URGENT SOMEONE HELP PLEASE!!

URGENT SOMEONE HELP PLEASE!!

Answers

Answer 1
a = 2b + 6 — (1) [given]
a = 9b - 8 — (2) [given]

a = a
sub. in the eqns (1) and (2)
2b + 6 = 9b - 8

collect like terms :
6 + 8 = 9b - 2b
14 = 7b
b = 2

Related Questions

A glass is 1/3 full. Then 40cm3 of orange juice is poured in.
The glass is now 5/7 full. What is the total volume of the glass?

Answers

Answer:

105cm3

Step-by-step explanation:

subtract 5/7- 1/3

8/21=40cm3

21/21=105cm3=total volume

Answer:

5

Step-by-step explanation:

When the machine is active for 7 hours, 2,450 buttons are manufactured. How many hours would the machine need to be active in order to manufacture 5,250 buttons?

Answers

Answer:

350 x 15 = 5250, or in Other words it takes 15 hours to for 5250 buttons to be manufactured.

Step-by-step explanation:

Searches related to jay read 6 during the summer break he plans to read 5 books each month during the school year. Write the inequality he could use to find x the number of months after summer he will have read more than 50 books

Answers

Answer:

10

Step-by-step explanation:

Find the circumference of the circle, round to the nearest tenth. Answer: H​

Answers

Answer:

H

Step-by-step explanation:


HELP ASAP WILL GIVE BRAINLEIST

Solve for x in the diagram below

Answers

Answer:

X=20 3x=60

Step-by-step explanation:

a straight line is 180

180-100=80

4x=80

x=20

Answer:

We can create a equation to solve for x here.

We will use the following equation:

100 + 3x + x = 180

How to solve it step-by-step

[tex]100 + 3x + x = 180\\\\100 + 4x = 180\\\\4x = 80\\\\x = 20[/tex]

Solve the system of equations:

3x-3y = -15
and
-x+y = 5

Answers

Answer:

x=0 y=5

trust me I think its right

Skylar mowed 16 lawns in 12 hours. What was her rate of mowing in lawns per hour?

Answers

16 / 12 = 1.3333
Answer: she mowed 1 1/3 lawns per hour.

What is the solutions set for -4x - 10< 2?

Answers

The correct answer is x is greater than -3

are the adjacent angles in a parallelogram congruent always, sometimes, or never

Answers

Answer:

always

Step-by-step explanation:

if something parallel then it never touch each other and are opposite of each other

Which of the following ordered pairs is a possible solution to the equation y = 3x - 2?

Answers

Answer:

D) (1,1)

Step-by-step explanation:

You can find the solution by plugging the x-value of each coordinate into the equation. It will be a solution if the y-value of the equation equals the y-value of the coordinate.

For example:

y = 3x -2

y = 3(1) - 2

y = 3-2

y = 1

1 = 1

(1, 1) are the coordinates that are on the given line.

What are coordinates?

A pair of numbers called coordinates are used to locate a point or a form in a two-dimensional plane. The x-coordinate and the y-coordinate are two numbers that define a point's location on a 2D plane.

Given a equation y = 3x -2

To find which coordinates will satisfy the equation:

For coordinates (2, 0)

at x = 2, y should be zero

y = 3 * 2 -2

y = 4

Not satisfied

For coordinates(-3, 0)

at x = -3, y should be 0

y = 3 * -3 - 2

y = -9 -2

y = -11

Not satisfied

For coordinates(0, 2 )

at x = 0, y should be 2

y = 3*0 -2

y = -2

Not satisfied

For coordinates(1, 1)

at x = 1, y should be 1

Y = 3*1 - 2

y = 3 - 2

y = 1

satisfied

Therefore, (1, 1) are the coordinates that are on the given line.

Learn more about coordinates here:

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Helppppp me plzzzzzzzzzzz somebody

Answers

Answer:

(2,0)

Step-by-step explanation:

On the x-axis, the point is at 2. The point has a y-value of 0, as it's on the x-axis.

The answer above is correct my dude

PLEASE HELP ILL GIVE BRAINLIEST!!!!

Answers

Answer:

The first one is x=45

The second one is w=14

The third one is x=6

Step-by-step explanation:

Which value of w below is the solution to this equation ANWSER - C. 14 I think

The price of a skirt was increased from $40 to $64. By what percentage was the price of the skirt
Increased?

Answers

Answer: 11 percent

Step-by-step explanation:

Answer:

24%

Step-by-step explanation:

Hai has 24 video games. Six of his games are sports related and the rest are role-playing games. Which ratio represents the number of his role-playing games to the total number of games? One-fourth One-third Two-thirds Three-fourths

Answers

Answer:

3/4

Step-by-step explanation:

24-6=18--> role playing games

18/24=3/4

Answer: 3/4

Step-by-step explanation:

Find the slope of a line parallel to each given line.
y= -1/4x -4

pls help asap

Answers

Answer:

Slope is -1/4 or -.25

Step-by-step explanation:

y=mx+b

slope is "m" and always has to be infront of x.

