14. 9(y - 4) - 7y = 5(3y - 2
step by step please​

Answers

Answer 1

Answer:

y=-2

Step-by-step explanation:

9(y−4)−7y=5(3y−2)

(9)(y)+(9)(−4)+−7y=(5)(3y)+(5)(−2)

9y+−36+−7y=15y+−10

(9y+−7y)+(−36)=15y−10

2y+−36=15y−10

2y−36=15y−10

Step 2:

2y−36−15y=15y−10−15y

−13y−36=−10

Step 3:

−13y−36+36=−10+36

−13y=26

divide

/13     /13

y=-2

Answer 2

Answer:

y=-2

Step-by-step explanation:

Simplifying

9(y + -4) + -7y = 5(3y + -2)

Reorder the terms:

9(-4 + y) + -7y = 5(3y + -2)

(-4 * 9 + y * 9) + -7y = 5(3y + -2)

(-36 + 9y) + -7y = 5(3y + -2)

Combine like terms: 9y + -7y = 2y

-36 + 2y = 5(3y + -2)

Reorder the terms:

-36 + 2y = 5(-2 + 3y)

-36 + 2y = (-2 * 5 + 3y * 5)

-36 + 2y = (-10 + 15y)

Solving

-36 + 2y = -10 + 15y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-15y' to each side of the equation.

-36 + 2y + -15y = -10 + 15y + -15y

Combine like terms: 2y + -15y = -13y

-36 + -13y = -10 + 15y + -15y

Combine like terms: 15y + -15y = 0

-36 + -13y = -10 + 0

-36 + -13y = -10

Add '36' to each side of the equation.

-36 + 36 + -13y = -10 + 36

Combine like terms: -36 + 36 = 0

0 + -13y = -10 + 36

-13y = -10 + 36

Combine like terms: -10 + 36 = 26

-13y = 26

Divide each side by '-13'.

y = -2

Simplifying

y = -2


Related Questions

- Make T the subject of the formula l=gt/4π²​

Answers

Answer:

[tex]t = \frac{4\pi {}^{2} l}{g} [/tex]

Step-by-step explanation:

[tex]l(4\pi ^{2} ) = gt \\ \frac{4\pi {}^{2} l}{g} = t \\ t = \frac{4\pi {}^{2} l}{g} [/tex]

3. On a coordinate grid, the location of a lighthouse is at L, and the location of a buoy is at B. At noon, a ship is at the midpoint of the segment connecting the buoy and the lighthouse on the grid. Find the coordinates that best represent the ship's position at noon? ​

Answers

Answer:

b

Step-by-step explanation:

im 50% sure this write dont blame me man

The coordination of the ship's position at noon will be (0.5,2).

What are coordinates?

A pair of numbers that employ the horizontal and vertical distinctions from the two reference axes to represent a point's placement on a coordinate plane. they are typically expressed by the x-value and y-value pairs (x,y).

As per the given L(-4,7) and B(5,-3)

The midpoint of the above coordinates will be given as,

x = (-4 + 5)/2 = 1/2

y = (7 - 3)/2 = 2

Thus, (0.5,2) will be the location of the ship.

Hence "The coordination of the ship's position at noon will be (0.5,2)".

For more about coordinates,

brainly.com/question/7869125

#SPJ2

The missing photo is attached below,

Rachel's chocolate bar is 43% cocoa. If the weight of the chocolate bar is 68 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.

Answers

Answer:

29.24 grams

Step-by-step explanation:

It is given that,

Rachel's chocolate bar is 43% cocoa

The weight of the chocolate bar is 68 grams

We need to find how many grams of cocoa does it contain. It means it will contain 43% of 68 grams. It can be solved as follows :

[tex]C=\dfrac{43}{100}\times 68\\\\C=29.24\ \text{grams}[/tex]

Hence, it will have 29.24 grams of cocoa.

if you're good at exact values please help meee





Find the exact perimeter of this right angled triangle

Answers

Answer:

perimeter = 14

Step-by-step explanation:

perimeter = ∑sides

                = x + (x + 3) + (x + 4)  --------eq.

                = 3x + 7

           3x = 7

            x = 7/3

plugin values into the equation:

perimeter = ⁷/₃ + (⁷/₃ + 3) + (⁷/₃ + 4)

                = 14

therefore, the perimeter of a triangle is 14

2x+4=8x-2 i don’t know

Answers

Answer:

x = 1

Step-by-step explanation:

2x+4=8x-2

2x - 8x = -4 -2

-6x = -6

x = 1

Steps to solve:

2x + 4 = 8x - 2

~Subtract 4 to both sides

2x = 8x - 6

~Subtract 8x to both sides

-6x = -6

~Divide -6 to both sides

x = 1

Best of Luck!

6v²-19v-36

College Prep Math

Answers

(3v+4)(2v-9) is there anything specific like favorite for grouping ?


