3(2x - 2) - r + 3x = 2(7x + 1) – 5x - 9

Answers

Answer 1

Answer:

r=1

Step-by-step explanation:

3(2x−2)−r+3x=2(7x+1)−5x−9

Step 1: Add -9x to both sides.

−r+9x−6+−9x=9x−7+−9x

−r−6=−7

Step 2: Add 6 to both sides.

−r−6+6=−7+6

−r=−1

Step 3: Divide both sides by -1.

−r

−1

=

−1

−1

Answer 2
Final answer:

The question is asking to solve for 'r' in the given equation. After simplifying to 9x - 6 - r = 9x -7 and solving for 'r', we find r = 1.

Explanation:

The given equation is 3(2x - 2) - r + 3x = 2(7x + 1) – 5x - 9. To solve for 'r', we first simplify both sides of the equation. Distributing on the left side, we obtain 6x - 6 - r + 3x. On the right side we have 14x + 2 - 5x - 9. After simplifying, we obtain 9x - 6 - r = 9x -7. Subtracting 9x from both sides, we have -6 - r = - 7. Finally, solving for 'r', we add 6 to both side to get r = 1

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Related Questions

Which of the following transformations is shown?
A. Translation 1 unit down
B. Translation 2 units down
C. Translation 3 units to the right
D. Reflection across the line y-axis

Answers

Answer:

B. Translation 2 units down

Step-by-step explanation:

Each time you start from a certain y-intercept, its prime gets translated two below each time:

n[1, 0] to n'[-1, 0]

m[4, 0] to m'[2, 0]

Now, it does not look perfectly shifted down for m' and m, but it it is definitely translated.

I am joyous to assist you anytime.

How do you solve number eight?

Answers

44 + 37 + x = 180

x + 81 = 180

x = 180 - 81

x = 99

n + 99 = 180

n = 180 - 99

n = 81

What is the surface area of a sphere with a radius of 9 units?

Answers

The surface area of a sphere with a radius of 9 units is given by the formula 4 (pi) (r)2, resulting in an area of 324 (pi) square units, or approximately 1017.88 square units when using 3.14159 for (pi).

Calculating the Surface Area of a Sphere

To find the surface area of a sphere, you will need to use the formula: surface area = 4 (pi) (r)2, where r is the radius of the sphere. For a sphere with a radius of 9 units, you would calculate the surface area as follows:

Surface Area = 4 (pi) (92)

Surface Area = 4 (pi) (81)

Surface Area = 324 (pi)

So, the surface area of the sphere is 324 (pi) square units. If you use the approximate value of (pi) = 3.14159, then the surface area would approximately be 1017.88 square units.

Find the length of segment CD with points C(2,2) and D (-1,8)

A. 8.1
B. 5.2
C. 4.3
D. 6.7

Answers

Answer:

D

Step-by-step explanation:

Calculate the length using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = C(2, 2) and (x₂, y₂ ) = D(- 1, 8)

CD = [tex]\sqrt{(-1-2)^2+(8-2)^2}[/tex]

     = [tex]\sqrt{(-3)^2+6^2}[/tex]

     = [tex]\sqrt{9+36}[/tex] = [tex]\sqrt{45}[/tex] ≈ 6.7 → D

% of 50 shirts is 35 shirts.

Answers

Answer:

35/50

= x/100

3500=50x

x=3500/50=70

70%

Answer:

Step-by-step explanation:

% of 50 s:hirts is 35 shirts: (35×50)/100 = 17.5

Jordan will hike the trail shown at a rate of 4 mi/h. Write a linear equation to represent the distance Jordan still has to walk after x hours.What does the y-intercept of the equation
represent?
What we know:

Start of trail:
0 miles
End of trail:
25 miles​

Answers

Answer:

Y=25-4x

Y means the distance Jordan still has to walk after x hours

Step-by-step explanation:

Answer:

y = 25 - 4*x

The y-intercept represents the total distance Jordan has to walk

Step-by-step explanation:

By Definition, speed = distance/time. We are interested in distance, then:

distance = speed*time

Calling x the hours of walking, and knowing that his speed is 4 mi/h, then:

distance = 4*x

The trail length is 25 miles, so if he walked 1 mile, 25 - 1 = 24 miles are left, in general:

y = 25 - 4*x

where y is the distance Jordan still has to walk.

The y-intercept is found replacing with x = 0, then:

y = 25 - 4*0

y = 25

which represents the total distance Jordan has to walk

Place the following in order from least to greatest. 74.6, -74.69,-74.069, 74.59

Answers

Answer:

-74.069, -74.69, 74.59, 74.6

Step-by-step explanation:

negative numbers are smaller than positives

Answer:

-74.69, -74.069, 74.59, 74.6

Step-by-step explanation:

What is the slope of the line in the graph?