12х – 5y = — 20
y = x+4
can someone help me find the x and y

Answers

Answer:

0 I think because when you plug y in and combine like terms, you get 7x=0

Answer:

(I'm not sure what you're asking but I believe you're asking for the coordinate where they intersect!)

The lines intersect at (0, 4)

Step-by-step explanation:

Question:

12x-5y=-20

y=x+4

1) Simplify the first equation!

12x-5y=-20

Move 12x to the other side (remember when you move numbers to the opposite side of the equation, it makes them negative) to isolate y!

-5y=-20-12x

Divide all numbers by -5 to just get the variable y

y=4+12/5x

2) Solve

I'm going to be solving by substitution since I like this method the best!

y=4+12/5x

y=x+4

1) Set the equations equal to another (you'll be replacing the variable of y for an equation)

x+4 will be replacing y of the other equation

x+4 = 4+12/5x

2) Simplify

Subtract x on both sides

x-x + 4 = 4+ 12/5x-x

4=4+7/5x

Subtract 4 on both sides

0=7/5x

x is equal to 0!

3) Find y

1) Set x equal to 0 in an equation (I'm doing y=x+4 because it's easier!)

y=x+4

y=0+4

2) Simplify

y=4

Answer:

(0, 4)

What is the solution to the system of equations below?
y=-6x-10
and
y=-3x-21
(2, -22)
(2,48)
(-2, 2)
(-2, -20)

Answers

Answer:

Please check the explanation.

Step-by-step explanation:

Given the equations

[tex]y=-6x-10[/tex]

[tex]y=-3x-21[/tex]

solving the system of the equations

Arrange the equation variables for elimination

[tex]\begin{bmatrix}y+6x=-10\\ y+3x=-21\end{bmatrix}[/tex]

[tex]y+3x=-21[/tex]

[tex]-[/tex]

[tex]\underline{y+6x=-10}[/tex]

[tex]-3x=-11[/tex]

[tex]\begin{bmatrix}y+6x=-10\\ -3x=-11\end{bmatrix}[/tex]

solve

[tex]-3x=-11[/tex]

Divide both sides by -3

[tex]\frac{-3x}{-3}=\frac{-11}{-3}[/tex]

[tex]x=\frac{11}{3}[/tex]

[tex]\mathrm{For\:}y+6x=-10\mathrm{\:plug\:in\:}x=\frac{11}{3}[/tex]

[tex]y+6\cdot \frac{11}{3}=-10[/tex]

[tex]y+6\cdot \frac{11}{3}=-10[/tex]

[tex]y=-32[/tex]

Therefore, the solutions to the system of the equations are:

[tex]y=-32,\:x=\frac{11}{3}[/tex]

But, it seems none of the options is true.

Answer:

A. (2, -22)

Step-by-step explanation:

I just took the test and i got a one hundred! I really hope it helped!!!!

a line passes through the point (-6,4) and has a slope of 5/2

Answers

The equation in slope intercept for is y = 5/2x + 4

The y intercept is 4

What is the x-intercept of the line described by the equation? 14x - 8y = 56

Answers

Answer:

The x intercept is (4,0) and the y intercept is (0,-7)

Step-by-step explanation:

Answer:

Step-by-step explanation:

The x-intercept of a line is when the y-coordinate is 0. To find that point on this line, we first want to rearrange the equation into the form

[tex]y = mx + b[/tex]

we are given

[tex]14x - 8y = 56\\so, \\14x - 56 = 8y\\\frac{14x}{8} - \frac{56}{8} = \frac{8y}{8} \\y = \frac{7}{4}(x) - 7[/tex]

now, we can set y to 0 and solve

[tex]\frac{7}{4}(x) = 7\\7x = 28\\x = 4[/tex]

The x-intercept is (4, 0)

EASY POINTS

Kite LMNO is shown below.

Kite L M N O. Angle L is 130 degrees and angle N is 74 degrees. Angle L and N are opposite to each other.

What is the measure of Angle M?
A. 56Degrees
B. 78Degrees
C. 156Degrees
D. 204Degrees

Answers

I think the answer is B.78Degrees
78 DegreesEdge 2022

Step-by-step explanation:

Martha compra 2 kilos de tomate y 1 kilo de cebolla pagando S/ 8,40. Si la siguiente semana compra 1 kilo de tomate y 2 kilos de cebolla pagando S/ 7,80, ¿a cuánto está el kilo de cebolla?

