What is the value of y?

Answer:

11 years old

Step-by-step explanation:

Maggie's age is x

Maggie's brother = 4x - 7

The sum is 48

x + 4x - 7 = 48

5x - 7 = 48

5x = 55

x = 11

Answer:

No

Step-by-step explanation:

4 to the 7th power is 4x4x4x4x4x4x4 (4 multiplied by itself 7 times) And 7 to the 4th power is 7x7x7x7 (7 multiplied by itself 4 times)

Answer:1,500 kg • m/s

Step-by-step explanation:

took the quiz

The momentum of the object after the collision is 1500 kg.(m/s).

Momentum is the product of a particle's mass and velocity. As a vector quantity, momentum possesses both magnitude and direction. According to Isaac Newton's second equation of motion, the force acting on the particle equals the time rate of change of momentum.

As per the given data:

[tex]m_A = 200 kg\\v_A = 15 m/s\\m_B = 150 kg\\v_B = -10 m/s[/tex]

Law of conservation of momentum:

Initial momentum = Final momentum

[tex]m_Av_A + m_bv_b[/tex] =  Final momentum

Final momentum = 200(15) + 150(-10)

= 3000 - 1500

= 1500 kg.(m/s)

Hence, the momentum after collision is 1500 kg.(m/s).

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Answer:

y = -2

Step-by-step explanation:

First, we subtract 2y on both sides:

-24 = 12y

Then, we divide 12 on both sides:

y = -2

And we're done ^^ hope this helps!

Answer:

20x+15

Step-by-step explanation:

5x +4x=9x+11x=20x

21-6=15

20x+15

Answer:

Hello the answer is -23.75

plus +minus=Minus so we will minus it

Answer:

-26.75

Step-by-step explanation:

So what I did is I took away the minus sign and put it in front of 8.5 instead so the equation became: 35.25-8.5. Then, I subtracted which gave me 26.75 and then I added the minus sign back in which gave me -26.75.

Answer:

should be 24 square inches

Step-by-step explanation:

Answer:

She has 3 $10 bills, 5 $5 bills and 8 $1

3 times 10= $30

5 times 5 = $25

8 times 1 = $8

$30 + $25 + $8 = $63

A system of equations is a group of equations that can be solved simultaneously. Here we can find one that allows us to solve the given question.

We will see that: Jemila has 8 $1 bills, 5 $5 bills, and 3 $10 bills.

First, let's define the variables:

Then the total amount of money in the piggy bank is:

$1*x + $5*y + $10*z

And we know that the total value is $63, then one equation is:

$1*x + $5*y + $10*z = $63

We also know that she has two more $5 bills than $10 bills, then:

y = z + 2

We also know that she has three more $1 bills than $5 bills, then:

x = y + 3

So  our system of equations is:

$1*x + $5*y + $10*z = $63

y = z + 2

x = y + 3

To solve this, we need to isolate one of the variables in one of the equations. We can see that some variables are already isolated, like on the second or third equations.

For example, we can replace the second equation into the first and third ones:

$1*x + $5*y + $10*z = $63

x = y + 3

$1*x + $5*(z + 2) + $10*z = $63

x = (z + 2) + 3

Now we can simplify these to get:

$1*x + $15*z + $10 = $63

x = z + 5

Now we can replace the second equation on the first one:

$1*x + $15*z + $10 = $63

$1*(z + 5) + $15*z + $10 = $63

Finally, we can solve this for z.

$16*z + $5 + $10 = $63

$16*z = $63 - $15

$16*z = $48

z = $48/$16 = 3

z = 3

Now that we know the value of z, we can use it in the equations:

x = z + 5 = 3 + 5 = 8

y = z + 2 = 3 + 2 =5

Then the solution is:

Then Jemila has 8 $1 bills, 5 $5 bills, and 3 $10 bills.

If you want to learn more, you can read:

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Answer:

  m∠MON = 99°

Step-by-step explanation:

A "straight angle" has a measure of 180°, so the two given angles will have that value as their sum.

  m∠MON +m∠LOM = m∠LON

  (8x -13°) +(7x -17°) = 180°

  15x -30° = 180° . . . . collect terms

  x -2° = 12° . . . . . . . . divide by 15

  x = 14° . . . . . . . . . . . add 2°

Now we can find the measures of the angles.

  m∠MON = 8x -13° = 8(14°) -13°

  m∠MON = 99°

_____

Check

m∠LOM = 7x -17° = 7(14°) -17° = 81°

The sum of 81° and 99° is 180°, as it should be.

A linear pair of angles is formed when two lines intersect.

