Pittsburgh, Pennsylvania and State College, Pennsylvania are 9.8 inches apart on a map that has as inches equal to 15 miles.
a) Set up a proportion to show the relationship between the distance in miles and the size of the map
b) How far apart are the cities in real life?

Answers

Answer 1
Final answer:

We can set up and solve a proportion to determine the actual distance between two cities using a scale of distance on a map. The setup would be 1/15 = 9.8/x and by solving this proportion we find the two cities are 147 miles apart.

Explanation:

The topic at hand involves understanding a proportion, an important part of mathematical concepts. More specifically, we are dealing with a proportion that involves distances on a map and the equivalent distances in real life.

For part a) of your question, the proportion can be expressed as '1 inch on the map is to 15 miles in real life as 9.8 inches on the map is to x miles in real life'. In mathematical terms, this can be written as:

1/15 = 9.8/x

For part b) of your question, we can determine the actual distance between Pittsburgh, Pennsylvania and State College, Pennsylvania by solving the proportion for x:

To do this, you can cross multiply (1 * x = 15 * 9.8), getting you x = 147 miles. This means Pittsburgh and State College are 147 miles apart in real life.

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Answer 2
Final answer:

In mathematics, you can use proportions to solve map reading and scale problems. The relationship between the map distance and real distance is given as a proportion 1/15 = 9.8/x. Using cross-multiplication, we find that Pittsburgh and State College are 147 miles apart in real life.

Explanation:

The relationship between the distance on the map and the actual distance can be represented as a proportion. This is a Mathematical concept often used in map reading and scale problems.

Given in the problem, we know that 1 inch on the map is equivalent to 15 miles in real life. Thus, a) the proportion can be set up like this: 1/15 = 9.8/x. Here x represents the actual distance between Pittsburgh and State College in miles.

To find the actual distance (b), we cross-multiply and solve for x: x = 9.8 * 15, which equals 147 miles. Therefore, Pittsburgh and State College are 147 miles apart in real life.

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Related Questions

what is the value of x? enter your answer in the box.​

Answers

im pretty sure its 85

please correct me if im wrong!

Answer:

x = 4

Step-by-step explanation:

We require to find RT

Since ΔRST is right use the sine ratio to find RT

sin60° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{2\sqrt{3} }{RT}[/tex]

Multiply both sides by RT

RT × sin60° = 2[tex]\sqrt{3}[/tex] ( divide both sides by sin60° )

RT = [tex]\frac{2\sqrt{3} }{sin60}[/tex] = 4

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

Since ΔRTQ is right use the tangent ratio to find x

tan45° = [tex]\frac{RQ}{RT}[/tex] = [tex]\frac{x}{4}[/tex]

Multiply both sides by 4

4 × tan45° = x, hence

x = 4 × 1 = 4

That is x = 4

Find the soultion(s) to the system of equations. Select all that apply

Answers

Answer:

(0,-3)

(3,0)

Step-by-step explanation:

The solutions to the system of equations are where the two graphs cross

The first is at x=0 and y=-3

The second is at x=3 and y=0

1.) 2x + y = 3
2.) x - 2y = -1
If equation 1 is multiplied by 2 and then the equations are added, the result is

A.3x = 2
B.3x = 5
C.5x = 5

Answers

Answer: C is correct, 5x=5

Step-by-step explanation:

1. When equation 1 is multiplied by 2 it becomes 4x+2y=6

2. Now we have...

4x+2y=6 and x - 2y = -1

Add those together and you have your answer! 5x=5 (simplified is x=1)


You have $39 to spend at the music store. Each cassette tape costs $5 and each CD costs $11. Write a linear inequality that represents this situation. Let represent the number of tapes and the number of CDs.

Answers

Hello There!

My equation would be 5c + 11d <= 39

C represents cassete tape

D represents disk or the second letter of CD

To solve this I set tapes as X and CDs as Y and then multiplied each variable by the cost, respectively.

Next I set the inequality to be less than or equal to 39, because that is the amount of money you have.

Formula One race cars can reach speeds of approximately 100 meters per second. What is this speed in meters per minute?
O 0.6 meters per minute
O 1.5 meters per minute
O 600 meters per minute
O 6,000 meters per minute

Answers

Answer:

=6000 m/min

Step-by-step explanation:

There are 60 seconds in 1 minute.

The speed of the race car is 100 m/s. If it covers 100 m in one second,  then in one minute it will cover a longer distance calculated as follows.