Answers

Responder:

2,40

Explicación paso a paso:

Dado que:

Dejar :

Tomate = t

Cebolla = n

(2 kilo de t) + (1 kilo de n) = 8.40

(1 kilo de t) + (2 kilo de n) = 7.80

2t + n = 8,40 - - (1)

t + 2n = 7,80 - - (2)

De (2);

t = 7,80 - 2n

Ponga t = 7.80 - 2n en (1)

2 (7,80 - 2n) + n = 8,40

15,6 - 4n + n = 8,40

15,6 - 3n = 8,40

-3n = 8,40 - 15,6

-3n = - 7,2

n = 2,4

t = 7,80 - 2 (2,40)

t = 7,80 - 4,80

t = 3

Por lo tanto, el costo de 1 kilo de cebolla es 2,40

What is the quotient and the remainder of 2,461 ÷ 18

Answers

Answer:

Step-by-step explanation:

722222

Answer:

136 r 13

Step-by-step explanation:

divide the numbers using long division:

 

         1 3 6

   __________

18 | 2 4 6 1

    - 1 8

     ___

         6 6

        - 54

        _____

           1 2  1

        -  1 0 8

           _____

               1 3    

So 2461 / 18 is 136, remainder 13

It costs $0.50 to download an individual song and $4 to download an album.

Jada has $15 to spend downloading music.

Complete the table showing three ways Jada can spend $15 downloading individual songs and albums.

Answers

Answer:

Below are the three ways.

Hope I helped :)

The completed table is given below and the equation for the given situation is 15=4a+0.50s.

Given that, it costs $0.50 to download an individual song and $4 to download an album.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Jada has $15 to spend downloading music.

Let s be number of songs and a be number of albums

So an equation for the given situation is 15=4a+0.50s

From table, in row 1

Given number of songs is 6

15=4a+0.50(6)

⇒ 15=4a+3

⇒ 4a=12

⇒ a=3

From table, in row 2

Given number of albums is 1

15=4(1)+0.50s

⇒ 0.50s=11

⇒ s=11/0.50

⇒ s=22

From table, in row 3

Given number of albums is 30

15=4a+0.50(30)

⇒ 15-15=4a

⇒ a=0

Hence, the completed table is given below and the equation for the given situation is 15=4a+0.50s.

To learn more about an equation visit:

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Claire wants to build a patio outside her café. The rectangular space outside of Claire's café is three times as long as it is wide. The area of the space is 48 m2. Claire
would like to build a patio with dimensions 3.5 m by 12.5 m in this space. Will it fit? Explain.

pls help​

Answers

Answer:

Step-by-step explanation:

It will fit in the space but it won't cover the entire space. the area is 48m2, but the patio in question will cover 43.75 of the 48m2. Also, it stated that the rectangular space is 3 times as long, and the patio is 3.57x as long as the width. So yes, it will fit, but it will not be a picture perfect fit, there will be some obscenities.

Step-by-step explanation:

Let length of space be lm and width be wm.

l = 3w --(1)

lw = 48 --(2)

sub (1) into (2):

3w(w) = 48

3w^2 = 48

w^2 = 16

w = ± 4 (rej -4 since w > 0)

when w = 4, l = 3(4) = 12

Since dimensions of the patio is 3.5m by 12.5m, and the dimensions of the space is 4m by 12m it does not fit

This is a topic known as simultaneous equations. If you would like to find out more / know when and how to use it, you can check out my Instagram page (learntionary)

which is the line of best fit and why?

Answers

Responder:

Opción de respuesta c

Explicación paso a paso:

Es una pendiente positiva como los datos, también coincide con muchos de los puntos.

Espero que te aya ayudado

Answer:

Answer choice c

Step-by-step explanation:

It is a positive slope like the data, it also matches up with many of the points.

Select the equation that contains the point (3,6) and in which the slope equals 1

Answers

Answer:

I think it would be y + 6 = x + 3

Step-by-step explanation:

Because they both have to be positive because the points are positive. Also the slope has to be 1 so x cannot have a number with it or else it changes the value.

I would say it is 1)y + 6 = x + 3 but I am not no genius

Which of the following terminating decimals is equivalent to Negative 1 and three-fourths?

Answers

Answer:

-1.75

Step-by-step explanation:

This should be it, but you didn't provide options although you put "Which of the following.."

Answer:

-1.75 thatis the answer thank you HAHAHAHAHAHA

Which expression best represents the model shown below?
Answer choices
x + 1
2x + 2
x - 1
5x + 5

Answers

x-1

-2x+3x-3+2
x-3+2
x-1

One number is 2 less than a second number.twice the second number is 37 more than 5 times the first. Find more the two number

Answers

Answer:

The numbers are -11 and -9.

Step-by-step explanation:

The two numbers are x and y.

x = y - 2

2y = 5x + 37

2y = 5(y - 2) + 37

2y = 5y - 10 + 37

3y = - 27

y = -9

x = - 11

When Adrian runs the 400 meter dash, his finishing times are normally distributed with a mean of 77 seconds and a standard deviation of 3 seconds. What is the probability that in a given race, his finishing time will be faster than 75 seconds, to the nearest thousandth?

Answers

Answer:

0.749

Step-by-step explanation:

We start by calculating the z-score

Mathematically:

z-score = (x-mean)/SD

z-score = (75-77)/3 = -2/3 = -0.67

The probability we want to calculate is;

P( X > -0.67)

we can use the standard normal distribution table for this

Using this table, the probability has a value 0.74857 which is 0.749 to the nearest thousandth

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