(2x+3x) x 3+15=12x+36

Answers

Answer 1

Answer:

Is this what you meant?

(2x + 3x) × (3 + 15) = 12x + 36

(5x) × (18) = 12x + 36

90x = 12x + 36

78x = 36

x = 36 / 78

x = 18 / 39

_____________________

or

3(2x+3x) + 15 = 12x + 36

10x + 15 = 12x + 36

-21 = 2x

2x = -21

x = -21/2


Related Questions

A basketball stadium has 15 ,002 zero seats the lower level has 54 than three times as many seats as the upper level the middle level has 40 more than twice as many seats as the upper level used to solve for x and found that the upper level has 2,502 sears

Answers

Answer:

There are 7456 seats on the lower level and there are 5044 seats on the middle level.

Step-by-step explanation:

Let 'X" be the number of seats on the upper level. Then we can find how many seats are on the lower level by solving the following equation...

# of seats on the lower level = 3x - 50

# of seats on the lower level = 3(2502) - 50

# of seats on the lower level = 7456

Now we just make the equation for the number of seats on the middle level, and so we get...

# of seats on the middle level = 2x + 40

# of seats on the middle level = 2(2502) + 40

# of seats on the middle level = 5044

Given that f(x) = 3x ^ 3 + x - 1 evaluate the function f(- 2)

Answers

Answer:

-27

Step-by-step explanation:

3(-2)³-2-1 =

3(-8)-3 =

-24-3=-27

Kallisto built a rectangular sign that measured 2 and 3/4. The width is 1 and 1/4 shorter than the length. To find the area, multiply the length and width. What is the area in square feet write an equation to solve it

Answers

Answer:

l = 1 5/16

w = 1/16

A = 21/16 x 1/16 = 21/256

Step-by-step explanation:

Perimeter = 11/4

l = length

w = l - 5/4

2l + 2(l - 5/4) = 11/4

2l + 2l - -5/2 = 1/4

multiply each side by 4

8l + 8l - 10 = 11

16l = 21

l = 21/16 or 1 5/16

width = 21/16 - 20/16 = 1/16

The bike Razi wants to buy costs
$250. He babysat 4 times for a total of 15
hours. He has also mowed the lawn 5 times.
Has he earned enough money to buy the
bike?

Answers

Answer:

Not enough information

Step-by-step explanation:

So, we first know that the bike costs 250 dollars. We also know that he babysat for 15 hours, and mowed the lawn 5 times. However, we do not know how much money he has, or how much he made. Sure, doing extra chores could of made him money, but in this question it doesn't say how much money he made. Therefore, we cannot answer this question because, although we have the value of the bike's cost, we do not know how much Razi has. Hope this helps you!

(5y-3)(7y^2+11)
Simplify

Answers

Answer:

35y^3+55y-21y^2-33

Step-by-step explanation:

that's the answer

Answer

[tex]70 {y}^{2} + 13y - 33[/tex]

Step-by-step explanation:

I think that's the answer I'm not sure

find endpoint T, given an endpoint S (-2, 9) and Midpoint M (8, 0)

Answers

(-12, 18) i believe is the midpoint

please help me on this question

Answers

The answer to the question is C

Solve the right triangle. Round decimal answers to the nearest tenth.

Answers

The main question isn't supplied.

Answer:

Kindly check explanation

Step-by-step explanation:

A right - angled triangle is one which has one of its angles being 90°. Once we have a right angled triangle, the rule of Pythagoras can be applied in other to solve problems relating to obtaining sides of the triangle while trigonometric relations including :

Sinθ = opposite / hypotenus

Tanθ = opposite / Adjacent

Cosθ = Adjacent / Hypotenus

To obtain the angle θ; depending on which of the sides are given.

From Pythagoras :

c² = a² + b²

Where, c = hypotenus and the longest side if the triangle.

Can anyone please help me to do this with steps

Answers

Hello, I Am BrotherEye

Answer:

I Will Help You!!

But I require More imformation Step-by-step explanation:

Bsmskak the help tie shoes tha ent t this be j294

Find the gradient of the line segment between the points (-1,3) and (1,-2).
Give your answer in its simplest form.

Answers

The answer is -5/2, hope this helps you!

Answer pllzzzzzzzzzzzz

Answers

Answer:

Step-by-step explanation:

3 a) 6

3 b) 12

3 c) 12

4 a) 4/5

4 b) 10/9

4 c) 17/15

help please !!!!!!!!​

Answers

Answer:

n = 4

Step-by-step explanation:

Given

[tex]\sqrt{64}[/tex] × [tex]\sqrt[3]{8}[/tex]

= 8 × 2

= 2³ × [tex]2^{1}[/tex]

= [tex]2^{(3+1)}[/tex]

= [tex]2^{4}[/tex] → with n = 4

To model some data, Anne ran a linear regression and found the regression equation to be y=0.554x-0.507.

Answers

Answer:

See Explanation

Step-by-step explanation:

Given

[tex]y = 0.554x - 0.507[/tex]

The question is incomplete; however, a possible question could be to interpret the given equation.

