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nasty-shy [4]
3 years ago
8

(a) A square has a perimeter of 32 ft. What is the length of each side?

Mathematics
1 answer:
vitfil [10]3 years ago
7 0
A. 32/4=8
B. Square root of 9 = 3
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Anita purchased a couch that was priced at $700. She will also have to pay 6% sales tax. How much will she pay in total for the
Zolol [24]

Answer:

$742

Step-by-step explanation:

To solve this, you need to figure out what 6% of 700 dollars is and then add that to 700. The easiest way to find the percentage of a number is to set it up in the equation:

6/100 = x/700  where 6 is the percentage of 700 (out of 100 because you can only get up to 100 percent in this case) and x is 6 percent of 700. when you cross multiply, you get 100x = 4200. Then you divide both sides by 100 to get x by itself. This will give you x = 42 Add this to 700 for 742 as the total amount that will be paid. Sorry if this first half was a little confusing

6 0
3 years ago
Write the polar form of a complex number in standard form for <img src="https://tex.z-dn.net/?f=8%5Bcos%28%5Cfrac%7B%5Cpi%7D%7B2
laila [671]

Answer:

Solution : 8i

Step-by-step explanation:

We can use the trivial identities cos(π / 2) = 0, and sin(π / 2) = 1 to solve this problem. Let's substitute,

8\left[cos\left(\frac{\pi }{2}\right)+isin\left(\frac{\pi \:}{2}\right)\right] = 8\left(0+1i\right)

And of course 1i = i, so we have the expression 8(0 + i ). Distributing the " 8, " 8( 0 ) = 0, and 8(i) = 8i, making the fourth answer the correct solution.

7 0
3 years ago
Solve for x. 2x + 5 = 3x -1
viktelen [127]

Answer:

x = 6

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

5 0
3 years ago
Read 2 more answers
Determine the value of x which satisfies the following equation. <br> ln(4x+1)=6
Anika [276]

Answer:

Not Determinable

Step-by-step explanation:

Simplifying

Ln(4x + 1) = 6

Reorder the terms:

nL(1 + 4x) = 6

(1 * nL + 4x * nL) = 6

(1nL + 4nxL) = 6

Solving

1nL + 4nxL = 6

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Reorder the terms:

-6 + 1nL + 4nxL = 6 + -6

Combine like terms: 6 + -6 = 0

-6 + 1nL + 4nxL = 0

The solution to this equation could not be determined.

6 0
3 years ago
Read 2 more answers
Noah has d dollars to buy s songs from a website. The the website has an initial charge of $5 to join and then $0.99 for each so
Romashka [77]

Answer:

5 + 0.99s = d

Step-by-step explanation:

5 dollars is the initial price for the site and each song is 0.99, so if you multiply that by s, the number of songs, you'll get d.

3 0
3 years ago
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