For each expression, combine like terms and write an equivalent expression with fewer terms. 3x + 5x - 1

Answer:

1156

Step-by-step explanation:

34*34

Answer:

The air the sound travels through cools down.

Step-by-step explanation:

I guessed a different answer on a test but the test said this was the right answer.

C. The air the sound travels through cools down will  cause a sound wave to slow down

A wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air is called a sound wave

Liquid and solid will be more denser than air . So, the sound wave travel faster in them as compared to air

hence , option A. The sound passes from air into a liquid and  D. The sound passes from air into a solid. are wrong options for slowing down the speed of sound wave

Heat is a from of kinetic energy , molecules at higher temperature have more energy and can vibrate faster and allow sound wave to travel more quickly , hence  B. The air the sound travels through warms up.  is wrong answer

correct answer is C. The air the sound travels through cools down will  cause a sound wave to slow down as speed of sound as for each 1 degree Celsius that temperature decreases, the speed of sound decreases by 0.6 m/s .

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The [tex]x^{th}[/tex] number in the sequence will be   [tex]F[x]=\dfrac{5}{2} F[x][/tex]

The given function is

[tex]F[x]=\dfrac{3}{2} \times \dfrac{5}{2}^{x-1}[/tex]

Now at  [tex]x=x+1[/tex] for the function

[tex]F[x+1]=\dfrac{3}{2} \times \dfrac{5}{2}^{x+1-1}[/tex]

[tex]F[x+1]=\dfrac{3}{2} \times \dfrac{5}{2}^{x }[/tex]

Now we can write

[tex]F[x+1]=\dfrac{3}{2} \times \dfrac{5}{2}^{x-1} \dfrac{5}{2}^1[/tex]

Since     [tex]F[x]=\dfrac{3}{2} \times \dfrac{5}{2}^{x-1}[/tex]

so

[tex]F[x]=\dfrac{5}{2} F[x][/tex]

Thus the [tex]x^{th}[/tex] number in the sequence will be   [tex]F[x]=\dfrac{5}{2} F[x][/tex]

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Answer:

A

Step-by-step explanation:

Took exam and got 100

Answer:

Follows are the description of the given point:

Step-by-step explanation:

Please find the correct question in the attached file.

In point A:

An order of 5 items shall be placed in a total of 6 different ways.  

(w for cars and ts and tricycles to be used)

[tex]\to 5w=20 wheels\\\\\to 4w+1t= 19 wheels\\\\\to 3w+2t=18 wheels\\\\\to 2w+3t=17 wheels\\\\\to 1w+4t= 16 wheels\\\\\to 5t=15 wheels\\\\[/tex]

In point B:

2 waggons so more tyres would be required if they ordered any more waggons.  

[tex]work: \\\\ \to 2 \times 4=8 \\\\ \to 3 \times 3=9 \\ \\ \to 8+9=17[/tex]

Answer:

Step-by-step explanation:

16. 9a=15x12

9a=180

a=20

17. 9-t=t+3

-t-t=3-9

-2t=-6

t=6/2

t=3

18. 2y+12=3y+12-y

2y+y-3y=12-12

0=0

=> 2y= -12

y= -6

19.

17+3z-6-11z=-7z-14

17+3z-6-11z+14=-7z

17-6+14=-7z-3z+11z

25= -10Z+11z

25=Z

Answer:

$99

Step-by-step explanation:

you spend 3/4 of $500 on clothes which is $375, you have $125 left. you then spend $20 on food which leaves you with $105, after purchasing the drinks ($3 + $3) you has $99 left.

Step-by-step explanation:

I am not sure if I understand you right about what is needed.

I would understand we need the angle BAC (at A).

first of all, this is a right-angled triangle.

Pythagoras applies :

c² = a² + b²

with c being the Hypotenuse (side opposite of the 90° angle).

in our case that means

AC² = x² + y² = 4² + 6² = 16 + 36 = 52

AC = sqrt(52)

now we can use the law of sine to get the other angles.

a/sin(A) = b/sin(B) = c/sin(C)

with the sides and the corresponding angles being opposite.

in our case

y/sin(A) = AC/sin(B) = AC/sin(90) = AC

sin(A) = y/AC = 6/sqrt(52) = 0.832050294...

the angle A = 56.30993247...° ≈ 56.3°

Answer:A

Step-by-step explanation:

The inverse of the function is y = (x +1) /2, the next step is to solve the equation for y, the correct option is A.

