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slega [8]
4 years ago
10

What are the inverse operations for the equation x² + 3 = 12?

Mathematics
1 answer:
Neko [114]4 years ago
5 0

Answer:

y=12

Step-by-step explanation:

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Ten calculators cost $149.50. How much would 100 cost? 1000? 500?
professor190 [17]

Answer:

for 100 it will be $149,500

Step-by-step explanation:

3 0
3 years ago
Let f(x)= x^2 - 3x + 1 and g(x)= 3x + 7
Anvisha [2.4K]

Answer:

A

Step-by-step explanation:

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7 0
3 years ago
3^-6 x (3^4 / 3^0)^2
inna [77]

Answer:

9 x

Step-by-step explanation:

Simplify the following:

((3^4/3^0)^2 x)/(3^6)

Hint: | Compute 3^6 by repeated squaring. For example a^7 = a a^6 = a (a^3)^2 = a (a a^2)^2.

3^6 = (3^3)^2 = (3×3^2)^2:

((3^4/3^0)^2 x)/((3×3^2)^2)

Hint: | Evaluate 3^2.

3^2 = 9:

((3^4/3^0)^2 x)/((3×9)^2)

Hint: | Multiply 3 and 9 together.

3×9 = 27:

((3^4/3^0)^2 x)/(27^2)

Hint: | Evaluate 27^2.

| 2 | 7

× | 2 | 7

1 | 8 | 9

5 | 4 | 0

7 | 2 | 9:

((3^4/3^0)^2 x)/729

Hint: | For all exponents, a^n/a^m = a^(n - m). Apply this to 3^4/3^0.

Combine powers. 3^4/3^0 = 3^(4 + 0):

((3^4)^2 x)/729

Hint: | For all positive integer exponents (a^n)^m = a^(n m). Apply this to (3^4)^2.

Multiply exponents. (3^4)^2 = 3^(4×2):

(3^(4×2) x)/729

Hint: | Multiply 4 and 2 together.

4×2 = 8:

(3^8 x)/729

Hint: | Compute 3^8 by repeated squaring. For example a^7 = a a^6 = a (a^3)^2 = a (a a^2)^2.

3^8 = (3^4)^2 = ((3^2)^2)^2:

(((3^2)^2)^2 x)/729

Hint: | Evaluate 3^2.

3^2 = 9:

((9^2)^2 x)/729

Hint: | Evaluate 9^2.

9^2 = 81:

(81^2 x)/729

Hint: | Evaluate 81^2.

| | 8 | 1

× | | 8 | 1

| | 8 | 1

6 | 4 | 8 | 0

6 | 5 | 6 | 1:

(6561 x)/729

Hint: | In (x×6561)/729, divide 6561 in the numerator by 729 in the denominator.

6561/729 = (729×9)/729 = 9:

Answer:  9 x

3 0
4 years ago
Read 2 more answers
3m + 1m -7 + 3m = 21 solve this one to
Sophie [7]
Let's solve your equation step-by-step.

<span><span><span><span><span>3m</span>+<span>1m</span></span>−7</span>+<span>3m</span></span>=21

</span>Step 1: Simplify both sides of the equation.

<span><span><span><span><span>3m</span>+<span>1m</span></span>−7</span>+<span>3m</span></span>=21

</span><span>Simplify: (Show steps)

</span><span><span><span>7m</span>−7</span>=21

</span>Step 2: Add 7 to both sides.

<span><span><span><span>7m</span>−7</span>+7</span>=<span>21+7

</span></span><span><span>7m</span>=28

</span>Step 3: Divide both sides by 7.

<span><span><span>7m/</span>7</span>=<span>28/7

</span></span><span>m=4

</span>Answer:<span>m=<span>4</span></span>
5 0
4 years ago
Read 2 more answers
Suppose that a student has saved all answers of his or her first attempt for a homework assignment in this course and has 80% co
kogti [31]

Answer:

zero

Step-by-step explanation:

submission was don 1 second late and based on the university policy, no excuse is accepted for late submission)

Late submissions are not marked,

8 0
4 years ago
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