Does this graph represent a function? What is the domain and range of the graph?
Yes; domain: all real numbers; range: y = 0
Yes; domain: all real numbers; range: y 2 0
No; domain: all whole numbers; range: y SO
Yes; domain: all real numbers; range: y > 0

Answers

Answer:

Yes; domain: all real numbers; range: y [tex]\geq[/tex] 0

Step-by-step explanation:

1. Use the vertical line test to see if it is a function.

2. Figure out what the lowest and highest point x can be. In this case x can be any number

3. Figure out what the lowest and highest point of y can be. In this case y is not negative, the lowest it can be is 0. So y [tex]\geq[/tex] 0

*Note: Domain are the x values & Range are the y values

Yes; domain: all real numbers; range: y ≥ 0. Therefore, option B is the correct answer.

From the given graph we need to check whether it is a function.

What is the domain and range?

The domain and range are defined for a relation and they are the sets of all the x-coordinates and all the y-coordinates of ordered pairs respectively.

For example, if the relation is, R = {(1, 2), (2, 2), (3, 3), (4, 3)}, then:

Domain = the set of all x-coordinates = {1, 2, 3, 4}

Range = the set of all y-coordinates = {2, 3}

From the graph we can see all the y values are equal and greater than y.

That is, y ≥ 0

Yes; domain: all real numbers; range: y ≥ 0. Therefore, option B is the correct answer.

To learn more about the domain and range of the function visit:

https://brainly.com/question/17440903.

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How would I graph -5/4 and 1/4

Answers

Answer:

Brainliest for all that work?

5___4___3___2___1___0___-1___-2___-3___-4___-5

         *                                                                                    *

5___4___3___2___1___0___-1___-2___-3___-4___-5

        *                         *

                                                 

                                                 5

                                               * 4

                                                 3

                                                 2

*                                                 1

-5____-4___-3____-2__-1 __0__1___2___3___4___5

                                                -1

                                                -2

                                                -3

                                                -4

                                                -5

                                                 5

                                                 4 *

                                                 3

                                                 2

                                                 1     *

-5____-4___-3____-2__-1 __0__1___2___3___4___5

                                                -1

                                                -2

                                                -3

                                                -4

                                                -5                                                  

Step-by-step explanation:

50 POINTS IF YOU CAN HELP! ASAP

Answers

Answer:i don’t even see the question... what is is?

Step-by-step explanation:

jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature?

Answers

Answer:

-20

Step-by-step explanation:

Answer:

it is -20

Step-by-step explanation:

1.
The ratio of pink flowers to yellow flowers is 6:2, if there are 48 pink flowers how many
yellow flowers are there?

Answers

The answer is 16 yellow flowers

Answer:

16 yellow flowers

Step-by-step explanation:

[tex]Pink: yellow\\6\:\::\:2\\\\Total\:ratio = 6+2 = 8\\\\48 \:pink\: flowers[/tex]

First calculate total no of flowers

[tex]\frac{6}{8} \times x = 48\\\\\frac{6x}{8} =48\\\\Cross\:Multiply\\6x = 48\times 8\\6x = 384\\\\Divide\:both\:sides\:of\:the\:equation\:by\:6\\\frac{6x}{6} = \frac{384}{6} \\\\x = 64\\\\Total \:flowers = 64[/tex]

Calculate no of yellow flowers

[tex]Total\:flowers-Pink\:flowers = Yellow\:flowers\\\\Yellow\:flowers = 64 - 48\\Yellow\:flowers =16[/tex]

Find the value of x.
A. 13
B. 16
C. 10
D. 17

Answers

Answer:

C.10

Step-by-step explanation:

Since the angels are vertical we know hey are congruent so set them equal to each other.First subract 3 from both sides. The equation now is 60=6x. Next divde both sidesz by 6. The equation now is x=10.

I hope this helped and have a great day!

(Please vote this the brainliest)

Answer:

it's C. 10

Step-by-step explanation:

6(10)+3 = 63

6(13)+3 = 81

the answer need to equal the same amount as the top one which is 63 because that's a vertical angle

The picture gives information about a car traveling at a constant speed.
Which choice shows the car's speed between checkpoints A and B, expressed as a
unit rate?
Checkpoint A
Checkpoint B
Time 100 pm
Time: 2:30 pm
Total Mies Driver 120
Total Miles Daven 195

Answers

Answer:

Step-by-step explanation:

Answer

Answer:

50 miles per hour is the (Unit Rate)

Step-by-step explanation:

2x−1=34x+9
can someone solve this ?

Answers

Answer:

25

Step-by-step explanation:

9+25=34

-0.3125 is the decimal and the fraction is -5/16

What is 500 Divided by 4039.905

Answers

Answer:

0.12376528

Step-by-step explanation:

Answer:

≈ 0.12

Step-by-step explanation:

500/4039.905

≈ 0.12

To be more exact:  

0.1237652...