100 m/s × 60 second/min = 6000 m/min

Answer: Last Option

6,000 meters per minute

Step-by-step explanation:

We know that 60 seconds is equal to one minute.

Then we use this data as a conversion factor.

The speed of the car is 100 meters per second, this is:

[tex]s = 100\ \frac{meters}{seconds}[/tex]

Now we multiply this amount by the conversion factor in the following way:

[tex]100\ \frac{meters}{second} * \frac{60\ second}{1\ minute}= 6000\ \frac{meters}{minute}[/tex]

The answer is:

6,000 meters per minute

find the cube root of 8x7x9x49x3

Answers

Answer:

=42

Step-by-step explanation:

The expression 8×7×9×49×3 can be written in its simplest factor form as follows.

8=2³

49=7²

9=3²

Thus the expression becomes:2³×7×3²×7²×3

Combine the indices to the same base.

2³×3³×7³

Finding the cube root involves dividing the index by three.

Thus ∛(2³×3³×7³)= 2×3×7

=42

write an equation in which the quadratic expression 2x^2-2x-13 equals 0
show the expression in factored form and explain what your solutions mean for the equation. SHOW UR WORK

Answers

Answer:

x = 3 and -2 are the two solutions.

Step-by-step explanation:

2x^2 -2x -12 = 0

First factor out a 2

2(x^2 - x - 6) = 0

2(x - 3)(x + 2) = 0

2 = 0 x - 3 = 0 x + 2 = 0

2 does not equal zero so this is an extraneous solution

x - 3 = 0 so x = 3

x + 2 = 0 so x = -2

Describe the graph of the function.
y =Square root of
x-1 + 4

Answers

Answer: Square root of x+3

Step-by-step explanation:

Insert the denominator to 3

ANSWER

The graph of the function starts from (1,4) and moves up right.

EXPLANATION

The given rational function is

[tex]y = \sqrt{x - 1} + 4[/tex]

The base of this function is

[tex]y = \sqrt{x} [/tex]

The -1 under radical sign means the graph of the base function is shifted 1 unit right.

The +4 shows that base function is shifted up by 4 units.

The graph of the function therefore starts from (1,4) and moves up right.

Sal is trying to determine which cell phone and service plan to buy for his mother. The first phone costs $100 and $55 per month for unlimited usage. The second phone costs $150 and $51 per month for unlimited usage. How many months will it take for the second phone to be less expensive than the first phone?

The inequality that will determine the number of months, x, that are required for the second phone to be less expensive is 100 + 55x > 150 + 51x100 + 55x < 150 + 51x100x+ 55 > 150x+ 51100x+ 55 < 150x+ 51.

The solution to the inequality is x > 2.4x < 2.4x < 12.5x > 12.5.

Sal’s mother would have to keep the second cell phone plan for at least 231213 months in order for it to be less expensive​

Answers

Answer:

a) The first inequality 100+55x>150+51x;

b) The last inequality x>12.5

c) 13 months

Step-by-step explanation:

a) Let x be the number of months.

1. The first phone costs $100 and $55 per month for unlimited usage, then for x months it will cost $55x and in total

$(100+55x)

2. The second phone costs $150 and $51 per month for unlimited usage, then for x months it will cost %51x and in total

$(150+51x)

3. If the second phone must be less expensive than the first phone, then

150+51x<100+55x

or

100+55x>150+51x

b) Solve this inequality:

55x-51x>150-100

4x>50

x>12.5

c) Sal's mother has to keep the second cell phone for at least 13 months (because x>12.5).

Answer:

Part 1:

The first phone costs $100 and $55 per month for unlimited usage.

Let f(x) be the cost of the first phone and x be the number of months.

Equation forms:

[tex]f(x)=55x+100[/tex]

The second phone costs $150 and $51 per month for unlimited usage.  

Let g(x) be the cost of the second phone and x be the number of months.

Equation forms:

[tex]g(x)=51x+150[/tex]

We have to find the inequality that will determine the number of months, x,  that are required for the second phone to be less expensive, it is given by:

[tex]g(x)<f(x)[/tex]

[tex]51x+150<55x+100[/tex]

Part 2:

The solution to the inequality is:  

[tex]51x+150<55x+100[/tex]

=> [tex]51x-55x<100-150[/tex]

=> [tex]-4x<-50[/tex]

=> [tex]-x<-12.5[/tex]

=> [tex]x>12.5[/tex]

Or rounding off to 13.