Answers

Answer:

The slope is 1

Step-by-step explanation:

Slope is change in y over change in x.

You have point (1,2) and point (0,1)

change in y = 2-1 = 1

change in x = 1-0 = 1

change in y over change in x  = 1/1 = 1

The first three steps in writing f(x) = 40x + 5x2 in vertex form are shown.

Answers

5x(8+x)
Is the correct answer for vertex form

The answer is  f(x)=5(x+8)-80f ( x ) = 5 ( x + 8 ) − 80

Esther works for a marketing company. She earns $12 per hour, and she gets $50 travel allowance every month. Which linear equation could be used to find her monthly pay rate?

Answers

Answer:

y = 12x + 50

Step-by-step explanation:

Given,

The fixed amount of monthly allowance = $ 50,

Also, the earning per hour = $ 12,

If she works x hours in a month,

Then her total earning in x hours = 12x,

Also, total earning for a month ( say y ) = earning for x hours + fixed allowance

y = 12x + 50

Which is the required linear equation.

Answer:

y = 12x + 50

Step-by-step explanation:

Just took post-test 15/15

One positive number is 3 times another number. The difference between the two numbers is 62. Find the numbers

Answers

Answer:

31

93

Step-by-step explanation:

Let the larger number = y

Let the smaller number = x

y = 3x

y - x = 62

3x - x = 62

2x = 62

2x/2 = 62/2

x = 31

y = 3x

y = 3*31

y = 93

Final answer:

To find two positive numbers where one is 3 times the other and their difference is 62, let one number be x, then solve the equation 3x - x = 62 to find the numbers 31 and 93.

Explanation:

To find the numbers:

Let one number be x, then the other number is 3x.

Form an equation: 3x - x = 62.

Solve for x: 2x = 62, x = 31.

So, the two numbers are 31 and 93.

model the number 5.55 on the place value chart

Answers

Answer:

Here's what I get  

Step-by-step explanation:

Each digit in a  number has a place value, based on its distance from the decimal point.

The value of a digit  is the digit multiplied by its place value.

The place value of a digit increases by a factor of 10 as we move left on the place value chart and decreases by a factor of 10 as we move right.  

Numbers to the left of the decimal point increase in the order: ones, tens, hundreds, thousands, etc.

Numbers to the right of the decimal point decrease in the order: tenths, hundredths, thousandths, etc.

So, we put the digits of 5.55 on the chart according to their place value.

8. Minnie has 6 country CDs and 5 rock CDs.
Amanda has 5 rock CDs and 6 country CDs.
Who has more CDs? Explain.

Answers

they both have the same amount of CDs
bc 6 country Cds plus another 6 country CDs is 12 Cds. 5 rock Cds plus 5 rock CDs is 10 rock CDs. so in total they have 22 CDs

Answer: They have the same amount (11 )

Step-by-step explanation: just because the numbers are switched, doesn’t mean anything( no difference in the numbers.

Which equations represent the line that is perpendicular to the line 5x − 2y = −6 and passes through the point (5, −4)? Select three options. y = –Two-fifthsx – 2 2x + 5y = −10 2x − 5y = −10 y + 4 = –Two-fifths(x – 5) y – 4 = Five-halves(x + 5)

Answers

Final answer:

The three linear  equations that represent the line perpendicular to the line 5x - 2y = -6 and passing through the point (5, -4) are: y = -2/5x - 2, 2x + 5y = -10, and y + 4 = -2/5 * (x - 5).

Explanation:

Firstly, to find a line perpendicular to another line, we need to find the negative reciprocal of the slope of the original line. The equation 5x - 2y = -6 can be rewritten in slope-intercept form (y = mx + b) as y = 2.5x + 3, so its slope is 2.5. The negative reciprocal of 2.5 is -2/5. Therefore, the slope of the line we are looking for is -2/5.

Secondly, a line passes through a given point (5, -4), so we can use the point-slope form of the equation, which is y - y1 = m(x - x1). By substituting the values, we get y - (-4) = -2/5 * (x - 5), which simplifies to y + 4 = -2/5 * (x - 5).

Lastly, to find other representations of the same line, the standard form of a linear equation is Ax + By = C. Converting y + 4 = -2/5 * (x - 5) to standard form gives us 2x + 5y = -10. So, the three equations that represent the line are: y = -2/5x - 2, 2x + 5y = -10, and y + 4 = -2/5 * (x - 5).

