PLEASE HELPO MEEEEEEE Choose ALL the real-world scenarios below that would represent the
expression 3.50x+15 A). Janice has $15.00 to go to the store. She buys
several packs of Pokemon cards that cost $3.50 each. How much money
does she have left over after she buys x packs? B). Barbara made $3.50
for every bracelet she sold. How much did she make after she sold 15
bracelets?C). Kyle starts with $15.00 and saves $3.50 each day. What
would be the total amount Kyle saves after x days? D). There are 15 more
days of soccer practice, if Coach Miles wants his team to run 3.50 miles
day, how many total miles will they run? E). Ryan bought a pair of jeans
that cost $15.00 and several t-shirts that cost $3.50 each. What was the
total cost of Ryan's purchase after he bought x t-shirts?
O A&C
O B&D
O C&E
O D&A
O E&B

Triangles

Looking at the image, It is safe to say there are two similar triangles having similar base and sides there.

Triangle BAC has the same base as Triangle DAC

Therefore, the vertices of the angle B is equivalent to the vertice of angle D

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The present ages of Raj and his daughter are respectively: 42 years and 12 years.

Present Age of Raj =y years

Present Age of daughter =x years

According to Question :

7 Years ago,

y − 7 = 7(x − 7)

⇒ 7x − y − 42 = 0.............(1)

And 3 Years from now

y + 3 = 3(x + 3)

⇒ 3x − y + 6 = 0............(2)

From eq (1) and eq (2)

Subtract eq 2 from eq 1 to get:

7x − 3x − y + y − 42 − 6 = 0

⇒ 4x = 48

⇒ x = 12

Putting x = 12 in Equation (2). we get,

(3 × 12) − y + 6 = 0

⇒ y = 42

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Answer:

I hope this helps you:)

Step-by-step explanation:

The value of the investment after the 5 years is,

FV ≅ $11,605

We have to given that,

$10,000 is invested at an interest rate of 3% per year, compounded semiannually.

Since, We know that,

The equation for Future Value with compound interest is:

FV = \(P (1 + \frac{r}{n} )^{nt}\)

Where, where:

FV = future value

P = principal (that is, the original investment, = $10,000

r = annual interest rate (3% = 0.03)

n = frequency of compounding per year (in this case, each 6 months = 2 times per year)

t = number of years = 5

Substitute all the values, we get;

FV = 10,000 (1 + 0.3/2)¹⁰

FV = $10,000 · (1.015)¹⁰

so, FV = $10,000 × 1.605

FV ≅ $11,605

Thus, The value of the investment after the 5 years is,

FV ≅ $11,605

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Based on the computed 95% confidence interval, we can conclude that we are 95% confident that the true population mean falls within the range of 12.65 to 25.65.

A confidence interval is a range of values that provides an estimate of the true population parameter. In this case, we are interested in estimating the population mean (μ). The 95% confidence interval, as mentioned, is given as 12.65 ≤ μ ≤ 25.65.

Interpreting this confidence interval, we can say that if we were to repeat the sampling process many times and construct 95% confidence intervals from each sample, approximately 95% of those intervals would contain the true population mean.

The confidence level chosen, 95%, represents the probability that the interval captures the true population mean. It is a measure of the confidence or certainty we have in the estimation. However, it does not guarantee that a specific interval from a particular sample contains the true population mean.

Therefore, based on the computed 95% confidence interval, we can conclude that we are 95% confident that the true population mean falls within the range of 12.65 to 25.65.

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Answer:

45min

Step-by-step explanation:

just mutiply

Answer:

83min

Step-by-step explanation:

can i have it im trying to get a new role

a. Dilation of 2nd equation by a factor of 12

b. The systems have the same solution, as dilations do not affect overall coordinates, changing side lengths but not angles

Answer:divideing by the whole number

Step-by-step explanation:

Answer:

(x - 9)(x - 9)

Step-by-step explanation:

Hey there!

Well to factor,

x^2-18x+81

we need to figure out what times what equal 81 and adds together to get -18.

-9*-9 = 81

-9 + -9 = -18

x*x = x^2

Factored - (x - 9)(x - 9)

Hope this helps :)

Answer:

  (c)  pr +ps +qr +qs

Step-by-step explanation:

You want to identify an expression that can be factored by grouping.

This method of factoring involves grouping terms that have a common factor, then factoring that out. If the entire expression can be factored by grouping, then the result of this first round of factoring is expressions that also have a common factor.

