3(4x - 5) - 2 (x - 3) = 7
Can you please simplify this for me?

Answers

Answer 1
5x=8 is your simplified
Answer 2

Step-by-step explanation:

12x - 15 - 2x + 6 = 7

10x - 9 = 7

10x = 16

x = 16/10

x = 8/5


Related Questions


Simplify each expression.
ln e²/2

Answers

 [tex]\frac{ln(e^2)}{2}[/tex] = 1, by properties of logarithm.

What is Logarithm?The opposite of exponentiation is the logarithm.This indicates that the exponent to which a fixed number, base b, must be raised in order to obtain a specific number x, is represented by the logarithm of that number.A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.

Given: [tex]\frac{ln(e^2)}{2}[/tex]

Now,

By property of logarithm, [tex]log_b(a)^m=m(log_b(a))[/tex],

=> [tex]\frac{ln(e^2)}{2}[/tex] = [tex]\frac{2 (ln(e))}{2}[/tex]

=>  [tex]\frac{ln(e^2)}{2}[/tex] = ln (e)

AS we know that ln (e) = 1 (by properties of logarithm),

=>  [tex]\frac{ln(e^2)}{2}[/tex] = 1

Hence,  [tex]\frac{ln(e^2)}{2}[/tex] = 1, by properties of logarithm.

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who can help please i need this for my maths score

Answers

Answer:

196 degrees, reflex.

Step-by-step explanation:

The angles fit around a point, therefore, they add up to 360 degrees.
Let [tex]x[/tex] be the size of the third angle.

[tex]x + 113 + 51 = 360 \\x + 164 = 360 \text{ / Subtract 164 on both sides} \\x + 164 - 164 = 360 - 164} \\x = 196[/tex]

The angle is larger than 180 degrees and smaller than 360 degrees, therefore, its a reflex angle.

Answer:

196 degrees, reflex.

Step-by-step explanation:

What are Co-Interior angles

Answers

Answer: angels that lie between two lines and are intersected by a transversal.

Step-by-step explanation:

What the person said above


Simplify each number. 8²/₃

Answers

Express 8 as a product of its prime factors. Write it in index form and apply the power rule: (a^m)^n = a^mn

8 = 2x2x2 = 2^3

(2^3)^2/3 = 2 ^ 3x2/3 = 2^2

=4

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sue wants 1 2 of a rectangular pan of cornbread. dena wants 1 3 of the same pan of cornbread. how should you cut the cornbread so that each girl gets the size portion she wants? solve this problem any way you choose.

Answers

Finding LCM for the problem, you should cut the cornbread into 6 parts, Sue will get 3 parts and Dena will get 2 parts.

LCM is referred to as the least common multiple for a set of numbers that can be divided by the same whole number as a result.

At first, we have to find LCM of 2 and 3, which is the denominator of 1/2 and 1/3, and its 6 and we will cut it into 6 pieces.

So, Sue will get 3 pieces from the cornbread ( 3/6 = 1/2 ) and Dena will get 2 pieces from the cornbread ( 2/6 = 1/3 ).

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Colin has three rabbits called Fluffy, Mr Flopsy and Hoppy.
Fluffy's weight is 42% of Mr Flopsy's weight and 56% of Hoppy's weight.
If Mr Flopsy weighs 2500 g, how much does Hoppy weigh?

Answers

In linear equation, 1875  does Hoppy weight .

What are instances of linear equations?

A linear equation with one variable is one that contains just one variable. It has the formula Ax + B = 0, with A and B being any two real numbers and x being an ambiguous variable with only one possible value. One such linear equation in one variable is 9x + 78 = 18.

A = 42b = 56c

a : b : c  = 42 : 100 : 75

total Mr Flopsy weights = 2500

then  Hoppy weight =  75 = 2400/100 * 75

                                  = 1875

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Lisa’s square garden has an area of 64 square feet . Lisa increase each side of her square garden by 5 feet . What is the total area of the garden

Answers

Answer:

the total area of the enlarged garden is 324 square feet

Step-by-step explanation:

Lisa square garden has an area of 64 square feet. The formula for determining the area of a square is expressed as

Area = Length²

Length = √Area

Therefore, Length of each side of Lisa's garden is

√64 = 8 feet.

Lisa increases each side of her square garden by 5 feet. It means that the length of each side of the enlarged garden is 8 + 5 + 5 = 18 feet

Therefore, the total area of the enlarged garden would be

18² = 324 square feet

Mitchell owes his mom $18. He's been helping
around the house a lot, so his mom decided to
forgive $12 of his debt. How much does he owe
now?

Answers

Answer:

Mitchell owes his mom =$18. sum of money his mom reduced =$12.

Step-by-step explanation:

SO IT 6 DOLLARS

Answer: $6

Explanation: $18-$12=$6

Hope this helps!!! have a nice day!

