Is 3(b+c) equivalent expressions?

A. True

B. False

The cost of admission for a group of 4 people is $160

From the question, we have the following parameters that can be used in our computation:

C = 40 p

Where p is the number of people

For a group of 4 people, we have

p = 4

Substitute p = 4 in the equation C = 40 p

So, we have the following representation

C(4) = 40 * 4

Evaluate the products

C(4) = 160

hence, the cost is $160

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The inverse function of the function f(x) = log₂(3x + 4) − 5 is y = [2^(x + 5) - 4]/3

From the question, we have the following equation that can be used in our computation:

f(x) = log2(3x + 4) − 5.

Rewrite as

f(x) = log₂(3x + 4) − 5.

Express f(x) as y

This gives

y = log₂(3x + 4) − 5.

Swap the positions of x and y

So, we have the following representation

x = log₂(3y + 4) − 5.

Add 5 to both sides

log₂(3y + 4) = x + 5

So, we have

3y + 4 = 2^(x + 5)

Subtract 4 from both sides

3y = 2^(x + 5) - 4

Divide b y3

y = [2^(x + 5) - 4]/3

Hence, the inverse function is y = [2^(x + 5) - 4]/3

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The value of the expression f(x) + g(x) - h(x) will be 2x² + 7x + 2. Then the correct option is B.

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

The functions are given below.

f(x) = 3x² + 5

g(x) = 4x - 2

h(x) = x² - 3x + 1

The expression is given as,

⇒ f(x) + g(x) - h(x)

⇒ (3x² + 5) + (4x - 2) - (x² - 3x + 1)

⇒ 3x² + 5 + 4x - 2 - x² + 3x - 1

⇒ 2x² + 7x + 2

The value of the expression f(x) + g(x) - h(x) will be 2x² + 7x + 2. Then the correct option is B.

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The values are satisfied by

X  -5    -4    -3    -2    -1      

Y -5     -3     -1      1     3

Given data :

Y= 2X +5

let us put the value for X

X= 0

Y = 5

and, X=1

Y = 2 + 5 = 7

and, X= 2

Y= 4 + 5 = 9

and, X=3

Y = 6 + 5 = 11

and, X= 5

Y = 10 + 5= 15

and, X= -1

Y= -2 + 5 = 3

Hence, these values are satisfied by

x      y

-5    -5

-4    -3

-3    -1

-2     1

-1      3

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Answer: 55000 grams

Step-by-step explanation:

The length of diameter of the base of the cone will be 112 cm.

A mathematical expression with an equals sign is referred to as an equation. Algebra is widely used in equations. When performing calculations but unsure of the precise amount, algebra is used.

A formula that expresses the connection between two expressions on each side of a sign. Typically, it has a single variable and an equal sign.

Equations are mathematical expressions with two algebras flanking the equal (=) sign on either side. This relationship is illustrated by the left and right expressions being equal to one another. Left-hand side equals right-hand side is a basic, straightforward equation.

By using Pythagoras's theorem,

106² = 90² + r²

simplifying the above equation, we get

r² = 106² - 90²

r = √3136

radius = 56 cm.

Then, the diameter will be,

Diameter = 2 × radius

substitute the values in the above equation,

D = 2(56)

D = 112 cm.

Therefore, the correct answer is option b. 112 cm.

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The number of Jim's model car is 48

From the question, we have the following parameters that can be used in our computation:

Ratio of the number of model cars that Jim owns to the number of model cars Terrence owns is 8 : 6

This means that

Jim : Terrence = 8 : 6

Also from the question, we have

Terrence owns 36 models cars

This means that

Terrence = 36

Substitute the known values in the above equation, so, we have the following representation

Jim : 36 = 8 : 6

Multiply by 6

Jim : 36 = 48 : 36

So, we have

Jim = 48

Hence, the number of car is 48

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9/10 is the possible outcome that has a number less than 3 or an A.

What is probability?

The proportion of possible outcomes to outcomes in an exhaustive set of equally likely alternatives that result in a certain event.

Here, we have

A spinner is divided into five equal sections labeled 1, 2, 3, 4, and 5. Another spinner is divided into two equal sections labeled A and B.

We have to find how many of the possible outcomes have a number less than 3 or an A.

Denote A the first event and B the second event:

P(A∪B) = P(A) + P(B)

A = Get a number less than 3

P(A) = 2/5

B = Get section A

P(B) = 1/2

Then,

P(A∪B) = 2/5 + 1/2

P(A∪B) = 9/10

Hence, 9/10 is the possible outcome that has a number less than 3 or an A.

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Cos W as a fraction in the simplest terms is 2/3  

Triangle side length ratios are known as trigonometric ratios. In trigonometry, these ratios show how the ratio of a right triangle's sides to each angle.

From a Right-angled triangle with an angle θ

sin θ = Opposite side/Hypotenuse

cos θ = Adjacent side/Hypotenuse

tan θ = Opposite side /Adjacent side

Here we have

A triangle UVW

where VW = 10 units

And WU = 15 units

As we know

cos θ = Adjacent side / Hypotenuse  

cos W = VW/WU = 10/15

cos W = 2/3    [ divided by 5 ]  

Therefore,

Cos W as a fraction in the simplest terms is 2/3  

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The value of the decrease percentage of elephant weight is 15%.