The equation is given in slope intercept form i.e. [tex]y = mx + b[/tex]

Where

[tex]m = slope[/tex]

[tex]b = y\ intercept[/tex]

So, by comparing:

[tex]y = mx + b[/tex] to [tex]y = 0.554x - 0.507[/tex]

[tex]m = 0.554[/tex]

[tex]b = -0.507[/tex]

Hence, the slope of the regression is 0.554 and the y intercept of -0.507

Please help me with this question

Answers

Answer:

If you know the area of one triangle, then you can multiply it by 2 to get the area of the parallelogram, because the other triangle is congruent.

Find the gradient of the line segment between the points (-1,3) and (1,-2).
Give your answer in its simplest form.

Answers

Can someone please on this , I need help on this too !!

-5/2

Step-by-step explanation:

-2-3/1-(-1) = -5/2

3(g + 4) = 9
Need help

Answers

Answer:

g=-1

Step-by-step explanation:

3(g+4)=9

Divide both sides by 3.

g+4=  9/3

Divide 9 by 3 to get 3.

g+4=3

Subtract 4 from both sides.

g=3−4

Subtract 4 from 3 to get −1.

g=−1

Answer:

3(g+4)=9

or, 3(g+4)/3=9/3 [Dividing both sides by 3.]

or, g+4=3

or, g+4-4=3-4 [Subtracting 4 from both sides.]

So, g=-1

A dog and a cat are 200 meters apart when they see each other. The dog can run at a speed of 30 meters per second, while the cat can run at a speed of 24 meters per second. How soon will the cat catch the dog if the cat starts running after the dog?

Answers

Answer:

I think after 1.6 s it Will catch the dog

is this rational or irrational?

Answers

Answer:

rational

hope it helps.

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Answers

Answer:

3100

Step-by-step explanation:

V=πr2h

 = 3.14 x [tex]10^{2}[/tex]x10

 = 3100

Please help no fake answers or links please

Answers

D none of them fit the data set.

Answer:

I think B as all the dots are near the line B

[tex]\mathtt{: )}[/tex]

Answer ASAP! Best Answer Will Be Awarded, Links Will Be Reported. Thanks!

Answers

Answer:

D

Step-by-step explanation:

They're not similar because the angle lengths are different.

Smart People Come Get Yall Juice...

Answers

Answer:.......................

Step-by-step explanation: where is the juice...?

We need help over here y’all

Find the Prime Factorization of 32, using the Factor Tree.

Answers

Answer:

32 = 2x2x2x2x2

Step-by-step explanation:

32 = 2 x 16  

16 = 2 x 8

8 = 2 x 4

4 = 2 x 2

Use the exponential growth/decay formula a. b* to solve each equation.
24. The population of Bayside, CA increased from 23,560 in 1990. The annual rate of
population increase for the next 20 years was about 6%. Predict the population of Bayside in
2010.

Answers

Answer:

the population in 2010 is 75,656.33

Step-by-step explanation:

Given that

The increase in population in the year 1990 is 23,560

The Annual rate of interest is 6%

And, the time period is 20 years

We need to find out the population in 2010

So, the following formula should be used

= Population × (1 + rate)^time period

= 23,590 × (1 + 0.06)20

= 23,590 × 1.06^20

= 75,656.33

hence, the population in 2010 is 75,656.33

4. Triangle ABC with vertices A(2,3), B(5,8), and C(9,2) is graphed on the coordinate plane below.
Which equation represents the altitude of Triangle ABC from vertex B?

Answers

Answer:

y = 7x-27

Step-by-step explanation:

In the figure below,the segments JK and JL are tangent to the circle centered at O.Given that JL =13.2 and OJ=16.5,find OK.

Answers

Answer:

OK=9.9

Step-by-step explanation:

KJ and LJ both are on the circumference, are secants and coincides at the same outer point so they are equal.

JK=LJ so JK=13.2

Tangents are perpendicular to radius so the triangle in the circle is a right triangle.

Apply pythagorean theorem to find OK

[tex] {x}^{2} + 13.2 {}^{2} = 16.5 {}^{2} [/tex]

[tex]x = 9.9[/tex]

You use 7 1/2 c flour to make 3 loaves of bread. The second person uses the same recipe. He will make b loves of bread using f cups of flour. Write an equations that represents of the relationship between b and f.

Answers

Answer:

b = 2/5f

Step-by-step explanation:

Cups of flour = loaves of bread

7 1/2 c = 3

c = 3 ÷ 7 1/2

c = 3 ÷ 15/2

= 3 × 2/15

= 6/15

= 2/5

c = 2/5

Cups of flour = loaves of bread

2/5 f = b

b = 2/5f

20 points!!! Permutations and combinations question.

Answers

Answer:

7,9,10

hope it helps

have a good night

características de una
función de seno

Answers

Answer:

Son funciones periódicas con un período de. 2 π. ... La gráfica de y = sin x y = sin x es simétrica con respecto al origen, porque es una función impar. La gráfica de y = cos x y = cos x es simétrica con respecto al eje y, porque es una función par.

Step-by-step explanation:

marque esta respuesta como la más inteligente

Cuando tienen el periodo

Find the missing number to make these fractions equal. 6/? = 4/12

Answers

Answer is 18

Step by step explanation

6/? = 4/12
?=6*12/4=18
The answer will be 18
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