Brainlist. Neeed this ASAP. please its on Simplify Expression and i put the picture below

Answer:

x = 1

Step-by-step explanation:

Answer: 2y by 4x

Step-by-step explanation:

Answer:

B. An athlete does 10 push-ups for every mile she runs.

Step-by-step explanation:

10/1  ->  20/2  ->  30/3

Answer:

Step-by-step explanation:

Let y(t) = vt..... 1

Differentiating y(t) with respect to t twice will give;

y'(t) = v(1) + v't

y'(t) = v+v't .... 2

For y''(t);

y''(t) = v'+v'(1)+v''t

y''(t) = 2v'+v''t.... 3

Substitute equation 1, 2 and 3 into the differential equation

t²y′′−t(t+3)y′+(t+3)y=0

t²(2v'+v''t) −t(t+3)(v+v't)+(t+3)(vt)=0

t²(2v'+v''t) −(t²+3t)(v+v't)+(t+3)(vt)=0

Open the parentheses

2t²v'+t³v''-(t²v+t³v'+3tv+3t²v')+t²v+3vt= 0

2t²v'+t³v''-t²v-t³v'-3tv-3t²v'+t²v+3vt=0

Collect like terms according to the degree

t³v''+2t²v'-3t²v'-t³v'-t²v+t²v-3vt+3vt=0

t³v''-t²v'-t³v' =0

t²(tv"-v'-tv') = 0

tv"-v'-tv' = 0

tv"-v'(1+t) = 0

Reduce the degree by substituting p as v' to have;

tp'-p(1+t) = 0

tp' = p(1+t)

Separate the variables

p'/p = (1+t)/t

p'/p = 1/t + 1

Integrate both sides of the equation

ln(p) = lnt + t +K

lnp-lnt = t+K

ln(p/t) = t+K

p/t = e^(t+K)

p = Cte^t

v' = Cte^t

Integrate both sides

v = C{te^t - integral (e^t)}

v(t) = C(te^t - e^t}

y(t)/t = C(te^t - e^t}

y(t) = C(t²e^t-te^t)

Since the solution of second order differential equation

y(t) = C1e^at+C2te^t

In comparison the second solution to the differential equation y(t) will be t²e^t

Answer:  (2,-1).

Step-by-step explanation:

The given system of equations is

[tex]3x+2y=4[/tex]

[tex]-x+3y=-5[/tex]

For [tex]3x+2y=4[/tex], table of values is

x :   0        1         2

y :   2      0.5      -1

For [tex]-x+3y=-5[/tex], table of values is

x :   -1        2         5

y :   -2       -1         0

Plot these points on a coordinate plane and connect them be straight lines as shown below.

Form the graph it is clear that the lines intersect each other at (2,-1).

Therefore, the solution of given system of equations is (2,-1).

Answer:

The answer is

Step-by-step explanation:

The distance between two points can be found by using the formula

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-3,5) and (7,1)

The distance between them is

We have the final answer as

Hope this helps you

Answer:

x equals 4.

Step-by-step explanation:

32 divided by 8 equals 4. I'm not sure there's any other evidence lol :)

Answer:

189 is the next number bacause we multiply 3+3+3=9 now, 9+9+3=21, again ,21+21+3=45 ,again 45+45+3, therefore we observed that this number add itself and its last add 3 so, 93+93+3=189

The next term will be of the sequence is 189.

A sequence is an enumerated collection of objects in which repetitions are allowed and order matters. Like a set, it contains members. The number of elements is called the length of the sequence.

According to the question

The sequence:       3,    9,    21,    45,    93,

Next term be x

The sequence:       3,    9,    21,    45,    93,    x

Difference :                 6    12      24     48    

as we can see that

every difference is difference of previous terms *2

i.e

6*2 = 12

12*2 = 24

24*2 = 48

48*2 = 96

Therefore ,

The sequence:       3,    9,    21,    45,    93,    x

Difference :                 6    12      24     48    96

i.e

x = 96 + 93

x = 189

Hence , the next term will be of the sequence is 189.

To know more about sequence here:

https://brainly.com/question/21961097

#SPJ3

Answer:

H^-1=2/5x-8/5

Step-by-step explanation:

interchange the variables

x=5/2y+4

so 5/2y=x-4

y=2/5x-8/5

H^-1=2/5x-8/5

Answer:

8x < 12y

Step-by-step explanation:

If you divide 25 by 3, you get 8.3333... (the threes go on forever), which you can round to 8, because little Timmy isn't going to buy .3 of a cookie. If you divide 25 by 2, you get 12.5, which you round down to 12. I know you normally don't round 5 down, but we are talking about food here.

