Mathematics College

PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer 1

Answer:

[tex] R = \frac {3ST}{2S + T} [/tex]

Step-by-step explanation:

Given the equation;

[tex] \frac {3}{R} - \frac {1}{S} = \frac {2}{T} [/tex]

Rearranging the equation, we have;

[tex] \frac {3}{R} = \frac {2}{T} + \frac {1}{S} [/tex]

Lowest common multiple (LCM) of S and T is ST.

[tex] \frac {3}{R} = \frac {2S + T}{ST} [/tex]

Cross-multiplying, we have;

[tex] 3ST = R(2S + T) [/tex]

Making R, the subject of formula;

[tex] R = \frac {3ST}{2S + T} [/tex]

Related Questions

(-7)+b=(-11) what does b=

Answers

Answer:

-4 or 4

Step-by-step explanation:

:)

A snail crawled 7 miles in 8.4 hours. At this speed, how long would it take the snail to crawl 10 miles?

Answers

12 hours I think. Hope this helps.

Answer: 12 hours

Step-by-step explanation:

Let's set the speed as "s".

Remember that distance = speed * time

So, plugging the numbers given...

7 = s * 8.4

Divide both sides by 8.4

s = 5/6

Now, plug this into the distance = speed * time, with the distance being 10. Set the time as "t"

10 = 5/6 * t

Divide both sides by 5/6

12 = t

So, it would take 12 hours for the snail to crawl 10 miles.

For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
8
9

Answers

A squared plus b squared equals c squared. 8 squared is 64 and 9 squared is 81. 64+81 is 145. 145 square root is rounded to 12.

find the volume of cuboid whose Length breadth and height are 3cm 4cm and 5cm respectively​

Answers

Answer:

volume of cuboid(v)=l*b*h

3cm*4cm*5cm

60cm cube

ano ang katangian ng isang bionote?​

Answers

Explanation:Ang bionote ay hindi tulad ng isang karaniwang Tala buhay kung saan niroromantisa ang naging buhay ng tampok na indibidwal. Ang bionote ay isang maikling talata na naglalaman ng isang pinaikling talambuhay. Pinaikli, sapagkat't ito ay naglalaman na lamang ng mga impormasyon na totoo at direkta.

Karaniwang nilalagay lamang sa bionote ang lugar ng kapanangakan, pinag-aralan, nakamit ng mga pangaral,at mga naisulat na akda

Find the missing the terms of the arithmetic sequence

Answers

Answer:

1.7

Step-by-step explanation:

2.3, 3.1, 1.9, 1.7, 1.5 (-0.2)

simplify
[tex] {a}^{2} - {b}^{2} [/tex]
​

Answers

Answer:

a² - b²

= (a+b) (a-b)

Hope it helps!

Someone help me :') picture attached

Answers

Answer:

the slope of the line is -4

Step-by-step explanation:

Answer:

-3

Step-by-step explanation:

pls who can help me ans my maths questions plssss and I will give you a brainliest ​

Answers

Answer:

but please where is the question?

Solve for × and write answer in interval notation.
[tex] \frac{1}{x + 1} \geqslant \frac{3}{x - 2} [/tex]
​

Answers

Answer:

( -∞, -2.5] ∪ (-1, 2)

Step-by-step explanation:

1/(x + 1) ≥ 3/(x - 2)

x - 2 ≥ 3(x + 1)

x - 2 ≥ 3x + 3

x - 3x ≥ 3 + 2

-2x ≥ 5

x ≤ -2.5

Interval notation:

( -∞, -2.5] ∪ (-1, 2)

1. Solve the inequality 2x-5>11​

Answers

Answer:

X=9

Step-by-step explanation:

2(9)-5 > 11

18-5 > 11

13>11

2x-5>11

2x-5+5>11+5 five will be cancelled five

2x>11+5

2x>16 divide 2 by 2 you get x then divide 16 by 2

x>8 this means x is greater than eight {x= 9,10,11,12.......}

Find the mean absolute deviation of the set of data. Round your answer to two
decimal places.
3, 1, 5, 4, 8,6

Answers

Answer:

134568

Step-by-step explanation:

go go go

a number and multiplied by 7?

y + 7

y / 7

y - 7

7y

Answers

its 7y bcs y + 7 is addition,y / 7 is division and y - 7 is subtraction

3) Kweku had 300 mangoes. He sold
240 of them - What is the percentage of
mangoes left.​

Answers

Answer:

20%

Step-by-step explanation:

300 - 240 = 60  ÷  300 = 20% mangoes.

Rewrite the expression by combining like terms.
8y^2 + 7xy – 2y^2 - 5xy + 2x

Answers

6y²+2xy+2x

Step-by-step explanation:

8y²-2y²=6y²

7xy-5xy= 2xy

2x=2x

God 7: buogjfhfhgghuhyyhhhhhhhhh

help me dont put link when answering question

Answers

Answer:

b

Step-by-step explanation:

The rare tweety-birds are decreasing at a rate proportional to the
amount present. On January 1st there are 10,000 tweety-birds.
Fifteen days later, there are only 9,000.
(Problem la, 3 points)
Write a formula for the total amount of birds.

Answers

10,000+15x=9000 is the answer

mr. denson has a sqaure

Answers

Answer:

Nice square Mr. Denson.

Step-by-step explanation:

What is the ratio of 4 to 12

Answers

Answer:

3?

Step-by-step explanation:

Find the derivative of f(x) = -12x2 + 9x at x = 6.
a) -112.5
b)-135
c)90
d)108

Answers

hi

f(x) = -12x²+9x

So

f'(x) =  -24x +9

if  x = 6   then  f'(6) = -24 (6) +9 = -135

FInd the unknown value of:
18 = 3 + x
x = ?