Can someone help me ASAP pleaseee

Answers

Answer:

y = 8x - 26

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (3, - 2) and (x₂, y₂ ) = (4, 6)

m = [tex]\frac{6+2}{4-3}[/tex] = 8 , thus

y = 8x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (4, 6) , then

6 = 32 + c ⇒ c = 6 - 32 = - 26

y = 8x - 26 ← equation of line

Which representation shows y as a function of x?

Answers

Answer:

A

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

Respuesta de -3x +12 =9

Answers

Answer:

x=1

Step-by-step explanation:

1). first combine -3+12. ( without the variable )

2). -3+12=9

3). therefore -3×1= -3

Answer:

x = 1

Step-by-step explanation:

-3x + 12 = 9

               -12    -12

-3x = -3

-3x = -3

Dividir -3 y -3

x = 1     porque -3/-3=1

Please I will mark brainlist list
Based on the patten in the table what is the value of a?
-64
-12
1/16
1/64

Answers

1/64. Because 2 raised to the -6 power is 1/64 and its in fraction form. It wouldn’t be -12 because you do Not multiply 2 and -6 together. It wouldn’t be -64 or 1/16 either.

What is the value of y?

Answers

Answer:

B

Step-by-step explanation:

A triangle is 180 degrees, the top part is 88.

180 - 88 = 92

92/2 = 46.

Answer: 44°

Explanation:-

Method 1:-

We know that the sum of the measurements of two interior angles is equal to the measurement of the exterior angle.

i.e.,

y + y = 88°

→ 2y = 88°

→ y = 88°/2

→ y = 44° (D)

Method 2:-

The adjacent angel of the angle of measurement 88° is 92°.

We know,

Sum of interior angles of a triangle = 180°

According to the Question:-

y + y + 92° = 180°

→ 2y = 180° - 92°

→ 2y = 88°

→ y = 44° (D)

The team manager for a high school basketball team discarded a lower
outlier and calculated that the mean number of points scored per game
was 45 and the median was 48.
What is the likely effect if the analyst decides to include the lower outlier in the
calculations?

a) The median will remain about the same, but the mean will decrease.
b) The median will decrease, and the mean will increase.
c) The mean will stay about the same, but the median will decrease.
d) The median and mean will both stay about the same.

Answers

Answer:

The median will remain about the same, but the mean will decrease.

Step-by-step explanation:

Cus i said so

Answer:

The median will remain about the same, but the mean will decrease.

Edge 2020

How many times larger is 5 x 10^6 than 5 x 10^2

A. 125
B. 625
C. 1000
D. 10,000

Answers

Answer:

10,000

Step-by-step explanation:

Answer:

the answer is D

Step-by-step explanation:

simplify the following expressions ( combine like-terms )

Answers

Answer:

x + 5

Step-by-step explanation:

Step 1: Write expression

x + 2 + 3

Step 2: Combine like terms (constants)

x + 5

In this diagram, how many points are coplanar with points A, B and R?
four
six
two
one

Answers

I think the correct answer is 4

If a = 2 and b = 4, then 27 - b 2 ÷ a + (11 - 5) is equal to _____.

29
25
11.5
23​

Answers

Answer: 29

27 - 4 • 2 / 2 + (11 - 5)
27 - 4 • 1 + 6
27 - 4 + 6
27 + 2
29

the sum of two consecutive even number's is 66. find the numbers. ​

Answers

Answer:

[tex]32\ and\ 34.[/tex]

Step-by-step explanation:

Let x be the smaller number.

The next even number will be (x + 2).

[tex]x+x+2=66[/tex]

[tex]2x+2=66[/tex]

Subtract 2 from both sides:

[tex]2x+2-2=66-2[/tex]

[tex]2x=64[/tex]

Divide both sides by 2:

[tex]\frac{2x}{2}=\frac{64}{2}[/tex]

[tex]x=32[/tex]

The smaller number is 32.

Larger number [tex]=32+2=34[/tex]

I need help asap please​

Answers

Answer:

The answer is C. Its graph goes through the origin

Step-by-step explanation:

I hope this helps you :)

the cube root of 64 ​

Answers

Answer:

Step-by-step explanation:

The 3rd root of 64, or 64 radical 3, or the cube root of 64 is written as 3√64=4.

4 is the correct answer

A number between 1 and 3 is chosen 30 times. Results are shown in the table below. What is the experimental probability of picking a number that is NOT odd? *
10 points

Answers

The chances of picking an even number (that is not odd) would be 1 out of 3

Answer:

I'm trying to find it out to

Step-by-step explanation:

The endpoints of AB¯¯¯¯¯¯¯¯ are A(9,−4) and B(5,5). Find the coordinates of the midpoint M. Coordinates of midpoint M: ( , )

Answers

Answer:

Step-by-step explanation:

(9 + 5)/2= 14/2= 7

(-4 + 5)/2= 1/2

(7, 1/2) Coordinates of Midpoint M

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