Which expression is equivalent to (5x−5y3)−2? −25x10y6 negative quantity 25 times x raised to the tenth power end quantity over y raised to the sixth power x raised to the tenth power over quantity 25 times y raised to the sixth power end quantity 1 over quantity 25 times x raised to the tenth power times y raised to the sixth power end quantity

Answers

Using the rules of exponents, the expression (5 x^−5 y^3)^−2 is equivalent to x^10 / (25 y^6) or "x raised to the tenth power over quantity 25 times y raised to the sixth power end quantity".

Given: (5 x^−5 y^3)^−2

1. Distribute the power of two using the Power of a Power Rule. "When a power is raised to another power, multiply the exponents."

5^−2 x^(−5)(−2) y^(3)(−2) =  5^−2 x^10 y^-6

2. Use Negative Rule of Exponent. "A number with a negative exponent should be put to the denominator, and vice versa."

5^−2 x^10 y^-6 = (x^10) / (5^2 y^6)

3. Simplify the constant term.

(x^10) / (5^2 y^6) = x^10 / 25 y^6

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Please help me part 2

Answers

Answer: 45 76 82

Step-by-step explanation: for 8

For which values of A, B, and C will Ax + By = C be a horizontal line through the point (−4, 2)?

Answers

The values of A, B, and C will Ax + By = C be a horizontal line through the point (−4, 2) are ( 0, B, 2B)

In the above question, a horizontal line is given whose equation is Ax + By = C which passes through a point (-4, 2)

We can make two observations from the given information of horizontal line passes through point (-4,2) which are as follows:

1. The slope of a horizontal line will be parallel to the x-axis whose slope will be, m=0.

2. The given point and the line meet at (-4,2).

Now as the point (-4,2) lie on the line it will satisfy the equation of the horizontal line

We get,

A(-4) + B(2) = C

-4A + 2B = C ..... eqn 1

Also, we can write the given equation in the slope-intercept form which is

y = mx + c

By = -Ax + C

y = [tex]\frac{-A}{C}[/tex]x + [tex]\frac{C}{B}[/tex]

So, we can imply that m =  [tex]\frac{-A}{C}[/tex] = 0

A = 0

Putting this in eqn 1 we get,

-4A + 2B = C

0 + 2B = C

C = 2B

Hence, we conclude that values of A, B, and C will Ax + By = C be a horizontal line through the point (−4, 2) are ( 0, B, 2B)

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7-3+5x(6-2)=
A 16
B 24
C 0
D 36

Answers

7-3=4+5=9
(6-2)=4
9*4=36

2. Matthew earns $35.00 on Saturday for mowing lawns and deposits it into his
savings account. He then withdraws $27.00 to buy a video game.
What is the overall increase or decrease in Matthew's savings account balance?
A. - $9.00
B. + $6.00
C. + $8.00
D. - $7.00

Answers

Step-by-step explanation:

Technically none of these are the right answer. The decrease in his account would be -27.

But out of the given choices, I'll go with option C because he has $8 left in his savings

A recipe for oatmeal cookies calls for 2 cups of flour and 2.5 cups of oats. For each cup of flour, he must also add 1.5 teaspoons of baking powder. If a baker uses 15 cups of oats how many teaspoons of baking powder must he use?

Answers

He will use 18 teaspoons of baking powder for the oatmeal recipe

How to calculate the amount of baking flour ?

A recipe requires 2 cups of flour and 2.5 cups of oats

For each cup he must add 1.5 teaspoons of baking powder

He uses 15 cups of oats

Each recipe uses 2 cups of flour, the teaspoons of baking powder used in one recipe is

1.5 × 2 = 3

2.5 cups of oats is used for one recipe, he uses 15 cups of oats, this means that the number of recipes is 6 (15/2.5)

Since the number of recipes is 6 and 3 teaspoon of baking powder is used for one recipe, then the number of teaspoons used is

= 6 × 3

= 18

Hence he used 18 teaspoons of baking powder

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In which direction does the electric field point at a position directly east of a
negative charge?

Answers

The electric field at the point directly to the east of the negatively charged point is directed towards the charge, that is, west of the point.

The correct option is D.

Briefing:

A negative point charge has an electric field focused at it. Thus, the electric field at the point directly to the east of the negatively charged point is directed towards the charge, that is, west of the point.

Electric field describe as:

The electric field is defined as that of the electric force per unit of charge. The direction of the field is assumed to represent the direction of the force it would impose on a positive test charge. The electric field radiates outward from the a positive charge and inward from a negative point charge.

What are the characteristics of an electric field?

The field lines never cross. The field lines lie parallel to the charge's surface. The quantity of charge and indeed the number of field lines are proportionate.

