)

by taking the squareroot of both sides we have;

√0.81 = √(0.9 × 0.9)

√0.81 = √(0.9)²

√0.81 = 0.9

Therefore, the square of 0.9 will result to 0.81, and the squareroot of 0.81 is equal to 0.9

Know more about square and squareroot here:brainly.com/question/428672

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if $6700is invested at 4.6%interest compounded semiannually how much will the investment be worth in 15 years?

Answers

$4.6\%\ \ annually\ \ \rightarrow\ \ 2.3\%\ \ semiannually \nsemiannually \ \ \ \ \rightarrow\ \ 30\ times\ the\ interest\ capitalization\n\nSum=\$6700\cdot(1+ (2.3)/(100) )^(30)=\$6700\cdot1.023^(30)\approx\$13253.90$

What is the simplest form of 9/24, 14/24, 10/15, 10/12,18/27 and 10/15?

Answers

S.F. of 9/24 = 3/8
S.F. of 14/24 = 7/12
S.F. of 10/15 = 2/3
S.F. of 10/12 = 5/6
S.F. of 18/27 = 2/3
S.F. of 10/15 = 2/3

Hope this helps!

1. 3/8
2. 7/12
3. 2/3
4. 5/6
5. 2/3
6. 2/3

I guess the third and last one is repeated. But, I wrote the answer anyways.
Hope this helps! :)

What is r+(−5r) simplified?

Answers

Answer:

-4r

Step-by-step explanation:

2x -y=-1
3x-2y=1
elimination somebody do this for me

Answers

2x-y=-1 (1)
3x-2y=1 (2)
(1) * 2--> 4x-2y=-2 (3)
(3) - (2)
x= -3

sub x= -3 into (1)
2(-3)-y=-1
-6-y=-1
-y=5
y= -5

-2(2x-y)=-1
3x-2y=1

-4x+2y=2
3x-2y=1

-x=3 (x=-3)
(-3,__)

2(-3)-y=-1
-6-y=-1
-y=-1+6
-y=5
y=-5
so..(-3,-5)

What is the value of (–7 + 3i) – (2 – 6i)?–9 + 9i
–9 – 3i
–5 – 3i
–5 + 9i

(-7 + 3i) - (2 - 6i) = -7 + 3i - 2 + 6i = (-7 + (-2)) + (3i + 6i) = -9 + 9i

This is how I worked it out^ Was I correct?

Answers

-9+9i is in fact correct so A is right
:)

The answer is correct. If you have a graphing calculator, there is an "i" button, so the calculator does all your work for you and is a good way to check your answers.

What does √(19 - 3) to the power of two mean

Answers

Answer:

It is 19 - 3 = 16 because the exponent of 2 cancels out the square root.

Step-by-step explanation:

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