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3 years ago

12

What does the number 2 mean above the 3? 3^{2}

1 answer:

stich3 [128]3 years ago

5 0

Answer:

The exponent

Step-by-step explanation:

The two is the exponent because of the little arrow thing.

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Cloud [144]

The short answer is trial and error. The side lengths "3" and "4" can both be substituted for a² and b² but not c² because their value squared is not high enough since 5² is 25. "c²" as to match the longest side because the smaller numbers will cause the equation to not be true. See Below.

a² + b² = c²
3² + 4² = 5²
9 + 16 = 25
25 = 25
______________________________

a² + b² = c²
4² + 3² = 5²
16 + 9 = 25
25 = 25
______________________________

a² + b² = c²
5² + 4² = 3²
25 + 16 = 9
41 ≠ 9

______________________________

a² + b² = c²
3² + 5² = 4²
9 + 25 = 16
34 ≠ 16

Hope this helped!

7 0

3 years ago

If a six-sided die(1-6) and a ten-sided die(1-10) are rolled simultaneously, then what is the probability of rolling both with a

AnnyKZ [126]

Answer:

$Pr = 0.20$

Step-by-step explanation:

Given

$n_1 = 10$ ---- 10 sided

$n_2 = 6$ --- 6 sided

Required

$P(x_1,x_2 > 4)$

First, list out the sample space

$S = \{(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6)(2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6)$

$(3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6)$

$(5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)$

$(7, 1) (7, 2) (7, 3) (7, 4) (7, 5) (7, 6) (8, 1) (8, 2) (8, 3) (8, 4) (8, 5) (8, 6)$

$(9, 1) (9, 2) (9, 3) (9, 4) (9, 5) (9, 6) (10, 1) (10, 2) (10, 3) (10, 4) (10, 5) (10, 6)\}$

$n(S) = 60$ --- total outcomes

The event that the outcome of both is greater than 4 is:

$x_1,x_2> 4 = \{(5, 5) (5, 6)(6, 5) (6, 6)(7, 5) (7, 6) (8, 5) (8, 6)(9, 5) (9, 6) (10, 5) (10, 6)\}$

$n(x_1,x_2>4) = 12$

So, the probability is:

$Pr = \frac{n(x_1,x_2>4)}{n(S)}$

$Pr = \frac{12}{60}$

$Pr = 0.20$

6 0

3 years ago

HELP! I've tried doing it, but every time I don't get any of the options.

Andrei [34K]

The final answer is choice C) cos(x)

Have a look at the attached image to see my work on how I got that answer.

8 0

3 years ago

A library expansion, begun in 2002, was expected to cost $103 million. By 2006, library officials estimate the cost would be $39

Rainbow [258]

initial estimate in 2002 = 103M

Actual cost in 2006 = 142M (103M + 39M)

% over budget = 39/103 = 37.86%

6 0

4 years ago

A kid’s bicycle costs $110.00 at a department store, who is offering a 15% off coupon. Determine the final price of the bike aft

agasfer [191]

Answer:

<h3>100.375</h3>

Step-by-step explanation:

so 110

110/100=1.1

*15

16.5

16.5 dollar coupon

ok then sales tax

1.1*6.25

6.875

sales tax is 6.875

110-16.5

93.5

93.5+sales tax 6.875

100.375

final price 100.375

hope this helps!!

3 0

3 years ago