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const2013 [10]
3 years ago
10

Helppp need to find x and r TRIG!​

Mathematics
1 answer:
jolli1 [7]3 years ago
7 0

Answer:

x = 18

18√2

Step-by-step explanation:

This is a special right triangle with angle measures 45° 45° 90°

in this special triangle the side lengths are expressed as a, a, and a√2

So x = a and x = 18

r = a√2 and r = 18√2

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The surface area of a triangular pyramid is 1836 ft2.
mojhsa [17]
1836 ÷ 4 = 459 ft^2   B
8 0
3 years ago
What is (8.2*10^-3)*(2.0*10^2) in scientific notation
vovikov84 [41]

Answer:

See below

Step-by-step explanation:

(8.2*10^-3)*(2.0*10^2

= 8.2*2.0 * 10^(-3+2)

= 16.4 * 10^-1

= 1.64 * 10^0

or 1.64

5 0
3 years ago
Carnival M charges an entrance fee of $5.00 and $0.50 per ticket for rides. Carnival P charges and entrance fee of $7.00 and $0.
Sergio039 [100]

The number of tickets that should be purchased for the cost of both carnival to be equal is 10 tickets.

Assume the number of tickets to be purchased is x.

The expression for the total cost at Carnival M is:

= Entrance fee + (price of tickets x number of tickets)

= 5 + 0.50x

The expression for the total cost at Carnival P is:

= 7 + 0.30x

To find the number of tickers, equate both expressions:

5 + 0.50x = 7 + 0.30x

0.50x - 0.30x = 7 - 5

0.20x = 2

x = 2 / 0.20

= 10 tickets

10 tickets will need to be bought to both Carnivals for the cost to be the same.

<em>Find out more at brainly.com/question/15300985.</em>

5 0
3 years ago
Read 2 more answers
Residents of three counties were polled to find the percentage of residents who are Republican or Democrat. Find the following r
Nezavi [6.7K]

Answer:

Republican residents of County 1:  

10.1 %  

Democratic residents of County 1:  

16.5 %

Total Republican residents:  

58.9 %

Total Democratic residents:  

41.1 %

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Complete the table to investigate dilations of exponential functions.
Zinaida [17]

Answer:

a = 1

b = 3

c = 1

d = 2

e = 6

f = 8

Step-by-step explanation:

Any integer with power as zero = 1

<h3>For a</h3>

2^x

2^0

= 1

<h3>For b</h3>

3 * 2^x

3 * 2^0

3 * 1

= 3

<h3>For c</h3>

2 ^ 3(x)

2 ^ 3(0)

2 ^ 0

= 1

<h3>For d</h3>

2^1

= 2

<h3>For e</h3>

3 * 2^x

3 * 2^1

3 * 2

= 6

<h3>For f</h3>

2 ^ 3(x)

2 ^ 3(1)

2 ^ 3

2 * 2 * 2

= 8

6 0
4 years ago
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