A percentage is a value that indicates 100th part of any quantity. A percentage can be converted into a fraction or a decimal by dividing it by 100.

The original weight of elephant is 14000 pounds.

And, the drop in weight is 2100 pounds.

Now, the percent value of the drop in weight is calculated as follows

Percent drop = Drop in weight / Original weight × 100

⇒ 2100/14000 × 100

⇒ 15%

Hence, the percent of decrease in weight is given as 15%.

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Answer:

A.) y=6x+2

Step-by-step explanation:

I got this answer by first finding the slope. To find the slope you use the slope formula which is y2-y1 over x2-x1. When I set up the equation I got -10-26 over -2-4 and I got -36/-6 which is 6. So your slope is 6. So then you would mark out answer c and d because their slope is negative and the slope I got is positive. To find the y-int I put in two points online and I put in the slope. I did this twice with four different points just to make sure that it was right and then it gave me that the y-int is 2. So then you would mark out b because the y-int is not negative but positive. (Hope this helps in some way...if not then I'm sorry..)

The surface area increases when the radius of the sphere is 160π cm^2/s

Given that dt/dr =10 cm/s and r=15 cm

Find out dt/ds=?

We know that the surface area of sphere S=4πr^2

dt/ds=4π(2r)

dt/dr=8π(2)(10)

=160π cm^2/s.

Let r, V, and S be respectively the radius, volume, and surface area of the spherical balloon at time t.

∴V=4/3 πr^3 and S=4πr^2

Rate of change of surface area with respect to t

⇒ dt/dS=2

⇒ d/dt=(4πr^2)=2

⇒8πr dt/dr =24

⇒ dr/dt=1/4πr.... (i)

Rate of change of volume of the balloon with respect to t

=dV/dt

=d/dt(4/3πr^3)

= 4/3π⋅3r^2dr/dt

​=4πr ^2⋅ dr/dt

=4πr^2.1/4πr ....[From (i)]

r=10

Hence, the volume of the spherical balloon is increasing at the rate of 10cm^3/sec.

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The Alternative form of the ''(2x4-2x³ +7+ 8x²-x) / (x²+2)''

is 2[tex]x^{2}[/tex] - 2x + 4 + [tex]\frac{3x - 1}{x^{2} + 2}[/tex]

Find the attachment answer

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95% confident the population mean is between (9.1,9.9).

We are given the following data set:

9.3, 9.7, 9.2, 9.7

What is Standard Deviation?

Standard Deviation [tex]$=\sqrt{\frac{\sum\left(x_i-\bar{x}\right)^2}{n-1}}$[/tex]

where[tex]$x_i$[/tex] are data points, [tex]$\bar{x}$[/tex]is the mean and [tex]$\mathrm{n}$[/tex] is the number of observations.

Mean [tex]$=\frac{\text { Sum of all observations }}{\text { Total number of observation }}$[/tex]

Mean [tex]$=\frac{37.9}{4}=9.475$[/tex]

Sum of squares of differences [tex]$=0.2075$[/tex]

S.D[tex]$=\sqrt{\frac{0.2075}{3}}=0.262$[/tex]

[tex]$95 \%$[/tex] Confidence interval:

[tex]$\bar{x} \pm t_{\text {critical }} \frac{s}{\sqrt{n}}$[/tex]

Putting the values, we get,

[tex]$t_{\text {critical }}$[/tex] at degree of freedom 3 and[tex]$\alpha_{0.05}=\pm 3.182$[/tex]

[tex]$9.475 \pm 3.182\left(\frac{0.262}{\sqrt{4}}\right)=9.475 \pm 0.416842=(9.058158,9.891842) \approx(9.1,9.9)$[/tex]

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With the decimal point in the proper place, dividing decimals is equivalent to dividing entire numbers.

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Answer:

9 ( x + 9 )

Step-by-step explanation:

81 = 9 × 9

9x = 9 × x

9x + 81 = 9 ( x + 9 )

slope -20/-8

line y = -5/2x - 3/2

it is NOT proportional because it doesnt pass thru 0,0

25x¹⁰/y⁶ is equivalent to expression to (5x⁻⁵ y³)⁻².

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles. Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.

Given

Expression

(5x⁻⁵ y³)⁻²

25x¹⁰ y⁻⁶

25x¹⁰/y⁶

25x¹⁰/y⁶ is equivalent to expression to (5x⁻⁵ y³)⁻².

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Answer:

x = 44

Step-by-step explanation:

Given that line m is parallel to line n, the angles that we see are same-side exterior angles, meaning that these two angles add up to 180°.

Set up the equation: [tex]112 + (2x - 20) = 180[/tex] and solve for x.

. . . . . . . . . . . . 112 - 112 + 2x - 20 = 180 - 112

. . . . . . . . . . . . 2x - 20 + 20 = 68 +20

. . . . . . . . . . . . 2x /2 = 88 /2

. . . . . . . . . . . .  ∴ x = 44

The correct answer is m√5 + m√2 = 180°.

