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gtnhenbr [62]
1 year ago
10

Please help i need to write out my work to so please tell me how to show it

Mathematics
2 answers:
myrzilka [38]1 year ago
7 0
A) C=3.14 x radius x 2 or C= 3.14 x diameter
C= 3.14 x 7 ( because diameter is already given)
C = 21.98
B) 3.14 x 9 x 2 ( r is given )
C= 28.26 x 2
C= 56.52
C) 3.14 x 5 x 2 ( r is given )
C= 31.4
Anarel [89]1 year ago
3 0
For the first one write 9 divided by 2 gives your your radius an it’s 3.5. the formula is 2 x 3.14 x radius and that gives you 21.98.

the 2nd one is 2 x 3.14 x 9 = 56.52

the 3rd is 2 x 3.14 x 5= 31.4

formula is always 2 x 3.14 (or pie) x radius

to get your radius from your diameter you do your diameter divided by 2
You might be interested in
You have just bought a new television and it has an aspect ratio of 16:9. The screen on the television is 65 inches. What is the
sp2606 [1]

Answer:

A

Step-by-step explanation:

The TV to have a 16:9 ratio and have a diagonal of 65 inches must have a length & width whose squares add to 4,225 (65 squared) and whose ratio length and width simplifies to 16/9.

B is not an option because 16^2+9^2\neq 65^2.

C is not an option because \frac{42.59}{21.22}\neq \frac{16}{9} which is 1.777777777778 as a decimal.

D fails for the same reason as C.

Therefore A is the solution because \frac{56.65}{31.86}=\frac{16}{9} and 65.65^2+31.86^2 = 65^2


4 0
3 years ago
Option A<br>Option B<br>Option C<br>Option D​
12345 [234]

Answer:(B) ASA

Step-by-step explanation:

8 0
2 years ago
A driver has three ways to get from one city to another. There is an 80 % chance of encountering atraffic jam given he is on rou
lukranit [14]

Answer:

The probability is 0.64

Step-by-step explanation:

What we want to calculate here is conditional probability.

Let P(A )= Probability of using route A = 50% = 0.5

Let P( B )= probability of using route B = 25% = 0.25

Let P (C )= probability of using route C = 25% = 0.25

Let T be the probability that he will be in a traffic Jam

The probability that he will be in a traffic Jam if he uses route A = 80%

Mathematically this is written as P( T | A) which is read as probability of T given A

so P( T | A) = 0.8

Same way for B and C which can be written as follows;

P( T | B) = 60% = 0.6

P( T | C) = 30% = 0.3

Now, what do we want to calculate?

He is in a traffic Jam, and we want to find the probability that he used route A. This means we want to find P(A) given T which can be written mathematically as P ( A | T)

We can find this using the other parameters and especially the equation below;

P ( A | T) = P(A) • P( T| A) / {P(A) • P ( T | A) + P(B)• P(T| B) + P(C) • P(T|C)

P( A | T) = (0.5 * 0.8)/ ( 0.5)(0.8) + (0.25)(0.6) + (0.25)(3) = 0.4/(0.4 + 0.75 + 0.075) = 0.4/0.625 = 0.64

4 0
2 years ago
4-14 Practice Problems
Kazeer [188]

Answer:

5 months

Step-by-step explanation:

Equation A: 15+30x

Equation B: 35x

In 5 months Gym a will cost 15+30(5) or $175 and Gym B will also cost $175.
Basically all you have to do is apply reasonable numbers until you find out where the costs will meet up.

6 0
2 years ago
Can someone please help me. It's for the elimination method.
mojhsa [17]
Since there is 101 Tickets, 
Let S + A = 101
1.50S + 2.50A = $186.50



Adults + Students = 101

$186. 50 = $2.50 Adults + $1.50 Students

Answer is 35 Adults, and 66 Students.




Hope that helps!!!
6 0
2 years ago
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