A function is a law that relates two variables namely, a dependent and an independent variable.

A function always has a defined range and domain, domain is all the value a function can have as an input and range is all the value that a function can have.

The function is f(x) = 2x -1

The inverse of a function is determined by interchanging the variables x and y and then solving for y in terms of x.

Patel replaced f(x) by y, y = 2x -1

He then switched  x and y, x = 2y -1

The next step is to solve the equation for y.

2y = x +1

y = (x +1) /2

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Answer:

10x + 4

Step-by-step explanation:

14-9 = 5

2x*5=10x

5+10x-1 = 10x+4

Answer:

2.5

Step-by-step explanation:

5 by 2: 2.5

Answer:

Step-by-step explanation:

4.

a) y=mx+b

y=75+125x

b) 125*8=1000+75 equals 1075 dollars

c) he would have to work 9 hours

5.

a) y=55+8x

b) 8*25=200

200+55=255 gallons

Answer:

Show he graph

Step-by-step explanation:

im  jesus

Answer:

d=100

Step-by-step explanation:

If the triangles are similar, that means that if you were to expand the smaller one, it would be the same size as the bigger one.

18 x 5=90

20 x 5=100

Please let me know if this is correct.

Answer:

the slope is 2 the y intercept is -3

Step-by-step explanation:

hope this helps

Answer:

561/4

Step-by-step explanation:

Given that:

Height of first hill (f) = 255 feets

Height of second hill (s) = 11/20 the height of first hill

Height of second hill (s) = 11/20 of 255

Calculate the height of second hill:

s = 11/20 * 255

(11 * 255) / 20

= 2805 / 20

= 561 / 4

Height of second hill = 561/4

Answer:

6/9

Step-by-step explanation:

Answer:

a = (M² - f)/(3d)

Step-by-step explanation:

Step 1: Write equation

M = √(3ad + f)

Step 2: Solve for a

Answer:

y = 3/5x - 2

Step-by-step explanation:

Step 1:

y = mx + b       Slope Intercept Form

Step 2:

y = 3/5x + b     Input Slope

Step 3:

- 2 = 3/5 ( 0 ) + b    Input x and y

Step 4:

- 2 = 0 + b     Multiply

Step 5:

- 2 = b

Answer:

y = 3/5x - 2

Hope This Helps :)

The equation of the line in slope-intercept form is y = (3/5)x - 2.

To find the equation of the line in slope-intercept form (y = mx + b), where 'm' is the slope and 'b' is the y-intercept, we are given the slope (3/5) and a point on the line (0, -2).

Step 1: Use the point-slope form of the equation:

y - y₁ = m(x - x₁)

where (x₁, y₁) is the given point (0, -2) and 'm' is the slope (3/5).

Step 2: Substitute the values:

y - (-2) = (3/5)(x - 0)

Step 3: Simplify:

y + 2 = (3/5)x

Step 4: Isolate 'y' by subtracting 2 from both sides:

y = (3/5)x - 2

Now, we have the equation of the line in slope-intercept form:

y = (3/5)x - 2

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Answer:

No we don't accept that,sorry

Answer:

The volume of each juice box is 15 so 15 times 6 equals 90

Step-by-step explanation

To het volume you have to multiply 1,3 and 5 together to get 15 then 15 times 6 equals 90

Answer:

?/??

Step-by-step explanation:

Answer:

what

Step-by-step explanation:

what

Answer:(x+3)(3x+4)

Step-by-step explanation:

A because 2 is half of 4 and 18 is half of 36.

Step-by-step explanation: because 2 is half of 4 and 18 is half of 36.

Answer:

x = 1

Step-by-step explanation:

the important thing to know here is that if you do something to both sides of an equation (eg, add 2) the equation will still be equal.

- 9x - 17 = - 26

add 17 to both sides of the equation

-9x - 17 + 17 = -26 + 17

-9x = -9

divide both sides of the equation by -9

-9x/-9 = -9/-9

x = 1

Answer:

C. √26

Step-by-step explanation:

The answer is 5.09902

Letter "C" is surely closest to 5

Answer:

5 or

Step-by-step explanation: