a chess player played 20 games total. if he won 2 of the games, what is the ratio of games he lost to games he won?

Answers

Answer 1

Answer: $20-2=18\n\sf\nSo,~ he~ lost~ 18~ games.\n\ngames~ lost:games~ won\n\nThe~ ratio ~is \n18:2\n\nWhich~ can~ be~ simplified ~to\n9:1$

Answer 2

Answer: 1. Find the ratio of the Chess player in where he played a total of 20 games and won 2 of the games.
Ratio is considered as the quantitative relationship between to numbers that show the value of both sides.
Now, in the chess game, there are 20 games in all and he won 2 games. To get the ratio of his lose and win, simply subtract 2 from 20
=> 20 -2 = 18
thus, the ratio of the chess game is
=> 18 : 2
=> 18 is the lose
=> 2 is the win.

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Need help pleaseeeee:)
The sum of twice a number and 10 is 36
Twenty five X squared minus one hundred and forty four

I need help thank you.

Answers

okay so this is going to take some time and I'm doing them by the numbers on them, not in the order you put them on here

Question 1: flagpole
angles are 27, 90, and 63 and height is x and hrizontal distance is 12
sin27/12 = sin63/x
x = sin63 / (sin27/12)
x= approx. 23.6

Question 2: eagle and prey
angles are 75, 90, and 15 and horizontal distance is x and height is 300ft
sin15/300 = sin75/x
x = approx. 1,120 ft (c)

Question 3: difference in heights
smaller triangle angles = 51, 90 (those are the only ones you need to know) height is x and hypotenuse is 805
sin90/805 = sin51/x
x= 625.602
larger triangle angles = 54, 90 (again, the only ones you need to know) height is x and hypotenuse is 846
sin90/846 = sin54/x
x=684.428
take the difference = approx. 59 (a)

Question 4: angle of depression of plane
angles = 85, 90, and 5 and height is x and horizontal distance is 4629
sin85/4629 = sin5/x
x=approx. 405 (d)

last one!!!!!!!!

Question 5: shadow of a tree
angle of elevation is x (you also have a 90 degree angle) height is 10 yards and horizontal distance is 14 yards and hypotenuse is y
14^2 + 10^2 = y^2
y= approx. 17.205
sin90/17.205 = sinx/10
x = sin^-1(10(sin90/17.205))
x = approx. 36 (d)

hope this helped

The equation below shows the relationship between the temperature in degrees Celsius, C, and degrees Fahrenheit, F:C = 5 over 9(F − 32)

Which of the following formulas correctly solves for F?

F = 9 over 5C + 32

F = 9 over 5C − 32

F = 9C + 32 over 5

F = 9C − 32 over 5

Answers

Answer:

Option 1 - F = 9 over 5C + 32

Step-by-step explanation:

Given : The equation below shows the relationship between the temperature in degrees Celsius, C, and degrees Fahrenheit, F:

C = 5 over 9(F − 32)

To find : Which of the following formulas correctly solves for F?

Solution :

We can write the equation as

$C=(5)/(9)(F-32)$

Now, we solve for F,

Multiply both side by 9,

$9C=5(F-32)$

Open the brackets,

$9C=5F-160$

$9C+160=5F$

Divide both side by 5,

$(9C+160)/(5)=F$

Solve,

$(9)/(5)C+32=F$

So, The value of F is F=9 over 5C +32.

Therefore, Option 1 is correct.

th first answer
F = 9 over 5 C + 32

Math question6. Marla swims twice a week. Her equipment cost her $32.85 and she has a membership to the pool for $35 plus $3.50 per visit. She can walk to the pool, so transportation is free. How much will swimming cost her for the year?
(Points : 1)
$431.85
$249.85
$396.85
$492.75

Answers

Answer: Swimming will cost $431.85 for Marla (per year).

Step-by-step explanation:

Hi, to solve this we have to calculate how many weeks are in a year:

If a year has 365 days, we have to divide it by 7 ( the number of days in a week)

So: 365 / 7 =52.14 = 52 weeks

Now, with the information given we have to multiply the number of weeks by the cost per visit multiplied by 2 ( because marla swims twice a week) and add the quipment cost ($32.85) and the membership cost ($35).

Mathematically speaking:

$3.50 x 2 x 52 w + $32.85 + $35 =

$364 + $32.85 + $35 =$431.85

In conclusion, swimming will cost $431.85 for Marla (per year).

$431.85. I got this by multiplying the amount of weeks in a year (52) by two to get 104. I then multiplied that by 3.5 to get 364. I then added 32.85 and 35 to that to get $431.85

Can someone help me with this question

Answers

Hi there!

Great question!

Looks like your camera was pointing toward question 6, so I'll answer that one.

First of all, we can substitute the x for the 2, since that value is given.

So, our equation would look something like this -

$(14 - 2 * 2)/(5) :)$

According to PEMDAS, we'll multiply the 2 by the 2. :P

2 × 2 = 4

Next, we're supposed to subtract the 14 from 4.

14 - 4 = 10

Finally, we can divide 10 by 5, which leaves us with 2, aka answer choice C. :)

Hope this helps! :D

If you're talking about Question 6:

14 - 2x divide 5

2 is x, so 2*2=4

14 - 4 divide 5=

10 divide 5=

Answer: 2 , 3rd answer on the screenshot / C

The area of a circle of radius r is given by A=\pi r^2A=πr 2 and its circumference is given by C=2\pi rC=2πr. At a certain point in time, the radius of the circle is r=8r=8 inches and the area of the circle is changing at a rate of \frac{dY}{dt}=\pi\sqrt{2} dt dA =π 2 square inches per second. How fast is the radius of the circle changing at this time