-3 (3c + 5) = 2 (10 - c)

Answers

Answer 1

Answer:-5

Step-by-step explanation:

You need to distribute on both sides so u get

9c-15=20-2c

Move variable to left side and change the sign

-9c+2c-15=20

Move constant to right side and change the sign

-9c+2c=20+15

Connect like terms

-7c=35

Divide

C=-5


Related Questions

Can someone please take there time to do this every time I asked it’s wrong

Answers

Answer:

5/3x - y = 5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDASEquality Properties

Algebra I

Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Slope-Intercept Form: y = mx + b

m - slope b - y-intercept

Standard Form: Ax + By = C

Step-by-step explanation:

Step 1: Define

Find points from graph.

x-int (3, 0)

y-int (0, -5)

Step 2: Find slope m

Substitute:                    [tex]m=\frac{-5-0}{0-3}[/tex]Subtract:                       [tex]m=\frac{-5}{-3}[/tex]Simplify:                        [tex]m=\frac{5}{3}[/tex]

Step 3: Write Slope-Intercept Form

y = 5/3x - 5

Step 4: Find Standard Form

Subtract 5/3x on both sides:          -5/3x + y = -5Multiply both sides by -1:                5/3x - y = 5

And we have our answer!

Your subtotal at the store was $58.89. You have a 30% off coupon. If the sales tax rate is 5.5%, what is the total price for your shopping trip?

Answers

Answer:

$43.48

Step-by-step explanation:

58.89x.30=17.68

58.89-17.68=41.21

41.21x.055=2.27

41.21+2.27= $43.48

Answer:

$43.49

Step-by-step explanation:

When you take of 30%, multiply by 0.7

When you add 5.5%, multiply by 1.055

Start with $58.89

Take off 30%: 0.7 * $58.89 = $41.22

Add 5.5%: 1.055 * $41.22 = $43.49

A group of three friends have 3 different jobs. Mallory makes $9 an hour at Kroger, Chandler makes $11 at HEB, and Sophia makes $8 at Cinemark. All together they worked a total of 40 hours and earned $370. Mallory worked twice as many hours as Chandler.
How many hours did each friend work?

Answers

Answer:

22 hour i think :)))))))

4. Ben spent $380 on food last month. If Ben's monthly income is $4000, what percent was spent on food? * VI​

Answers

Answer:

9.5%

Step-by-step explanation:

Triangle CEN is congruent to Triangle CED. What property is shown by line segment CE being congruent to line segment CE?

Answers

Answer:

C. Reflexive property

Step-by-step explanation:

When a line segment is congruent or the same as itself, it is considered to have a property known as reflexive property.

This means line segment CE is a mirror image of itself. Therefore, line segment CE is congruent to line segment CE.

Line segment CE is what divides the figure given into two equal halves, making both parts congruent to each other.

If a circle with a diameter of 4 inches rotates 1000°, what distance will any one spot on
its edge actually travel?

Answers

We first convert from degrees to radians multiplying by π/180:

θ = 1000° × π/180 = 17.45 rad

The radius is:

r = d/2 = 4 in /2 = 2 inch

So, The distance traveled is given by the product of the angle in radians and the radius. This is:

d = θr = (17.45 rad)(2 inch) = 34.9 inch

Help please if you can

Answers

it goes up each time bc its 2x2 is r 3x3 is 9 4x4 is 16 and 5x5 is 25. its each number time each number and it goes up 1 everytime. what are the options ?

7 divided by 2, plus the product of −4 and a number s

Answers

Answer:

Answer at the bottom!!

Step-by-step explanation:

If you need equation:

7/2=3.5

3.5+(-4*s)=y

Hope this helps!!

Please help me someone

Answers

Answer:

Given: <1 + <2; Line AX = line BX

Prove: Line AC = BD

Step-by-step explanation:

Please someone help me with this question! :)

Thank you

Answers

Answer:

It's 26Step-by-step explanation:6+24=3017+24=4126+24=50***42+24=66

Question 3 40 pts
An object is attached to a spring that is stretched and released. The equation d = a (cos(bt)) models the distance, d, of the object in inches above or below the rest position as a function of time, t, in seconds. If a = 5 and b = 5 Approximately when will the object be 2 inches above the rest position? Round to the nearest hundredth, if necessary.