Part 3:

Sal’s mother would have to keep the second cell phone plan for at least 13 months in order for it to be less expensive.

ewrite the rational exponent as a radical by extending the properties of integer exponents. 2 to the 3 over 4 power, all over 2 to the 1 over 2 power

Answers

[tex]\bf ~\hspace{7em}\textit{rational exponents} \\\\ a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} ~\hspace{10em} a^{-\frac{ n}{ m}} \implies \cfrac{1}{a^{\frac{ n}{ m}}} \implies \cfrac{1}{\sqrt[ m]{a^ n}} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \cfrac{2^{\frac{3}{4}}}{2^{\frac{1}{2}}}\implies 2^{\frac{3}{4}}\cdot 2^{-\frac{1}{2}}\implies 2^{\frac{3}{4}-\frac{1}{2}}\implies 2^{\frac{3-2}{4}}\implies 2^{\frac{1}{4}}\implies \sqrt[4]{2^1}\implies \sqrt[4]{2}[/tex]

Elm Street is straight. Willard's house is at point H between the school at point S and
the mall at point M.
If SH = 3 miles and HM = 4.5 miles, what is the value of SM in miles?

Answers

Answer:

7.5 Miles.

Step-by-step explanation:

3 + 4.5 = 7.5 Miles.

What is the equation of the line that passes through (2, -7) and (-1, 2)?

Answers

Answer:

y = -3x - 1

Step-by-step explanation:

The slope intercept form of the equation of a line is:

y = mx + b

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

First, we find the slope of the line using the two given points.

m = slope = (y2 - y1)/(x2 - x1) = (2 - (-7))/(-1 - 2) = (2 + 7)/(-3) = 9/(-3) = -3

Now we plug in the slope we found into the equation above.

y = -3x + b

We need to find the value of b, the y-intercept. We use the coordinates of one of the given points for x and y, and we solve for b. Let's use point (2, -7), so x = 2, and y = -7.

y = -3x + b

-7 = -3(2) + b

-7 = -6 + b

Add 6 to both sides.

-1 = b

Now we plug in -1 for b.

y = -3x - 1

You have travelled 25 kilometres.

Your friend's map gives the scale as:

20cm:100km.
How many cm on the map have you travelled?

Answers

Answer:

5cm

Step-by-step explanation:

okay what you need to know is that:

1cm:5km

5km times 5 is the distance you traveled, 25km

1cm times 5 is 5

Don't get confused with 5km to 5.

It's totally different.

Using the map scale of 20cm to 100km, it is calculated that 25 kilometers in reality is represented by 5 centimeters on the map. This is determined by setting up a proportion between the distance on the map and the actual distance and solving for the unknown value.

To find out how many centimeters on the map represent 25 kilometers of actual distance, we use the map's scale. The scale given is 20cm:100km, which means that for every 20 centimeters on the map, the actual distance represented is 100 kilometers. To solve the problem, we need to set up a proportion.

First, convert the actual distance you want to find on the map from kilometers to centimeters using the scale. So, for every 100 kilometers, we have 20 centimeters on the map. Hence, for 1 kilometer, the distance on the map would be 20 cm divided by 100 km.

20 cm/100 km = X cm/25 km

To find the value of 'X', our unknown value which represents how far you've travelled on the map, we perform cross-multiplication.

100 km * X cm = 20 cm * 25 km

X = (20 cm * 25 km) / 100 km

X = 500 cm / 100

X = 5 cm

So, you have travelled 5 centimeters on the map.

A right cylinder has a radius of 3 and a height of 12. What is its surface area?

Answers

Answer:

Surface Area = 283

Step-by-step explanation:

Radius = 3

Height = 12

Formula for suface area is SA= 2πrh+2πr^2

let "r" be for radius

let "h" be for height

SA=2*π*3*12+2*π*3^2

SA=282.74

round to the nearest ones spot and that will make the surface area = 283

The surface area of a right cylinder with a radius of 3 and a height of 12 is calculated using the formula S = 2πr(h + r), resulting in S = 90π or approximately 282.6 square units.

The question is asking to calculate the surface area of a right cylinder with a known radius and height. The formula to find the surface area of a cylinder is S = 2πr(h + r), where r is the radius, and h is the height.

To calculate the surface area of the given cylinder with a radius of 3 and a height of 12, we plug in these values into the formula:

S = 2 × π × 3 × (12 + 3)

This simplifies to S = 2 × π × 3 × 15, which further simplifies to S = 2 × π × 45, and hence S = 90π. By multiplying this by the approximate value of π (3.14), we get S = 282.6 square units as the surface area of the cylinder.

