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Darina [25.2K]
3 years ago
5

Which answer is correct

Mathematics
1 answer:
Drupady [299]3 years ago
4 0
Hi honey, are you still working on this problem? if so check your messages i’ve sent the answer there because for some reason my messages aren’t showing
You might be interested in
Simplify: ((-3)4)².
Darina [25.2K]

The value of the expression ((-3)^4)^2 when simplified is 6561

<h3>What are expressions?</h3>

Expressions are mathematical statements represented by numbers, arithmetic operations and variables

<h3>How to simplify the expression?</h3>

The expression is given as:

((-3)^4)^2

Start by expanding the inner bracket

((-3)^4)^2 = ((-3)*(-3)*(-3)*(-3))^2

Next, we evaluate the product (-3)*(-3)*(-3)*(-3)

This gives

((-3)^4)^2 = (81)^2

Next, expand the exponent

((-3)^4)^2 = (81) * 81

Next, we evaluate the product

This gives

((-3)^4)^2 = 6561

Hence, the value of the expression ((-3)^4)^2 when simplified is 6561

Read more about expressions at:

brainly.com/question/723406

#SPJ1

7 0
2 years ago
An 80 kg boat that is 9.6 m in length is initially 7.6 m from the pier. A 46 kg child stands at the end of the boat closest to t
kakasveta [241]

Answer:

  13.695 m

Step-by-step explanation:

The assumption made here is that the boat/water interface is essentially frictionless, so that the center of mass of the system remains in the same place as the occupant of the boat moves around.

__

We can find the sum of the moments of boat and child about the pier end:

  (46 kg)(7.6 m) + (80 kg)((7.6 +9.6/2) m) = 1341.6 kg·m

After the child moves, the center of mass of boat and child is presumed to remain in the same place. If x is the new distance from the pier to the child, the sum of moments is now ...

  46x +80(x-4.8)* = 1341.6

  126x -384 = 1341.6

  x = (1341.6 +384)/126 = 13 73/105 ≈ 13.695 . . . meters

The child is about 13.695 meters from the pier when she reaches the far end of the boat.

_____

* The center of mass of the boat alone is half its length closer to the pier than is the child, so is located at x-4.8 meters.

6 0
3 years ago
I costs $2.50 to rent bowling shoesn Each game costs $2.25. You have $9.25
Alex787 [66]
2.50+2.25x
9.25=2.50+2.25x

each and per indicate a number placed with a variable
8 0
3 years ago
Read 2 more answers
Raquela's coworker made price tags for several items that are to be marked down by 35%. Match each Regular Price to the correct
Elis [28]

9514 1404 393

Answer:

  see below

Step-by-step explanation:

I like a spreadsheet for doing repetitive calculations. The matchup is shown in the attachment.

The sale price is 100% - 35% = 65% = 0.65 times the regular price.

__

Here, you can also identify the matches by putting the prices in numerical order. The lowest regular price will correspond to the lowest sale price.

  regular, sale

  3.09, 2.01

  3.29, 2.14

  3.77, 2.45

  4.19, 2.72

5 0
3 years ago
10 to the 6th power multiplied by what equals 10 to the 18th power
m_a_m_a [10]
 
You're asking

            (10⁶) times (10^p) = 10¹⁸ .

When you multiply two numbers that have the same base
but different exponents, you just add the exponents.

So                                         6 + p = 18

Subtract 6 from each side:          p = 12 .

                 10⁶  x  10¹²  =  10¹⁸ .

                




8 0
3 years ago
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