Answers

Answer:

The object will be 2 inches above the rest position when at approximately 0.23 seconds

Step-by-step explanation:

The given parameters are;

The equation that models the distance, d, of the object in inches above or below the rest position = a×(cos(b·t))

If a = 5 and b = 5, we have;

d = 5 × (cos(5 × t))

When the object is approximately 2 inches above the ground, we have;

d = 2 = 5 × (cos(5 × t))

cos(5 × t) = 2/5

5 × t = cos⁻¹(2/5) ≈ 1.16

t =  (cos⁻¹(2/5))/5 ≈ 1.16/5

t ≈ 0.23 s

The object will be 2 inches above the rest position when t ≈ 0.23 s.

In a trivia competition, Dan had accumulated 600 points.Then he lost 450 points in the fashion category.What was his score at that point?

A.110

B.150

C.180

D.1050

Answers

Answer:

its d

Step-by-step explanation:

YW is the perpendicular bisector of ZT.
If TW = 3, YW = 8, and XZ = 12. Find XY.

Answers

Answer:

XY = 17 UNIT

Step-by-step explanation:

Given:

TW = 3

YW = 8

XZ = 12

Find:

XY

Computation:

TW = ZW = 3

So,

XW = 12 + 3

XW = 15

So

XY = √XW²+YW²

XY = √15²+8²

XY = √289

XY = 17 UNIT

Applying the definition of perpendicular bisector and the Pythagorean Theorem, the value of XY is calculated as: 17 units.

Recall:

A perpendicular bisector of a line divides a line segment into two equal halves.Also, it forms two opposite right angles on the point of bisection.

Considering the diagram attached below, we are given that:

[tex]TW = 3\\\\YW = 8\\\\XZ = 12[/tex]

We need to find the length of XY.

Applying the Pythagorean theorem:

[tex]XY = \sqrt{XW^2 + YW^2}[/tex]

XW = XZ + WZ

XZ = 12 (given)

WZ = TW = 3 (congruent segments)

Thus:

XW = 12 + 3

XW = 15

Plug in the values of XW and YW into [tex]XY = \sqrt{XW^2 + YW^2}[/tex]

Thus:

[tex]XY = \sqrt{15^2 + 8^2}\\\\\mathbf{XY = 17}[/tex]

Learn more here:

https://brainly.com/question/1761937

what's the answer to this quadratic equation
(x - 18)^2 = 1

Answers

Answer:

x=17 or x=19

Step-by-step explanation:

(x−18)^2=1

First, simplify both sides of the equation.

x*2−36x+324=1

Then subtract 1 from both sides.

x^2−36x+324−1=1−1

x^2−36x+323=0

Factor left side of equation.

(x−17)(x−19)=0

Then set factors equal to 0.

x−17=0 or x−19=0

x=17 or x=19

Answer:

Its either x=17 or x=19

Step-by-step explanation:

BRAINLIEST!!!!! PLEASE ANSWER!!!!!

Answers

Answer:

11/5

Step-by-step explanation:

the line goes up 11, and over 5, therfore the slope would be rise over run...so 11/5

(2,-4); rotation 180 degrees

Answers

Answer:

(-2, 4)

Step-by-step explanation:

the answer is (-2,4)

What is the slope for 22x-5y=-8

Answers

Answer:

22/5 is the slope I think

Step-by-step explanation:

22x-5y=-8

-22x

-5y=-8-22x

Divide by -5

Y= 8+22x/5

What is true about the number of sides in any regular polygon that has at least one line of symmetry passing through two vertices?


Answers:

I found the answer. It's The number of sides are even.

Answers

Answer:

B

Step-by-step explanation:

Took the quiz

Find angle YWX using the perpendicular or angle bisector method.

