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Sloan [31]
3 years ago
13

A square rug has an area 100 ft2. Write the side length as a square root. Then decide if the side length is a rational number.

Mathematics
1 answer:
Alborosie3 years ago
6 0
13/3 is the answer
it is a rational answer
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Deon bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $250 less than the desktop. He pai
zysi [14]

Answer:

300

Step-by-step explanation:

Let x = cost of desktop computer; then x - 250 = cost of laptop computer

converting % to decimals, 9% = 0.09 and 6% = 0.06

Then, 0.09x + (x - 250)0.06 = $300

0.09x + 0.06x - 15 = $300

0.15x = $315

x = $2100

then x - 250 = $1850

Proof: $2100•0.09 + 1850•0.06 = $189 + $111 = $300

7 0
3 years ago
Let x be the number of successes throughout n independent repetitions of a random experiment having probability of success p=1/4
Llana [10]

To answer problems like this you have to use binomial:

P (x > 1) = 1 – p (0 < x < 1) > .7 

So:

1 – p (0) – p (1) > .7 

1 – (3/ 4) ^n – (3/ 4) ^n (n – 1 ) (1/ 4) > .7 

Therefore n > 5.185, and the smallest value of n so that we can satisfy the given condition is 6 (rounded up)

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6 0
3 years ago
Please help and thank you
masya89 [10]

Answer:

B. 407

Step-by-step explanation:

equation: y= A(1- r/n)^nt

y=471(1-(.07/1))^1(2)

you should get 407.37 as your answer

3 0
3 years ago
Read 2 more answers
Kent needs to buy school supplies. Notebooks cost 5x dollars, bottles of glue cost 2x dollars packs of markers cost 7x dollars
Damm [24]

Answer:

Its 46

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Boxes of bouncy balls with 500 balls are sold to stores for $75.00. One store sells them to customers for 35 cents each. What is
Contact [7]

Answer:

.20

Step-by-step explanation:

75/500 = .15

35-15=20

3 0
2 years ago
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