Answers

the answer to the equation is x=15



Cooking oatmeal requires 1 cup of water for every
cup of oats. How many cups of water will be required for
3/5
cup of oats?

Answers

Answer:

have no idea

Step-by-step explanation:

Hope someone else answers and sorry that ai didn't answer

Is x=5 a solution to the equation: 4x=20

Answers

Yes it would be!!!!!!!

Answer:

Step-by-step explanation:

4(x-5)=4x-20

4x-20=4x-20

+20 +20

4x=4x

-4x -4x therefore there's infinite solutions

0=0

Help please include explanation screenshot attached and brainliest to correct answer

Answers

Answer:

x>-8 (Or option D)

Step-by-step explanation:

-2x+7<23 Subtract 7 from both sides

-2x<16 Now divide by -2. You also have to flip the < sign because you are dividing by a negative number

x>-8

The reasoning for D over C is because D is an open circle meaning that it is only less than or greater than. When it is a closed circle, it means less than or equal to or greater than or equal to. :)

Write the standard form of the equation of the circle with center (7,1) that also contains the point (−1,−5).

Enter the equation in simplest terms.
pls no links. my computer can't open

Answers

Answer:

[tex](x-7)^2+(y-1)^2=100[/tex]

Step-by-step explanation:

1) Find the radius

We can do this by using the distance equation with the centre (7,1) and the given point (-1,-5):

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex] where the two points are [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]

Plug in the points (7,1) and (-1,-5)

[tex]d=\sqrt{(-1-7)^2+(-5-1)^2}\\d=\sqrt{(-8)^2+(-6)^2}\\d=\sqrt{64+36}\\d=\sqrt{100}\\d=10[/tex]

Therefore, the radius of the circle is 10 units.

2) Plug the data into the equation of a circle

Equation of a circle (when not centred at the origin):

[tex](x-h)^2+(y-k)^2=r^2[/tex] where the centre is [tex](h,k)[/tex] and r is the radius

Plug in the centre (7,1) as (h,k)

[tex](x-7)^2+(y-1)^2=r^2[/tex]

Plug in the radius 10

[tex](x-7)^2+(y-1)^2=10^2\\(x-7)^2+(y-1)^2=100[/tex]

I hope this helps!

The sum of the interior angle measures of a convex polygon is 540° . How many sides does it have?

Answers

The answer
5
Explanation
The shape is a pentagon

Type the correct answer in each box. Use numerals instead of words.
What is the inverse of this function?
f(x)=-V7 + 3, * > -3
x²-0 for xs

Answers

Answer:

4

3

0

Step-by-step explanation:

what is equivalent to 5:2

Answers

Answer:

2.5:1 or 2.5

Step-by-step explanation:

5/2 ÷ 2 would give you 2.5/1 or 2.5

hhhhhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeelllllllllllllllllllllllllllpppppppppppppppp please this the last question so I could get a b

Answers

Answer:

What is your question so I can answer it directly okay

What is the function as to how it’s graph is related to the parent function f(x)=3squared

Answers

I have to go to the gym and I have to go to the gym and I have to go to the gym and I have to go to the gym and I have to go to the gym and I
Other Questions
i dont understand help A can contains 24 fluid ounces of fruit juice. How many pints of fruit juice does the can contain. A.12ptB.3ptC.1 1/2D.1/3 Priya can bike 150 meters in 20 seconds. At this rate, how long would it take her to bike 3,000 meters? Complete the table to help determine the number of seconds. List at least four ways Ivan the Great (Ivan III) gained territory and power within Russia. In order to solve the question below, what would be a valid first step? A, b, c or d ? One of the biggest sources of greenhouse gases released into theatmosphere is emissions from burning fossil fuels. How could carbonsequestration help alleviate problems associated with burning fossil fuels?A. It could make fossil fuels a clean-burning energy resource.B. It could prevent carbon dioxide from being a greenhouse gas.O C. It could prevent released carbon dioxide from entering theatmosphere.D. It could make fossil fuels a renewable energy resource. Jay bought a guitar on sale at 45% off. The original price was $576.75.(a)Find the amount of discount. (Round your answer to the nearest cent.)$ (b)Find the sale price. (Round your answer to the nearest cent) round 0.185309 to 2 SF 10. Moltke's prediction in Source 1 about the consequences of a potential war between Germany and France ismost directly explained by the fact that... The radius of a baseball is approximately 2.5 inches. What is its volume? The ounces of yellow paint, y, needed to mix with x ounces of blue paint to make a certain shade of green paint can be represented by the equation y = 1.5x. What is the constant of proportionality of the equation? Which of the following statements about the similarity between rectangles and squares is not true? Both rectangles and squares are quadrilaterals. Both rectangles and squares have two sets of parallel sides. Both rectangles and squares have four right angles. Both rectangles and squares have four sides of equal length. What is the answer to this question What is a Protein Made of?pls, explaindont copy and paste ofwhat googllesaid plsssssss All of these questions should be asked during the planning phase of the writing process except:AWhat am I being asked to write?BWho is the audience for my essay?CWhat do I want to accomplish in my essay?DWhat ideas should I include in my first paragraph? Why has mainland Britain MOST LIKELY not been conquered by outside invaders since 1066? A.British people are cleverer politically in most of the wirld. B.It is surrounded on all sides by large bodies of water. C.It is protected by ALPS D.British people are better warriors than people in rest of the world HELP ME PLEASE IT WOULD BE NICE free puints ?!?!?!?!?! 29 over 11 as a decimal 30 point. What is formed when a hydroxyl group is substituted for a hydrogen?