The cross-sectional area (base area) of the cylinder is πr², which is the area of a circle with the same radius as the cylinder. The side surface area, which is the area of the rectangle that would be formed if you 'unrolled' the outer surface of the cylinder, is 2πrh. Adding two times the base area and the side surface area gives you the total surface area of the cylinder.

The functions fx) and g(x) are shown on the graph.
f(x) = x2
What is g(x)?

Answers

The  expression for g(x) is g(x) = x^3, a cubic function that passes through the origin and is slightly narrower than the graph of f(x) = x^2.

 Certainly! Let's walk through the step-by-step calculation to determine the expression for g(x) based on the given information.

Given Information:

f(x) = x^2 (quadratic function)

Coordinate marked for g(x) is (2, 8)

g(x) is a parabola slightly narrower than f(x)

The curve g(x) passes through the origin

Expression for g(x):

Since g(x) is a parabola, we consider it as g(x) = ax^2 initially.

The coordinate (2, 8) helps determine the value of a.

g(2) = a(2)^2 = 4a = 8

Solving for a, we get a = 2.

So, g(x) = 2x^2 is the initial expression.

Adjusting for Narrowness:

If g(x) is slightly narrower than f(x), we need to make it narrower than 2x^2.

To achieve this, we can use g(x) = x^3.

Verification:

Check the coordinate (2, 8) in g(x) = x^3:

g(2) = 2^3 = 8

The coordinate (2, 8) satisfies the expression.

There were 3,982 people at the soccer game on Thursday there were 1,886 more people at the soccer game on Saturday how many people in all attended both games

Answers

Answer:

9850

Step-by-step explanation:

3982 + 3982 + 1886 = 9850

Answer:

the answer to your question is 5 868

Find the distance between the given points.

W(0, 8) and X(0, 12)

Distance =

4
4√(13)
10

Answers

Answer:

The distance would be 4 units and you would go 4 to the right

I hope this helps :)

Step-by-step explanation:

Answer: First option

Step-by-step explanation:

The distance between two points is calculated using the following formula

[tex]d=\sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}[/tex]

In this case we have the following points

W(0, 8) and X(0, 12)

Therefore

[tex]x_1 = 0\\x_2 = 0\\y_1=8\\y_2=12[/tex]

[tex]d=\sqrt{(0-0)^2 +(12-8)^2}[/tex]

[tex]d=\sqrt{(12-8)^2}[/tex]

[tex]d=\sqrt{(4)^2}[/tex]

[tex]d=4[/tex]

If g(x) = 4(x - 2)2 - 4, complete the following statements.

The axis of symmetry of function f is x =
. The axis of symmetry of function g is x =

Answers

Answer:

x = 10

Step-by-step explanation:

Please, use " ^ " to denote exponentiation:    g(x) = 4(x - 2)^2 - 4

The vertex is located at (2, -4) which numbers come directly from the '2' in (x - 2) and the "-4" at the end of the equation.

Where is the function f(x) that you mentioned?

The axis of symmetry here is the vertical line that passes through the vertex.  Its equation is x = 10.

The axis of symmetry for the function g(x) is x = 2, determined by the standard form of a quadratic equation, which tells us the axis of symmetry is at x = h, where g(x) is in the form a(x - h)^2 + k.

The question asks for the axis of symmetry for function g(x) which is given as g(x) = 4(x - 2)2 - 4. The axis of symmetry for a parabolic function in the form f(x) = a(x - h)2 + k is given by x = h. Thus, in the function g(x), the axis of symmetry is x = 2. If f(x) was provided in a similar quadratic form, its axis of symmetry would similarly be derived from its formula. However, since f(x) was not given in the question, we can't determine its axis of symmetry.

Suppose f(x) = 8(8x – 7) + 8. Solve f(x) = 0 for x

Answers

Answer:

x=3/4

Step-by-step explanation:

0=8(8x-7)+8

0=64x-56+8

0=64x-48

48=64x

x=48/64

x=6/8

x=3/4

[tex]8(8x - 7) + 8=0\\64x-56=-8\\64x=48\\x=\dfrac{48}{64}=\dfrac{3}{4}[/tex]

3ln(2x) + 7 = 15. how do I do this

Answers

Answer:

Step-by-step explanation:

3 ln(2x) + 7 = 15            Subtract 7 from both sides

3 ln(2x)  = 15 - 7            Combine

3 ln(2x) = 8                    Divide by 3

  ln(2x) = 8/3                Do the division. Take the antilog of both sides.

e^ln(2x) = e^(8/3)

2x = 14.392                   Divide by 2

x = 14.392

x = 7. 196

 

Factor completely 9x2 + 9x -28

Answers

Answer:

Your answer is (3x - 4) (3x + 7)

Step-by-step explanation:

Hope my answer has helped you and if not i'm sorry.