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How much does 8.20 X 10-3dm3 (1dm3 = 1L) sample of aluminum weigh in grams?
centimeters?

Answers

Answer:

8.20 grams ; 8.20 cm³

Step-by-step explanation:

At first convert it to from dm³

we know,

1 dm³ =10⁻³ m³

∴ 8.20 X 10⁻³dm3 = 8.20 X 10⁻³ x 10⁻³ m³

                              =8.20 X 10⁻⁶ m³

                             

m³ to gram :

1 m³ = 10⁶ grams

∴ 8.20 X 10⁻⁶ m³ = (8.20 X 10⁻⁶x10⁶) grams

                            = 8.20 grams

m³ to cm³ :

1m³ = 10⁶ cm³

∴8.20 X 10⁻⁶ m³ = (8.20 X 10⁻⁶ x 10⁶) cm³

                           =8.20 cm³

Note:

1 cm³ = 1 gram

What is the slope of (5,3) and (5,-9)

Answers

The slope is the change in Y over the change in X.

A point is written as ( X,Y), where the first number is the X and the second number is the Y.

You have:

(5,3) and (5,-9)

The change in Y is  -9 - 3 = -12

The change in X is 5-5 = 0

The slope becomes -12/0

Because you have a 0 on the bottom of the fraction the slope is undefined because you cannot divide by 0.

The slope is undefined.

Evaluate a + b for a = 43 and b = -29.
HELP ME I ONLY HAVE 1 hourrr

Answers

Answer:

14

Step-by-step explanation:

Substitute the given values for a and b into the expression and evaluate

a + b = 43 + (- 29) = 43 - 29 = 14

Answer:

Step-by-step explanation:

a + b = 43 +(-29) =43-29 = 14

Write an even number between 7 and 16 draw a picture and the write a sentence to explain why it is an even number

Answers

The even number I picked was 6, here is why it is an even number.

You can put each in even groups, without having one group be more or less then the other, if I picked an odd number like 7, one group would had more, and the other 2 groups would have less.

------------------------------------------------

Hope this helped, have a great day!

a cone has a radius of 5 m and a height of 3 m.What is the volume of the cone?

Answers

Answer:

78.54 [tex]m^3[/tex]

Step-by-step explanation:

Use the formula for the volume of a cone of circular base with radius "R" and height "H", using the given values for the radius R (5 meters), and the cone's height (3 meters)

[tex]Volume= \pi R^2 \frac{H}{3} \\Volume = \pi 5^2 \frac{3}{3} m^3 = 78.539816....  m^3[/tex]

And we round the answer to two decimals:

Volume = 78.54 [tex]m^3[/tex]

x + (-y)= -y + x
What’s the property

Answers

hm

Step-by-step explanation:

I'd go with associative because its re grouping

Answer:

Step-by-step explanation:

the property is : a+b= b+a    comutative for +

-7 1/3 written as a fraction is
- 10/3
- 21/3
- 22/3

Answers

Answer:

-22/3

Step-by-step explanation:

Multiply the whole number by the denominator, and then add the numerator to get the improper fraction.

The product of 9 and x is less than or equal to -17

Answers

Answer:

9+x< -17

(make sure there's a line under the less than sign to make it work to)

Step-by-step explanation:

the product of 9 and x describes an addition problem, so it would be 9+x. after you put the less then or equal to sign and then -17.

Hope this helps

To solve the inequality 9x ≤ -17, divide both sides by 9 to find x ≤ -17/9, meaning x can be any value less than or equal to approximately -1.888.

The student's question pertains to an inequality in mathematics involving a variable x and requires an understanding of algebraic inequalities. To solve the inequality 9x ≤ -17, we need to isolate the variable x. We can do this by dividing both sides of the inequality by 9, which gives us x ≤ -17/9. It is important to note that dividing by a positive number does not change the direction of the inequality sign.

The value of x must satisfy this inequality, so any number less than or equal to -17/9 is a solution to the inequality. That means x could be -2, -3, or any other value that is less than or equal to approximately -1.888... (since -17/9 is a decimal approximation of -1.888...).

Write the equation in slope intercept form.

Answers

[tex]\bf y+2=\cfrac{1}{3}(x-6)\implies y+2=\cfrac{1}{3}x-2 \\\\\\ y=\cfrac{1}{3}x-4\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]

Answer:

[tex]y = \frac{1}{3} x - 4[/tex]

Step-by-step explanation:

Given equation :-

[tex]y + 2 = \frac{1}{3} (x - 6)[/tex]

• Slope intercept form is

y = mx + c

where , m is slope of the straight line

and c is y intercept of the line !