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I understand that the question you are looking for is:

What is the direction of the electric field directly to the east of an isolated negative point charge?

A. north

B. south

C. east

D. West

ASAP PLEASE HELP IF RIGHT ANSWER WILL GIVE BRAINLIEST, 15 POINTS, AND 5 STAR OVERALL!!!! IF WRONG ANSWER OR INVALID WILL REPORT, PLEASE, PLEASE, PLEASE!!

Answers

Answer:

y = - x + 8

Step-by-step explanation:

y = - x + 8

nth term for 6,21,46,81
can someone explain how to answer this type of quadratic sequence step by step please

Answers

A sequence of events or things is a number of events or things that come one after another in a particular order. The nth term of

for 6,21,46,81 is 5n²+1.

What is sequence?

A sequence of events or things is a number of events or things that come one after another in a particular order.

Write down the nth term of this quadratic number sequence.

6,21,46,81...

number sequence has nth term = an² + bn + c.

Confirm the sequence is quadratic. This is done by finding the second difference.

Sequence =6,21,46,81

1st difference = 15,25,35

2nd difference = 10,10

If you divide the second difference by 2, you will get the value of a.

10/2=5

So the first term of the nth term is 5n².

ext, substitute the number 1 to 4 into 5n².

n=1,2,3,4

5n²=5,20,45,80

Now, take these values (5n²) from the numbers in the original number sequence and work out the nth term of these numbers that form a linear sequence.

5n²+1=6,21,46,81.

Therefore nth term for 6,21,46,81 is 5n²+1.

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Use double-angle identities to write each expression, using trigonometric functions of θ instead of 4 θ.
cos 4θ

Answers

Answer:

cos4θ=8cos^4θ−8cos^2θ+1

Step-by-step explanation:


Let f(x)=x-4 and g(x)=x²-16 . Perform each function operation and then find the domain. g(x)-f(x)

Answers

The domain for g (x) - f (x) = x² - x - 12 will be all real numbers when f (x) = x - 4 and g (x) = x² - 16.

We are given the two functions as:

f (x) = x - 4

g (x) = x² - 16

Now, first, we need to subtract f (x) from g (x).

So, we get that:

g (x) - f (x) = x² - 16 - (x - 4)

g (x) - f (x) = x² - 16 - x + 4

g (x) - f (x) = x² - x - 12

Now, the domain of the function will be all real numbers as it will be defined for all the real numbers.

Therefore, we get that the domain for g (x) - f (x) = x² - x - 12 will be all real numbers when f (x) = x - 4 and g (x) = x² - 16.

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Which multiple choice response is true?
O Decreasing on (-*, 0); increasing on (0, *)
O Increasing on (-x, ∞)
O , Increasing on (-*, 0); decreasing on (0, *)
O Decreasing on (-∞, ∞)

Answers

True response is that the function represented by the graph is Increasing on (-∞, 0) and decreasing on (0, ∞)

A function is said to be increasing in its domains if the value of its range is increasing in that domain.

Similarly, if the function is decreasing in its domain then it's range must be decreasing with the domain.

When the value of x(domain) is increasing on the left side. The value of y(range) is increasing constantly. But when the value of x increases further after 0, then the value of y is decreasing constantly.

So we can say, the following function represented on the graph is increasing in the interval of ( -∞,0) and decreasing in (0,∞).

As per the situation described in the graph the option third which say increasing on (×,0) and decreasing on (0,×).

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Age
Pete is ten years older than his brother Jeff.
In five years, Pete will be twice as old as
Jeff. How old will Pete be in five years.

Answers

Answer:

20 years

Step-by-step explanation:

jeff's age = x

pete's age = x+10

in 5 years time

2(x+5) = x+10+5

thus x=5 therefore

pete's age in 5 years will be 20

x = 4, work out the value of 2x² + 7​

Answers

Answer:

39

Step-by-step explanation:

2×4²+7
2×16+7

32+7=39

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f(x)=b x and g(x)=logbx are inverse functions. Explain why each of the following is true.
c. The inverse of f₁(x)=b x-h is not equivalent to a vertical stretch or compression of g .

Answers

The inverse of f₁(x)=b^(x-h) is not equal to a vertical stretch or compression of g: TRUE

What accurately do we mean by Logarithmic Functions?The logarithmic function is the inverse of the exponential function.A logarithm to the base b is the power to which b must be increased in order to obtain a specific number.For example, log28 is the power to which 2 must be raised to generate eight. Clearly, 23 = 8, so log28=3.

So,

Given inverse function: f₁(x)=b^(x-h)

First, find out the inverse of this function.