PLEASE HELPPPP ME ASAP and here are the answer choices :>
27

33

60

93

Answers

Answer:

The answer is 60

Step-by-step explanation:

The answer is 60
Hope this helped

What is the surface area of the cube below?

Answers

Answer:

96 units squared

Step-by-step explanation:

Answer:

B. 96 Units^2.

Step-by-step explanation:

Got Correct On Assist.

Drag each description to the correct location on the table. Each description can be used more than once.
Classify each polynomial based on its degree and number of terms.

Answers

Answer:

-6 - x^5+3x^2 is cubic, and trinomial

5x^3 - 8x is cubic, and binomial

1/3x^4 is quartic, and monomial

6/7x + 1 is linear, and binomial

-0.7x^2 is quadratic, and monomial

Step-by-step explanation:

Monomial is 1 term

Binomial is 2 terms

Trinomial is 3 terms

- Exponents don't count as terms btw

Answer:

Step-by-step explanation:

Solve the system of equations. 3x+4y+3z=5, 2x+2y+3z=5 and 5x+6y+7z=7

Answers

3x + 4y + 3z = 5
2x + 2y + 3z = 5
5x + 6y + 7z = 7

<=> 3( 3x + 4y + 3z) = 5.3
6( 2x + 2y + 3z) = 5.6
2( 5x + 6y + 7z ) = 7.2

<=> 9x + 12y + 9z = 15 (1)
12x + 12y + 18z=30 (2)
10x + 12y + 14z = 14 (3)

<=> 3x +9z =15 [ (2) - (1) ]
2x + 4z = 16. [ (2) - (1) ]

<=> 2(3x +9z) = 15.2
3(2x + 4z) = 16.3

<=> 6x+ 18z = 30
6x + 12z = 48

<=> 6z = - 18 => z = -3 and 6x + 18z = 30 so x = [30 - 18.(-3) ] : 6 = 14
We have 2x + 2y + 3z =5 => 2.14 + 2y + 3.(-3) = 5 ==> y = -7

The answer is x = 14, y = -7, z = -3

To solve the given system of equations, one can utilize matrix operations, specifically finding the inverse of the coefficient matrix and multiplying it by the constants matrix to solve for the variables x, y, and z.

Solving a System of Equations

To solve the system of linear equations: 3x+4y+3z=5, 2x+2y+3z=5, and 5x+6y+7z=7, we can use methods such as substitution, elimination, or matrix operations. In this case, matrix operations may be more efficient for finding the values of x, y, and z.

Firstly, we must write the system of equations in matrix form (Ax = b), with A being the coefficient matrix, x the variable matrix, and b the constant terms matrix:

A =
| 3 4 3 |
| 2 2 3 |
| 5 6 7 |,
x =
| x |
| y |
| z |,
b =
| 5 |
| 5 |
| 7 |

Next, we find the inverse of matrix A, if it exists, and then multiply it by b to solve for x:

x = A-1 * b

Through matrix operations, we can find A-1. The existence of an inverse is dependent on the determinant of A not being zero. If the determinant is non-zero, the inverse can be used to compute the variables' values. Therefore, we proceed with calculating the determinant and, if possible, the inverse to solve for x, y, and z.

Finally, we multiply the inverse of A (if it exists) by b to get the values for x, y, and z. This involves algebraic steps and matrix multiplication. If any mistake is made, the process requires careful checking and rechecking.

Simplify the expression given below.x+2/4x²+5x+1*4x+1/x²-4

Answers

Answer:  [tex]\bold{\dfrac{1}{(x+1)(x-2)}}[/tex]

Step-by-step explanation:

[tex]\dfrac{x+2}{4x^2+5x+1}\times \dfrac{4x+1}{x^2-4}\\\\\\\text{Factor the quadratics:}\\\dfrac{x+2}{(4x+1)(x+1)}\times \dfrac{4x+1}{(x-2)(x+2)}\\\\\\\text{Simplify - cross out (4x+1) and (x+2):}\\\dfrac{1}{(x+1)(x-2)}[/tex]

Answer:

[tex]\frac{1}{x^2 - x - 2}[/tex]

Step-by-step explanation:

The given expression is

[tex]\frac{x+2}{4x^2+5x+1}\times \frac{4x+1}{x^2-4}[/tex]

Factorize the denominators.

