MATHEMATICS COLLEGE

2. Polygon KLMN is similar to polygon PQRS. What is the length of QR?A. 16 m
B. 9 cm
C. 8 cm
D. 6 cm

Answers

Answer 1
Answer:

Answer:

Is letter D. X=6.

Step-by-step explanation:

3/4.5= 4/QR

18/3=6
Answer 2
Answer:

Answer:I think it c

Step-by-step explanation:

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Find the surface area of the cone in terms of pie 18 height 12 radius
Find a generating function for the sequence of squares: g(x) = P∞ n=0 n 2x n . Then for fun, as above evaluate your expression g(1/100) or g(1/1000) to get a fraction that contains the squares in its decimal expansion.
The girls' swim team is hosting a fund raiser. They would like to raise at least $500 . They are selling candles for $5 and flower arrangements for $6. The girls estimate that at most they will sell 200 items. Write a system of inequalities that models what is going on in this problem. Graph it and find a solution.
Find the general solution of the following equation: y'(t) = 3y -5

Simplify 5/6i please help

Answers

Answer:

5/6 can´t be simplified

Step-by-step explanation:

Answer:

5i/6

Step-by-step explanation:

(5)/(6)i\n\n\mathrm{Multiply\:fractions}:\quad \:a\cdot (b)/(c)=(a\:\cdot \:b)/(c)\n=(5i)/(6)

Steve's mom's age is 7 years less than 3 times Steve's ages.​

Answers

Answer:

y = 3x + 7

(Not sure what the question was so, I just put it in slope intercept form)

Step-by-step explanation:

Let x be Steve's age.

Steve = x

Steve's Mom = y

Now let's create an equation:

y - 7 = 3x

y = 3x + 7

(Not sure what the question was so, I just put it in slope intercept form)

Please let me know if I misunderstood the question that way I can help you! <3

Answer:

Steve's mom is 65.

Step-by-step explanation:

Let s = Steve's age.

s + (3s - 7) = 65

4s - 7 = 65

4s = 72

s = 18

Check:

Steve is 18

His mom is (3 * 18) - 7 = 54 - 7 = 47

14 + 47 = 65

Yep.

18 + 47 = 65

Will mark brainliest, 60 points

Answers

Answer:

\boxed{ \bold{ \sf{ \: 1. \: \: \: \: \: 198}}}

\boxed{ \bold{ \sf{2. \: \: \: \: \: - 8}}}

\boxed{ \bold{ \sf{ 3. \: \: \: \: \: (64)/(343) }}}

Step-by-step explanation:

1. Given, u = 20 , x = 4 , y = 7 , z = 10

\sf{ (u)/(z) + x {y}^(2) }

⇒\sf{ (20)/(10) + 4 * {7}^(2) }

⇒\sf{ (20)/(10) + 4 * 49}

⇒\sf{ (20)/(10) + 196}

⇒\sf{ (20 + 196 * 10)/(10) }

⇒\sf{ (20 + 1960)/(10) }

⇒\sf{ (1980)/(10) }

⇒\sf{198}

2. \sf{4( - 2)}

Multiplying or dividing a positive integer by any negative integer gives a negative integer

= -8

3. \sf{( (4)/(7) ) ^(3) }

⇒\sf{( \frac{ {4}^(3) }{ {7}^(3) } })

⇒\sf{ (4 * 4 * 4 )/(7 * 7 * 7)}

⇒\sf{ (64)/(343) }

Hope I helped!

Best regards! :D

Answer:

\Huge \boxed{\mathrm{18. \ \ \ 198}} \n\n\n \Huge \boxed{\mathrm{19. \ \ \ -8}} \n\n\n \Huge \boxed{\mathrm{20. \ \ \ (64)/(343) }}

\rule[225]{225}{2}

Step-by-step explanation:

18.

\displaystyle (u)/(z) +xy^2

u = 20, x = 4, y = 7, and z = 10.

\Rightarrow \displaystyle (20)/(10) +(4)(7)^2

\Rightarrow \displaystyle 2+(4)(49)

\Rightarrow 2+196

\Rightarrow 198

19.

4(-2)

Rewriting.

\Rightarrow -(4*2)

Multiplying.

\Rightarrow -8

20.

\displaystyle ( (4)/(7) )^3

Distributing the cube sign to the numerator and the denominator.

\Rightarrow \displaystyle (4^3 )/(7^3 )

\Rightarrow \displaystyle (64)/(343)

\rule[225]{225}{2}

9s − 5 s = 8 knnnkjbkbbhjhghuj

Answers

9*8=72

72-5=67

The final answer is 67.

Please mark Brainliest

Thank you

Amir went on a bike ride of 60 miles. He realized that if he had gone 5 mph faster, he would have arrived 6 hours sooner. How fast did he actually ride? Amir rode mph on his trip.

Answers

Step-by-step explanation:

distance / rate = time

x = original speed mph

60/x = t

Then at 5 mph faster

60/(5+x) = t - 6      re-arranged for   t = 60/(5+x)  + 6

   equate the two definitions of 't'   then solve for 'x'

60/x = 60/(5+x) + 6

60 = 60x/(5+x) + 6x

60(5+x) = 60x +6x(5+x)

300 + 60x = 60x + 30x + 6x^2

6x^2 +30x -300 = 0    Use Quadratic Formula to find x = 5 m/hr

Which expression is the simplest form -(4x^3+x^2)+2(x^3-3x^2)

Answers

The simplest form of the given expression (4x^(3) +x^(2) )+2 (x^(3) -3x^(2) ) is,

6x^(3) - 5x^(2).

Here, given expression is,

(4x^(3) +x^(2) )+2 (x^(3) -3x^(2) )

What is simplest form of equation?

The simplest form is the smallest possible equivalent fraction of the number.

Now,

Simplest form of expression,

(4x^(3) +x^(2) )+2 (x^(3) -3x^(2) )\n4x^(3) +x^(2) +2 x^(3) -6x^(2) \n6x^(3) - 5x^(2)

Hence, The simplest form of the given expression (4x^(3) +x^(2) )+2 (x^(3) -3x^(2) ) is, 6x^(3) - 5x^(2).

Learn more about the simplest form of the expression visit:

https://brainly.in/question/19257508

#SPJ2

Answer:

6x^3-5x^2

Step-by-step explanation:

(4x^3+x^2)+2(x^3-3x^2)

4x^3+x^2+2x^3-6x^2

4x^3+2x^3+x^2-6x^2

6x^3+x^2-6x^2

6x^3-5x^2
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