Answers

9x-28=5x-8
9x=5x+20
4x=20
x=5
(9x-28)+(5x-8)=
(17)+(17)=34
YMX= 34 degrees

Answer:

x = 5

Step-by-step explanation:

9x - 28 = 5x - 8 (because Y and X are equal, and XZ and YZ are equal)

add 8 to both sides

9x - 20 = 5x

subtract 9x from both sides

-20 = -4x

divide 4x from both sides

5 = x

x = 5

What is the slope of the line

Answers

Answer:

[tex]m=\frac{-1}{3}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Step-by-step explanation:

Step 1: Define

Find points from the graph.

Point (2, 0)

Point (5, -1)

Step 2: Find slope m

Substitute:                    [tex]m=\frac{-1-0}{5-2}[/tex]Subtract:                       [tex]m=\frac{-1}{3}[/tex]

And we have our answer!

Identify the interval(s) on which the quadratic function is positive.

y = 5x² - 46x + 77

Answers

Answer:

Step-by-step explanation:

y = 5x² - 46x + 77

If you want the roots they are 11/5 and 7 both positive.

8 to the power of 2x=4 solve for x

Answers

Answer:

x = 1/3

Step-by-step explanation:

8^2x = 4

6x = 2

x = 1/3

Rob has 40 coins, all dimes and quarters, worth $7.60. Write the system needed to determine the
number of dimes and quarters.

WILL GIVE BRAINLIEST

Answers

Answer:d + q = 40 -----> d = 40 - q

10d + 25q = 760

Substitute!

10(40 - q) + 25q = 760

400 - 10q + 25q = 760

15q = 360

q = 24

d = 40 - 24

d = 16

Step-by-step explanation:

what is the slope of a line with endpoints (-11,5) and (5,-7)

Answers

Answer:

-6/8

Step-by-step explanation:

Slope=y1-y2/x1-x2

Where (X1,y1) is (-11,5) and (X2,y2) is(5,-7)

Slope=5+7/-11-5

=-12/16

= -6/8

So the slope is -6/8

Slope K = (y2-y1)/(x2-x1)
Point 1 = (-11,5) Point 2 = (5,-7)

Slope K = (-7-5)/(5+11) = (-12)/16 = -3/4

someone please help !

Answers

For #2 they would make 394 dollars because they earn 2 dollars per bracelet, and I know that because the slope is 2

someone please answer this for me :)

Answers

Answer:

1) 1 and 1/8

2) 2 and 5/7

3) 1 and 8/9

Hope this helps :)

Step-by-step explanation:

Answer:

1. 1 and 1/8

2. 2 and 5/7

3) 1 and 8/9

Step-by-step explanation:

The freezing point of helium is 0.95 Kelvin. What is this temperature in degrees Fahrenheit?​

Answers

Answer:

-457.96

Step-by-step explanation:

Step-by-step explanation:

273.15 + °C = K

°C = K - 273.15

0.95K to °C = 0.95 - 273.15 = -272.2°C

°C to °F

(9/5 °C) + 32 = °F

(9/5 × -272.2) + 32 = °F

-489.96 + 32 = °F

= -457.96°F

please mark brainliest

PLEASE HELP!! 15 POINTS!!!!

Answers

A. Is y=2x+3
B. Is y=-x+6 or in pt slope form y-5=-1 times (x-1)
C. Is (1,5) you can graph the slope intercept form equations to show your work :)

1000 + 6901 - 64 = ?​

Answers

Answer:

7837

Step-by-step explanation:

1000 + 6901 - 64 = ?​

=7837

I need to know how to graph and use a table to solve for y=3x+0

Answers

Answer:

Step-by-step explanation:

On a table, you'd have two columns: one for your input(x) and one for your output(y). If given an x value, put it into the equation to solve for y, and if you have a y value, put it into the equation for x. You can also come up with your own x values and put them into the equation if you need to create a table from scratch I'm not sure what you're asking but this will help you fill in a table. Here's and example for this equation.

X              Y

1                3

2               6

3               9

Graphs are pretty simple. Just find a value on the x-axis (horizontal), find the point on the line above or below this value, and look at what number it is for the y value. You can do this backwards if you need to find y when given x.

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