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

[tex]\frac{x+2}{4x(x+1)+1(x+1)}\times \frac{4x+1}{(x-2)(x+2)}[/tex]             [tex][\because a^2-b^2=(a-b)(a+b)][/tex]

[tex]\frac{x+2}{(x+1)(4x+1)}\times \frac{4x+1}{(x-2)(x+2)}[/tex]

Cancel out common factors.

[tex]\frac{1}{(x+1)}\times \frac{1}{(x-2)}[/tex]

[tex]\frac{1}{(x+1)(x-2)}[/tex]

On further simplification we get

[tex]\frac{1}{x^2 - x - 2}[/tex]

Therefore, the simplified form of the given expression is [tex]\frac{1}{x^2 - x - 2}[/tex].

the radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14​

Answers

Answer:

V≈4188.79

Step-by-step explanation:

The formula of the volume of a sphere is V=4/3πr^3

A six sided number cube is rolled twice what is the probability that the first roll is an even number and the second roll is a number greater than 4

Answers

First roll: 3/6
Second roll:2/6

Probability that the first roll is an even number AND the second roll is a number greater than Four is

(3/6)*(2/6) = 6/36 or 1/6 or approx 0.167 or 16.7%

The probability that a first roll is an even number and a second role is a number greater than 4 when a six-sided number cube is rolled twice is 1/6.

What is the probability of an event?

The probability of an event is the fractional value determining how likely is that event to take place. If the event is denoted by A, the number of outcomes favoring the event A is n and the total number of outcomes is S, then the probability of the event A is given as:

P(A) = n/S.

What are independent events?

When the occurrence of one event, doesn't affect the occurrence of the other event, then the two events are independent of each other.

If we have two independent events A and B, then the probability of A and B is given as:

P(A and B) = P(A) * P(B).

How do we solve the given question?

We are informed that a six-sided number cube is rolled twice. We are asked what is the probability that a first roll is an even number and a second roll is a number greater than 4.

Let the event of getting an even number on a first roll be A.

∴Number of outcomes favorable to event A (n) = 3 {2, 4, 6}

Total number of outcomes (S) = 6 {1, 2, 3, 4, 5, 6}

∴ The probability of getting an even number on a first roll is:

P(A) = n/S = 3/6 = 1/2.

Let the event of getting a number greater than 4 on a second roll be B.

∴Number of outcomes favorable to event B (n) = 2 {5, 6}

Total number of outcomes (S) = 6 {1, 2, 3, 4, 5, 6}

∴ The probability of getting a number greater than 4 on a second roll is:

P(B) = n/S = 2/6 = 1/3.

∵ Our two events, A and B, are independent of each other, that is, the occurrence of one doesn't affect the occurrence of the other, the probability that a first roll is an even number and a second roll is a number greater than 4 is given by:

P(A and B) = P(A)*P(B) = (1/2)*(1/3) = 1/6.

∴ The probability that a first roll is an even number and a second role is a number greater than 4 when a six-sided number cube is rolled twice is 1/6.

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find the value of x from the equation

Answers

[tex]

\dfrac{8^{3x}}{2^{10}}=\dfrac{4^{2x}}{16} \\

\dfrac{2^{3(3x)}}{2^{10}}=\dfrac{4^{2x}}{4^2} \\

2^{9x-10}=4^{2x-2} \\

2^{9x-10}=2^{2(2x-2)} \\

2^{9x-10}=2^{4x-4} \\

9x-10=4x-4 \\

5x-6=0 \\

5x=6 \\

\boxed{x=\dfrac{6}{5}}

[/tex]

Hope this helps.

r3t40

2 cups is to 10 cans as 14 cups is to how many cans

Answers

Answer: 80 cans

Step-by-step explanation:

The ratio between cups to cans is 1:5

If we have 14 cups, multiply that by 5 and it is equal to 80 cans

[tex]14[/tex] cups is equals to [tex]70[/tex] number of cans.

What is number ?

" Number is defined as the count of any given quantity."

According to the question,

Given,

[tex]2[/tex] cups [tex]=[/tex] [tex]10[/tex] number of cans

[tex]1[/tex] cup [tex]= \frac{10}{2}[/tex] number of cans

Therefore,

[tex]14[/tex] cups [tex]= \frac{10}{2} \times 14[/tex] number of cans

            [tex]= 70[/tex] number of cans

Hence, [tex]14[/tex] cups is equals to [tex]70[/tex] number of cans.

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