Therefore, Tim can buy less cookies than candies. He can buy 8 cookies, and 12 candies.

Either way, Timmy's gonna be fat.

Answer:

7

Step-by-step explanation:

You have to put the numbers in order then find the middle number.

Numbers in order: 2,3,6,6,7,8,8,8,15

Then cross out the numbers on the end (one by one) until you get to the middle number. (If there are two numbers left once you're done then you add them then divide by 2)

Answer:7

Step-by-step explanation:

3350

5(4×) is 20 so 20+10=30+15=45+30=75+825=900+775=1675+800=2475+875=3350

Answer:

Step-by-step explanation:

a. How many times more is the expense for housing than for automobiles?

b. How many times more is the expense for food than for recreation?

c. The expense for automobile fuel is 1/60 of the total expenses. What fraction of the automobile expense is spent on fuel?

Answer:

3

Step-by-step explanation:no

Answer:

i did 352 x 2 witch was 704 so i believe that it is 704 bc it said they sold double the sale of their second week

hoped this helped let me know if it did

Answer:

Step-by-step explanation:i did 352 x 2 witch was 704 so i believe that it is 704 bc it said they sold double the sale of their second week

hoped this helped let me know if it did

Answer:

The unknown angle =

27°

Note :

SOH = Sin angle = Opposite/hypotenuse

CAH = Cos angle = Adjacent/Hypotenuse

TOA = Tan angle = Opposite/Adjacent

Answer:

[tex]\theta \approx 27.5\º[/tex]

Step-by-step explanation:

Once

[tex]$\sin(\theta) = \dfrac{\text{Opposite}}{\text{hypotenuse}} =\frac{12}{26}=\frac{6}{13} $[/tex]

And

[tex]\arcsin \left(\dfrac{6}{13} \right)=\theta[/tex]

[tex]\theta \approx 27.5\º[/tex]

Answer:

Multiplacation

Step-by-step explanation:

It is the multiplacation roperty pbecauseyou are multipyling 10 times x and 3.

Answer:

630 is the LCM

Step-by-step explanation:

You have to list all the multiples of each number till you find the lowest same value one which in this case it's 630.

Multiples of 10:

10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290, 300, 310, 320, 330, 340, 350, 360, 370, 380, 390, 400, 410, 420, 430, 440, 450, 460, 470, 480, 490, 500, 510, 520, 530, 540, 550, 560, 570, 580, 590, 600, 610, 620, 630, 640, 650

Multiples of 14:

14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252, 266, 280, 294, 308, 322, 336, 350, 364, 378, 392, 406, 420, 434, 448, 462, 476, 490, 504, 518, 532, 546, 560, 574, 588, 602, 616, 630, 644, 658

Multiples of 63:

63, 126, 189, 252, 315, 378, 441, 504, 567, 630, 693, 756

Answer:

x=11

Step-by-step explanation: ( not good at explaining) Hope this helps

Divide both sides of the equation by 2

4+3x=37

Subtract 4

3x=37-4

Subtract 37-4

3x=33

and divide by 3

x=11

Answer:

46 1/2

Step-by-step explanation:

hope this helps

Answer:

im pretty sure the quotent is 17

Step-by-step explanation:

hope this helps!

Answer:

180°-(68°+37°)→→→→→→→→sum of angles on a straight line.

180-105=75°

Point to be kept in mind : the sum of angle of a straight line is 180°!

Thus,

68+ X + 37 = 180

=> 105 + X = 180

Answer:

Step-by-step explanation:

c

Answer: x=-5

Step-by-step explanation: Plug -5 in for x

Answer:

Step-by-step explanation:

2x + 4 = 6x - 10

Minus 2x on both sides

4 = 4x - 10

Add 10 on both sides

14 = 4x

Divide by 4 on both sides

14/4 = x

x = 14/4

Simplify fraction

x = 7/2 or x = 3 1/2

Answer:

-5

Step-by-step explanation:

-7 +2 = -5

Answer:

-5

Step-by-step explanation:

Because when a number is a negative and you need to add, you subtract instead.

Hope this helps. Plz give brainliest.

Answer:

I think it should be D tell me if you got it right