One expression that can be factored by grouping is ...

  pr +ps +qr +qs

  = p(r +s) +q(r +s) . . . . . . . each pair of terms is factored

Now we notice that the factor (r+s) is common to both terms, so we can factor this further:

  = (p +q)(r +s)

The expression that can be factored by grouping is ...

  pr +ps +qr +qs . . . . choice C

<95141404393>

Answer:

\(14^{2}\)

Step-by-step explanation:

14*14

14 is the base.  We are multiplying 14 two times.  Two would be the exponent

14 ^2

Answer:

− 21  x  +  25 /30

Step-by-step explanation:

The mathematical measure of standard deviation is essential for risk managers as it helps quantify the dispersion or variability of data, enabling them to assess and manage potential risks effectively.

Standard deviation is a statistical tool used to measure the amount of variation or dispersion in a set of data points. In the context of risk management, standard deviation provides a measure of how much an investment's returns deviate from its average return. This information is crucial for risk managers as it helps them assess the volatility and uncertainty associated with an investment or portfolio.

By analyzing the standard deviation, risk managers can gain insights into the potential risks and fluctuations in returns, allowing them to make informed decisions regarding asset allocation, risk tolerance, and hedging strategies. Furthermore, standard deviation enables risk managers to compare and evaluate different investments based on their level of risk, supporting the process of portfolio diversification and risk mitigation.

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Answer:

x= 6

Step-by-step explanation:

3(x + 4) = 2x + 4x - 6

3x + 12 = 2x + 4x - 6

3x + 12 = 6x - 6

-3x = -18

x= 6

hope it helps

if it helps you, pls give me the brainliest.

Answer:

x = 6

Step-by-step explanation:

3(x + 4) = 2x + 4x - 6

~Distribute the left side

3x + 12 = 2x + 4x - 6

~Combine like terms on the right side

3x + 12 = 6x - 6

~Subtract 12 to both sides

3x = 6x - 18

~Subtract 6x to both sides

-3x = -18

~Divide -3 to both sides

x = 6

Best of Luck!

Answer:

$600 after 8 weeks ($400) plus the $200

Answer:

600

Step-by-step explanation:

50x8=400

200+400=600

The directed graph of a relation r on a finite set a be used to R not equal to ∅ and it is reflexive, symmetric, transitive, anti symmetric, then the R is equivalence relation and an order relation.

Let the relation R R R be asymmetric. A loop in the directed graph corresponds to an ordered pair of the form ( a , a ) (a , a) (a , a). By the definition of asymmetric, the relation R R R cannot contains any ordered pairs of the form ( a , a ) (a , a) (a , a) and thus the directed graph cannot contain any loops.

They are typically represented by labeled points or small circles. We connect vertex a to vertex b with an arrow, called an edge, going from vertex a to vertex b if and only if arb. This type of graph of a relation r is called a directed graph or digraph .

It is a set where either there are many components or only the beginning or ending are provided. By n(A), we refer to the total number of components, and if n(A) is a characteristic number, then the set is constrained.

Let A be finite non-empty set.

Then the exist relation R on A which is both equivalence and order relation.

Suppose A = {\(a_{1} , a_{2} , a_{3} , ...... a_{n} ,\)}

And, R = { \((a_{1} ,a_{1}) , (a_{2} ,a_{2} ) ,(a_{3} ,a_{3} )........(a_{n} ,a_{n} )\) }    

R not equal to ∅ and it is reflexive, symmetric, transitive, anti symmetric.

Then R is equivalence relation and an order relation.

Therefore,

The directed graph of a relation r on a finite set a be used to R not equal to ∅ and it is reflexive, symmetric, transitive, anti symmetric, then the R is equivalence relation and an order relation.

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Well, umm i am a first grader so... are u in like 5th grade?????!!!!

Step-by-step explanation:

TELL ME WHAT IT"S LIKE!!!

a) Contribution (objective value) = $132.14

b) The firm earns $132.14 at the optimal solution.

c) An additional hour of time available for the third machine is worth $0.14 to the firm.

d) An additional 5 hours of time available for the second machine will increase the objective value by $3.69.

The best result obtained from using computer software to solve the LP problem is: X1 = 11.43, X2 = 12.86, X3 = 5.71

b) The number of unused hours at the ideal solution is:

Machine 1 still has 8.57 hours of time left.

There are no hours left on Machine 2 at the moment.