Solving and simplifying the given equation ,

[tex]3y + 6 = x - 6 \\ \\ 3y = x - 6 - 6 \\ \\ 3y = x - 12[/tex]

[tex]y = \frac{1}{3} x - \frac{12}{3 } \\ \\ y = \frac{1}{3} x - 4[/tex]

So, m = 1/3 and c = ( -4 )

hence , the required slope intercept form of the equation is

[tex]y = \frac{1}{3} x - 4[/tex]

Write .46 as a fraction

Answers

The answer is 23/50. 46%
.46 as a fraction is 23:50

Find the slope and the y-intercept of the line.
y=9x-1
slope:
y-intercept:

Answers

Hey!

------------------------------------------------

Solution:

The equation is written in slope-intercept form!

~Formula

y = mx + b

~Terms

m = slope

b = y-intercept

------------------------------------------------

Answer:

[tex]\large\boxed{9~=~slope!}\\\large\boxed{1~=~y~intercept!}[/tex]

------------------------------------------------

Hope This Helped! Good Luck!

Hi, let me help you out!

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

We are given an equation in slope-intercept form:

[tex]\longrightarrow\tt{y=mx+b}[/tex]

Where m is the slope, and b is the y-intercept.

Now let's find the slope of the given line.

Note: The slope is the coefficient of x.

The slope is 9, and the y-intercept (the constant term added to or subtracted from the slope) is -1.

I hope this helps you! Have an awesome day!

If you need any explanation or clarification, feel free to ask! :D

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

I’d like for you to Show work please:)

Answers

What math level is that
This is how you do it. Hope this helps!!!

The expression above can also be written in the form of

Answers

Answer:

a= 7

b=9

c=4

Step-by-step explanation:

Answer:

a= 7

b=9

c=4

Step-by-step explanation:

lol

Please help with this math question!

Answers

All you need to do is find the perimeter to see how much dense is needed
23+14+23+14=74

Answer=74 feet of fence

Answer:

74 feet in total. All it is is the perimeter

Norma's credit card has an APR of 16%, calculated on the previous monthly
balance, and a minimum payment of 2%, starting the month after the first
purchase. Her credit card record for the last 7 months is shown in the table
below.

Answers

Norma's credit card balance at the end of the 7th month is $1,487.22.

How to solve

Calculate the interest for each month.

Interest = (Previous month's balance * APR) / 12

Calculate the new balance for each month.

New balance = Previous month's balance + Purchases + Interest - Payments

Here's the calculation for each month:

Month 1:

Interest: 0 (No interest on the first month)

Balance: $500 + $0 = $500

Month 2:

Interest: ($500 * 0.16) / 12 = $6.67

Balance: $500 + $200 + $6.67 - $10 = $696.67

Month 3:

Interest: ($696.67 * 0.16) / 12 = $9.29

Balance: $696.67 + $300 + $9.29 - $20 = $986.29

Month 4:

Interest: ($986.29 * 0.16) / 12 = $13.15

Balance: $986.29 + $100 + $13.15 - $20 = $1079.44

Month 5:

Interest: ($1079.44 * 0.16) / 12 = $14.39

Balance: $1079.44 + $150 + $14.39 - $10 = $1233.83

Month 6:

Interest: ($1233.83 * 0.16) / 12 = $16.45

Balance: $1233.83 + $0 + $16.45 - $15 = $1235.28

Month 7:

Interest: ($1235.28 * 0.16) / 12 = $16.47

After all the computations, taking into consideration the amount spent and paid earlier,

Norma's credit card balance at the end of the 7th month has amounted to $1,487.22.

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Norma's credit card has an APR of 16%, calculated on the previous monthly balance, and a minimum payment of 2%, starting the month after the first purchase. Her credit card record for the last 7 months is shown in the table below.

Month Purchases Payments

1 $500 $0

2 $200 $10

3 $300 $20

4 $100 $20

5 $150 $10

6 $0 $15

7 $250 $15

Calculate Norma's credit card balance at the end of the 7th month.

Answer: 389.46

Step-by-step explanation:

Add all payments received.

trust

BRAINLIEST ASAP
solve for x
2x+9=35

Answers

Hey!

---------------------------

Solution:

2x + 9 = 35

2x + 9 - 9 = 35 - 9

2x = 26

2x/2 = 26/2

x = 13

---------------------------

Answer:

x = 13

---------------------------

Hope This Helped! Good Luck!

Answer:

x = 13

Step-by-step explanation:

Given

2x + 9 = 35 ( isolate 2x by subtracting 9 from both sides )

2x = 26 ( divide both sides by 2 )

x = 13

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