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kotykmax [81]
3 years ago
11

I need help with this.. Anybodyyy??!

Mathematics
1 answer:
Marta_Voda [28]3 years ago
4 0

Step-by-step explanation:

Given

c² = a² + b²

Making a² subject then

a² = c² - b²

Hope it will help :)

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A city has a population of 350,000 people. Suppose that each year the population grows by 5.5%. What will the population be afte
Zolol [24]

Answer:

700,000

Step-by-step explanation:


4 0
3 years ago
Urn I contains three red chips and one white chip. Urn II contains two red chips and two white chips. One chip is drawn from eac
Lelechka [254]

Answer:

0.7

Step-by-step explanation:

The Probability of Chips in Urn 1

P(R) = 3/4

P(W) = 1/4

The Probability of Chips in Urn 2

P(R) = 1/2

P(W) = 1/2

The problem can be solved using probability tree method. The probability tree of the given question is attached with the answer.

The Probability tree shows the exchange of chips firstly and then the final probability of Red Chips and White Chips in Urn 1.

To find the final answer we can sum up the probabilities of the branches which are ticked in the diagram.

Probability of Branch 1 (ticked in diagram)

3/4 x 3/5 x 3/4 = 0.3375

Probability of Branch 2 (ticked in diagram)

3/4 x 2/5 x 2/4 = 0.15

Probability of Branch 3 (ticked in diagram)

1/4 x 2/5 x 1 = 0.1

Probability of Branch 4 (ticked in diagram)

1/4 x 3/5 x 3/4 = 0.1125

Final Probability = 0.3375 + 0.15 + 0.1 + 0.1125

= 0.7 Answer

7 0
3 years ago
Heeeeeeeeeeeeeellllllllppp
USPshnik [31]

Answer:

Step-by-step explanation:

let price of  one pretzel=x

price of one soda=y

3x+4y=11.25   ...(1)

5x+2y=8.25    ...(2)

multiply by 2

10x+4y=16.50   ...(3)

(3)-(1) gives

7x=5.25

x=0.75

from (1)

3(0.75)+4y=11.25

2.25+4y=11.25

4y=11.25-2.25

4y=9

y=9/4=2.25

cost of one pretzel=$0.75

cost of one soda=$2.25

3 0
3 years ago
What is tan 11pie/6?
Luden [163]

Answer:

= - √3/3

Step-by-step explanation:

Tan ( 11π/6)

= Tan ( (12π - 11π)/6)

= Tan ( 2π  - π/6)

using Tan ( A - B) = (Tan A - TanB)/(1 + TanATanB)

A = 2π   B = π/6

= (Tan 2π - Tan π/6)/( 1 + Tan2π * Tan(π/6)

Tan 2π = 0

=> ( 0 - Tan π/6)/(1  + 0)

= - Tan π/6

Tan π/6 = √3/3

= - √3/3

3 0
3 years ago
Find an equation of the line parallel to y = -2x + 1 and that passes through the<br> point (-3,-4)
jek_recluse [69]

Answer:

y = - 2x -10

Step-by-step explanation:

y = -2x + 1    Slope , m = -2    parallel slope is the same

point slope form of new line

 (y - -4)= -2 ( x - -3)

<u>y = -2x -10 </u>

5 0
2 years ago
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