So, let f₁(x) = yThen, y=b^(x-h)

Switch the variables x & y as follows;

x=b^(y-h)

Solve for y as shown below and take logarithm both sides:

log(x) = (y-h)log(b)y=h+ log(x)/log(b)

So,

f₁^(-1)(x)= h+log(x)/log(b)f₁^(-1)(x)= h+logb(x)f₁^(-1) (x)= g(x)+h

From the first equation we get the inverse of as f₁ follows:

f₁^(-1) (x)= g(x)+h

Therefore, the statement "the inverse of f₁(x)=b^(x-h) is not equal to a vertical stretch or compression of g" is TRUE.

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The Leapin Lizards Center sells entrance tickets for $10.00 per child on Saturday nights. At capacity, the center can only hold 50 children during the 5:00-6:00pm time slot. The function L(c)=10c represents the amount of money Leapin Lizards makes on Saturday nights during the time slot.

Which statement best represents the range of the function in this context?

Answers

The statement that best represents the range of the function in this context is 0 <= L(c) <= 500

What is the range of a function?

The range of a function is the set of output values of the graph.

This in other words mean the range of a function is the set of y values of the graph.

How to determine which statement best represents the range of the function in this context?

The function is given as

L(c) = 10c

From the question, we understand that:

Maximum number of children = 50

This means that

c =50

So, we have

L(50) = 10 * 50

Evaluate

L(50) = 500

Hence, the statement that best represents the range of the function in this context is 0 <= L(c) <= 500

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The table below shows the percentage of the U.S. labor force in unions for selected years between 1955 and 2005 .
Year
1955
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
%
33.2
31.4
28.4
27.3
25.5
21.9
18.0
16.1
14.9
13.5
12.5
b. Make a scatter plot of the data. Which kind of polynomial model seems to be most appropriate?
Error while snipping

Answers

Answer: 1955 and 2005 .

Year

1955

1960

1965

1970

1975

1980

1985

1990

1995

see if i help u now ?

Step-by-step explanation:


Two parallel lines are cut by a transversal as shown below.
Suppose m 7=148°. Find m1 and m 2 and m4

Answers

Answer:

m<1 = 148

m<4 = 32

Step-by-step explanation:

<1 and <7 are alternate exterior angles. By the Alternate Exterior Angle Theorem, <1 and <7 are congruent and therefore m<1 = m<7. So m<1 = 148 degrees.

<3 and <7 are corresponding angles. By the Corresponding Angles Postulate, <3 and <7 are congruent and therefore m<3 = m<7. So m<3 = 148 degrees. <3 and <4 form a linear pair, and by the Linear Pair Postulate, <3 and <4 are supplementary and therefore m<3 + m<4 = 180. So m<4 = 180 - m<3 = 180 - 148 = 32 degrees.

PLEASE HELP!!!!!

Yolanda is 4 years younger than 3 times her daughter's age. The sum of their ages is 88 What is Yolanda's daughter's age?

Answers

It is 25 or 25.3 repeated like 25.3333 on going


Carlos has 20 coins in his pocket. He has only quarters and dimes. The
number of quarters is 1 less than half the number of dimes. How many dimes
and quarters does Carlos have?

Answers

By resolution of systems of linear equations, Carlos has 6 quarters and 14 dimes in his pocket.

How many quarters and dimes does Carlos have in his pocket?

A dime is equivalent to 0.10 dollars and a quarter is equivalent to 0.05 dollars. In accordance with the statement, Carlos has 20 coins between dimes and quarters, whose algebraic equations are described below:

q + d = 20           (1)

q = 0.5 · d - 1      (2)

Where:

q - Number of quarters.d - Number of dimes.

By (2) in (1):

(0.5 · d - 1) + d = 20

1.5 · d - 1 = 20

1.5 · d = 21

d = 14

By (2):

q = 0.5 · d - 1

q = 0.5 · 14 - 1

q = 7 - 1

q = 6

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I need help with this!!

Answers

Answer:

m<1=159 degree

m<2=21 degree

m<4=21 degree

find R=x^2/y when
y=3.8x10^5
x=5.9x10^4

Answers

The value of the expression R = x^2/y when y = 3.8 x 10^5 and x = 5.9 x 10^4 is 9.2 x 10^3

How to evaluate the expression?

The expression is given as

R = x^2/y

Where

y = 3.8 x 10^5

x = 5.9 x 10^4

Substitute y = 3.8 x 10^5 and x = 5.9 x 10^4 in the equation R = x^2/y

So, we have

R = (5.9 x 10^4)^2/3.8 x 10^5

Evaluate the exponent

So, we have

R = 34.81 x 10^8/3.8 x 10^5

Evaluate the quotient

So, we have

R = 9.16052631579 x 10^3

Approximate the above expression

So, we have

R = 9.2 x 10^3

Hence, the value of the expression R = x^2/y when y = 3.8 x 10^5 and x = 5.9 x 10^4 is 9.2 x 10^3

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