A linear pair of angles must add up to 180°.

angle MON = 8x - 13°

angle LOM = 7x - 17°

The measure of angle MON .

angle MON + angle LOM = 180°

or, (8x - 13°) + (7x - 17°) = 180°

or, 15x - 30°= 180°

or, 15x = 180° + 30°

or, x = 210/15 = 14°

angle MON = 8x - 13°

By putting the value of x, we get

angle MON = 8(14) - 13°

angle MON = 99°

Answer:

12.5

Step-by-step explanation:

:) hope this helps

Answer:

12.5 meters

Step-by-step explanation:

Divide it 1250 by 100

Answer:Yes

Step-by-step explanation:

Aluminum chloride plus hydrogen

Answer:

-1/4x

Step-by-step explanation:

11-12/6-2 = -1/4

Answer:

The whole quick check!

1. A -1/4

2. B.   0

3. D Y=2x+2

4. D y=9/10x-9/10; slope 9/10; y intercept - 9/10

5. A Its left at the bottom and goes right at the top

Step-by-step explanation:

I put all the letter and answers in case they change up the letters!

Answer:

[tex]40[/tex]

Step-by-step explanation:

Set up an equation:

[tex]28-(-12)[/tex]

The negative [tex]12[/tex] becomes positive.

[tex]28+12[/tex]

Add:

[tex]40[/tex]

Answer:

By solving the equation with the order of operations, the correct answer is: 80

Answer:

Step-by-step explanation:

If B is the midpoint of AC, where the coordinate of the midpoint B is (6, 4) and endpoint C is (9,2). To get the other coordinates A, we will use the midpoint formula;

B(X,Y) = (x₁+x₂/2, y₁+y₂/2)

From the formula;

X = x₁+x₂/2 and Y = y₁+y₂/2

From the coordinaes given X = 6, Y = 4, x₂ = 9 and y₂ = 2

To get x₁:

From X = x₁+x₂/2

6 = x₁+9/2

cross multiply

12 = x₁+9

x₁ = 12-9

x₁ = 3

Similarly for y₁;

Y = y₁+y₂/2

4 = y₁+2/2

cross multiply

8 = y₁+2

y₁ = 8-2

y₁ = 6

Hence the coordinates of the missing endpoint A(x₁,y₁) is (3, 6)

Answer:

real numbers: all

rational: all but pi

Integers: 20,-9

Whole, 20,-9, radical 16

Natural: 20

Irrational: pi

Step-by-step explanation:

Answer:

a TENTH OF THE VALUE

Step-by-step explanation:

Answer:

y=x*6

Step-by-step explanation:

it is y=x*6 because the y axis is every x's six times.

Answer:

y=6x

Step-by-step explanation:

Frist, you are going to use y=mx+b

M= the slope of the line.

B= the y-intercept( where the line crosses the y-axis).

Slope= [tex]\frac{Rise}{Run} =\frac{30}{5}[/tex] the you simplify it to [tex]\frac{6}{1}[/tex]= 6

Now, you plug in your equation for m.

y=6x+b

Y-Intercept= where the line crosses the y-axis.

In this case it is at 0. Now plug it in.

y=6x+0

Whenever your "b" is 0 you don't need to add +0 in your equation.

Hey there! I'm happy to help!

Sum means to add. Let's call our number n.

n+15

We multiply this whole thing by 6.

6(n+15)

And this is -42.

6(n+15)=-42

We use distributive property to undo the parentheses.

6n+90=-42

We subtract 90 from both sides.

6n=-132

We divide both sides by 6.

n=-22.

Have a wonderful day! :D

Answer:

2/4

Step-by-step explanation:

half/whole for any number really

Answer:

14.99s-15g

Step-by-step explanation:

Answer:  

try 101.51

Step-by-step explanation:

Answer:5(3)

Step-by-step explanation:

Answer:

0.375

Step-by-step explanation:

You have to just divide 3/4 divided by 2 = 0.375

Answer:

it is 3/4 divided by 2 and the last one is 3/8

Step-by-step explanation:

Step-by-step explanation:

A = ½ h (b₁ + b₂)

Multiply both sides by 2:

2A = h (b₁ + b₂)

Distribute the h:

2A = h b₁ + h b₂

So the second option is not correct.

Instead of distributing, divide by h:

2A/h = b₁ + b₂

Subtract b₂ from both sides:

b₁ = 2A/h − b₂

Third option is correct.

Next, use common denominator to combine.

b₁ = 2A/h − h b₂/h

b₁ = (2A − h b₂) / h

Factor out 2.

b₁ = 2 (A − ½ h b₂) / h

Fourth option is correct.

Answer:

I think its $120

Step-by-step explanation:

there are 20 players each having 2 slices. Meaning that they'll need 40 pizzas. each box has 8 slices so theyll need 5 boxes for 40 pizzas. each box costs $24 so that will be $24 x 5 =$120