There are still 94.29 hours left on Machine 3.

c) The shadow price of the third limitation is worth an extra hour of time available for the third machine. With the exception of increasing the right-hand side of the third constraint by one unit, we can solve the LP problem using the same constraints to determine the shadow price. Using LP to solve this issue, we discover that the shadow price for the third constraint is

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Answer:

(6, 2)

Step-by-step explanation:

I did this over 10 times it's so easy it is like a breeze

Answer:(-2,5)

Step-by-step explanation:

The value of x in the heptagon shown in the diagram is: 110°.

A heptagon can be described as a polygon that has 7 sides and 7 interior angles. Where n is the number of sides of an n-sided polygon, the formula for finding the total sum of the polygon is:

(n - 2)180.

Therefore, the sum of the interior angles of the heptagon = (5 - 2)180 = 900°.

This means that all the angles in the heptagon shown in the diagram would be equal to 900°. Therefore:

135 + 125 + 105 + 140 + 135 + 150 + x = 900

790 + x = 900

x = 900 - 790

x = 110°.

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Answer:

40 is the answer I also got 40

Answer:

x=1, x=2, x=3, x=4, x=5

Step-by-step explanation:

set each expression in the parenthesis equal to 0 to solve for the roots

Answer:

Step-by-step explanation:

25

=

a

b

−

2

10

=

a

b

1

Answer:

Perimeter of the hexagon = 90 Unit

Step-by-step explanation:

Given:

A(-12, -8). B(-12, 7), C(0, 16), D(12,7), E(12, -8), F(0, -17)

Find:

Perimeter of the hexagon

Computation:

Length = √(x1 - x2)² + (y1 - y2)²

AB = √(-12 + 12)² + (-8 - 7)²

AB = 15

BC = √(-12 + 0)² + (7 - 16)²

BC = 15

CD = √(0 - 12)² + (16 - 7)²

CD = 15

DE = √(12 - 12)² + (-7 - 8)²

DE = 15

EF = √(12 - 0)² + (-8 + 17)²

EF = 15

FA = √(0 + 12)² + (-17 + 8)²

FA = 15

Perimeter of the hexagon = AB + BC + CD  + DE + EF + FA

Perimeter of the hexagon = 15 + 15 + 15 + 15 + 15 + 15

Perimeter of the hexagon = 90 Unit

Based on this evaluation, the correct answer is:

d. "false : 14 is 104"

The value of 's' after the given statement can be determined by evaluating each part of the expression step by step:

1. Evaluate (!true): Since 'true' is negated using the '!' operator, this expression becomes 'false'.

2. Concatenate " : " to "false": The resulting string also becomes "false : ".

3. Calculate (10 + 4): This arithmetic expression is equals to  14.

4. Concatenate "14" to "false : ": The resulting string becomes equal to "false : 14".

5. Finally, concatenate " is 104" to "false : 14": The final value of 's' becomes "false : 14 is 104".

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Answer: You need to stack 6 blocks to build the block tower.

Step-by-step explanation:

Hi, to answer this question we simply have to divide the tower's height (7 1/2) by the side length of the cubes (1 1/4).

Mathematically speaking:

7 1/2 ÷1 1/4 = (7x2+1) /2 ÷ (1x4+1)/4 = 15/2 ÷ 5/4 = (15x4) / (2x5) = 60/10 =6 cubes

You need to stack 6 blocks to build the block tower.

Feel free to ask for more if needed or if you did not understand something.

The statement is false. The existence of a scalar α such that αv is an eigenvector of a does not imply that v itself is an eigenvector of a.

A group of numbers built up in a rectangular array with rows and columns. The elements, or entries, of the matrix are the integers. In addition to numerous mathematical disciplines, matrices find extensive use in the fields of engineering, physics, economics, and statistics.

The statement is false. An eigenvector is a non-zero vector that, when multiplied by a matrix, produces a scalar multiple of itself. In other words, if v is an eigenvector of a matrix A, then Av = λv, where λ is the corresponding eigenvalue.

The statement suggests that if a is an nn matrix (presumably an n x n matrix), and a scalar α exists such that αv is an eigenvector of a, then v must also be an eigenvector of a. However, this is not necessarily true.

Let's consider a counterexample to demonstrate this. Suppose we have the 2x2 identity matrix I:

I = [[1, 0],

    [0, 1]]

In this case, any non-zero vector v will satisfy the condition αv = v for α = 1. However, not all non-zero vectors v are eigenvectors of I. In fact, the only eigenvectors of I are [1, 0] and [0, 1] with corresponding eigenvalues of 1.

Therefore, the statement is false. The existence of a scalar α such that αv is an eigenvector of a does not imply that v itself is an eigenvector of a.

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Answer:

A number that is less than zero

Step-by-step explanation:

-13, -56