Parallel lines are those in a plane that are regularly spaced apart from one another. There is no crossing of parallel lines.

Given, k and p are parallel lines.

In an expression or equation, one value can be substituted for another and the result will still be the same. This is known as the substitution property of equality. If the values of x and y are the same, then x and y can be substituted for one another.

And we have,

m√1 + m√2 = 180°

And  m√5 =  m√1

So,  m√5 + m√2 = 180°

Therefore, in the proof, the missing term is  m√5 + m√2 = 180°.

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A right Riemann sum has the formula  A=∑ni=1Δxf(xi) A = ∑ i = 1 n Δ x f ( x i ) where x is the width of each of the n rectangles and f(xi) is the height.

A specific method of approximating an integral with a finite sum in mathematics is known as a Riemann sum. Riemann is the name of a German mathematician who lived in the 19th century. Approximating the area of functions or lines in graphs, as well as the length of curves and other approximations, is a highly typical application. The picked points in each subinterval of the partition are all in the upper Riemann sum, given an interval partition. The interval is often separated into subintervals of equal size.

Riemann sum formula is A=∑f(xi)Δx A = ∑ f ( x i ) Δ x ,

where A is the curve's area under the evaluable interval,

f(xi) f ( x i ) is each rectangle's height (or the average of the two heights in the case of a trapezoid)

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To find the distance that Jacob's truck skids before coming to a stop, we can use the formula for the distance traveled while braking, which is:

distance = initial velocity^2 / (2 * coefficient of friction * acceleration due to gravity)

In this case, the initial velocity is 9.5 m/s, the coefficient of friction is 0.847, and the acceleration due to gravity is 9.8 m/s^2. Plugging these values into the formula, we get:

distance = (9.5 m/s)^2 / (2 * 0.847 * 9.8 m/s^2)

Solving for distance, we get:

distance = 8.76 meters

Therefore, Jacob's truck will skid a distance of 8.76 meters before coming to a stop.

324 Miles

If you divide 189 by 7, you get 27. If you then multiply 27(miles per hour) by 12(hours) you get 324.

Answer:

1. range = {-8,-6,0,8}

2. My graph is attached to this response as a photo.

Step-by-step explanation:

1. ⭐What is the "domain" of a function?

⭐What is the "range" of a function?

⭐What is the "set notation"?

Therefore, we have to find the corresponding y-values for the given x-values, and then write said y-values in set notation.

To find the corresponding y-values for the given x-values, substitute each given x-value into g(x) and solve for g(x).

✦ When x = -3

[tex]g(x) = 2x-2[/tex]

[tex]g(-3) = 2(-3) -2[/tex]

[tex]g(-3) = -6 -2[/tex]

[tex]g(x) = -8[/tex]

✧ y = -8

________________________________________________________

✦ When x = -2

[tex]g(-2) = 2(-2) -2[/tex]

[tex]g(-2) = -4-2[/tex]

[tex]g(-2) = -6[/tex]

✧ y = -6

________________________________________________________

✦ When x = 1

[tex]g(1) = 2(1) -2[/tex]

[tex]g(1) = 2-2[/tex]

[tex]g(1) = 0[/tex]

✧ y = 0

________________________________________________________

✦ When x = 5

[tex]g(5) = 2(5) -2[/tex]

[tex]g(5) = 10 -2[/tex]

[tex]g(5) = 8[/tex]

✧ y = 8

________________________________________________________

Next, we have to write the y-values in set notation. Make sure to write it from least to greatest.

range = {-8, -6, 0, 8}

The length of diameter of the base of the cone will be 112 cm. Hence, option b is correct.

Given data :

As per the given information in the question,

Use the equation of Pythagoras's theorem,

106² = 90² + r²

r² = 106² - 90²

r = √3136

r = 56 cm.

Then, the diameter will be,

D = 2r

D = 2(56)

D = 112 cm.

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The slope of a line that is perpendicular to the x-axis is undefined, so we cannot use the standard form of the equation of a line, y = mx + b, where m is the slope of the line. Instead, we can use the point-slope form of the equation of a line, which is given by y - y1 = m(x - x1). In this case, m is undefined, so we can simplify the equation to y = x1 - y1, where x1 and y1 are the coordinates of the point that the line passes through. In our case, this gives us the following equation:

y = 6 - (-2)

 = 8

Therefore, the equation of the line that is perpendicular to the x-axis and passes through the point (6,-2) is y = 8.

We got the mean value 4.167 and standard deviation 19.56.

In statistics, a mean value is the average value of all the available data. And it can be determined by adding all the data by dividing the amount of data.

A standard deviation is an estimation that implies how far each available data apart from the mean value.

we are given, 4% of the population has a genetic mutation

Total people in the group =600

Now, total number of people who have genetic mutation = (4/100) ×600

                                                                                              = 24

the number of randomly selected people =100= X

Mean = Number of selected people/ people who have mutation

  Mean = X/n = 100/24 = 4.167

the standard deviation = √∑(X-mean) ²/n

                                       = √∑(selected people - mean) ²/ mutation number

                                    =√(100-4.167) ²/24

            standard deviation = 19.56

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