Can you help me please its urgent!

Answer:

Hoped this helped.

\(BrainiacUser\)

We may state that the slope of the function y = 5x + 4 is hence 5.

A function in mathematics is a relationship between two sets of numbers in which each member in the first set (known as the domain) corresponds to a unique element in the second set (called the range). A function, in other words, takes inputs from one set and creates outputs from another. The variable x is frequently used to represent the inputs, and the variable y is used to represent the outputs. An equation or a graph can be used to describe a function. For example, the equation y = 2x + 1 depicts a linear function in which each value of x gives a unique value of y.

y = 5x + 4 is the given function.

This is written in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.

When we compare the provided function to the slope-intercept form, we see that the slope is 5.

The slope of the function y = 5x + 4 is hence 5.

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After using linear equation - Randy paid $7.25 for each sub sandwich.

What are linear equations with one variable?

The equation for a linear equation in one variable is written as ax+b = 0, where a and b are two integers, and x is a variable. This equation has only one solution. For instance, the linear equation 4x+4=8 only has one variable.

we are given that,

cost of one hamburger = $5.75

let us assume the cost of one sub sandwich to be $x

thus the cost of three sub sandwiches will be $3x.

we know his total came out to be $27.50

therefore,

we are given that

cost of one hamburger + 3 sub sandwiches = $27.50

= 5.75 + 3x = 27.50

= 3x = 27.50 - 5.75

= 3x = 21.75

= x = 21.75/3

= x = $7.25

thus we know that one sub sandwich costs randy $7.25.

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Answer:

Step-by-step explanation:

Alcohol content of 15% solution:

Volume of 65% solution containing 78 ml of alcohol:

Required water volume to obtain 15% solution:

A) I work six hours at the second job, and my friend also spend six hours at the second job; B) At first job, I worked 4 hours and my friend also participated in work for four hours.

The total income for the x hours worked at the first job and the y hours done at the second job is represented by the system of linear equations. Your friend makes twice what you do.

         Me : 4 x + 8 y   =  64 -equation 1

My friend : 8 x + 16 y = 128 -equation 2

A ) one week, both of you work 4 hours at the first job.

(For me) - equation 1

   4 × 4 + 8 y = 64  

       16 + 8 y = 64

               8 y = 64 - 16

               8 y = 48

                  y = 48: 8

                  y = 6

For my friend - equation 2

     8 x + 16 y = 128

    8×4 + 16 y = 128

              16 y = 128 - 32

                   y = 96÷16

                   y = 6

I work six hours at the second job, and my friend works six hours at the second job.

B) If both of us work the same number of hours (i.e. 6 hours) at the second job. Our hours at the first job is:

for me - equation 1

          4 x+ 8 y = 64  

            4 x + 8 × 6 = 64

               4 x = 64 - 48

               4 x = 16

                  x = 16 ÷ 4

                  x = 4

For my friend - equation 2

          8 x+ 16 y = 128

            8 x + 16 × 6 = 128

               8 x = 128 - 96

               8 x = 32

                  x = 32 ÷ 8

                  x = 4

Therefore, At first job, I worked 4 hours and my friend also worked 4 hours.

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Answer:

(- 3, 2 )

Step-by-step explanation:

to find the start, do the reverse, that is move 1 unit to the right.

this means adding 1 to the x- coordinate

start = (- 4, 2 ) → (- 4 + 1, 2 ) → (- 3, 2 )

The answer would be 53

Step-by-step explanation:

here you go hope it helps

Answer:

the Riemann Sum for $f(x)=2x^2$ with four equal subintervals using right-hand endpoints as the sample points is $\frac{15}{2}$.

Step-by-step explanation:

To evaluate the Riemann Sum for the function $f(x)=2x^2$ with four equal subintervals using right-hand endpoints as the sample points, we first need to determine the width of each subinterval. Since we have four subintervals to cover the interval $[0, 2]$, each subinterval has a width of $\Delta x = \frac{2-0}{4} = \frac{1}{2}$.

Next, we need to choose a sample point from each subinterval to evaluate the function. Since we are using right-hand endpoints as the sample points, we choose the endpoint of each subinterval as the sample point. The four subintervals are:

$[0, \frac{1}{2}]$, with sample point $x_1 = \frac{1}{2}$

$[\frac{1}{2}, 1]$, with sample point $x_2 = 1$

$[1, \frac{3}{2}]$, with sample point $x_3 = \frac{3}{2}$

$[\frac{3}{2}, 2]$, with sample point $x_4 = 2$

The Riemann Sum is then given by:

∑i=14f(xi)Δx=f(x1)Δx+f(x2)Δx+f(x3)Δx+f(x4)Δx=2(12)2⋅12+2(1)2⋅12+2(32)2⋅12+2(2)2⋅12=12+2+92+4=152i=1∑4​f(xi​)Δx​=f(x1​)Δx+f(x2​)Δx+f(x3​)Δx+f(x4​)Δx=2(21​)2⋅21​+2(1)2⋅21​+2(23​)2⋅21​+2(2)2⋅21​=21​+2+29​+4=215​​

Therefore, the Riemann Sum for $f(x)=2x^2$ with four equal subintervals using right-hand endpoints as the sample points is $\frac{15}{2}$.

The Riemann Sum is 15/2 or 7.5.

To evaluate the Riemann Sum for the function f(x) = 2x^2 on the interval [0, 2] using 4 equal subintervals and right-hand endpoints, follow these steps:

1. Determine the width of each subinterval:
  Δx = (b - a) / n = (2 - 0) / 4 = 0.5

2. Identify the right-hand endpoints of each subinterval:
  x1 = 0.5, x2 = 1, x3 = 1.5, x4 = 2

3. Evaluate the function at each right-hand endpoint:
  f(x1) = 2(0.5)^2 = 0.5
  f(x2) = 2(1)^2 = 2
  f(x3) = 2(1.5)^2 = 4.5
  f(x4) = 2(2)^2 = 8

4. Calculate the Riemann Sum using these values:
  Riemann Sum = Δx * (f(x1) + f(x2) + f(x3) + f(x4))
  Riemann Sum = 0.5 * (0.5 + 2 + 4.5 + 8)
  Riemann Sum = 0.5 * (15)
  Riemann Sum = 7.5

The Riemann Sum for the given function using 4 equal subintervals and right-hand endpoints is 7.5, which is not among the provided options. However, the closest answer choice would be 15/2 or 7.5.

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The explicit formula for the nth term of the sequence 14,16,18,... is aₙ = 2n + 12.

What is an explicit formula?

The explicit equations for L-functions are the relationships that Riemann introduced for the Riemann zeta function between sums over an L-complex function's number zeroes and sums over prime powers.

Here, we have

Given:  the sequence 14,16,18,….

First term a₁ = 14

Common difference d = 16 - 14 = 2

Now, plug the values into the above formula and simplify.

aₙ = a₁ + d( n - 1 )

aₙ = 14 + 2( n - 1 )

aₙ = 14 + 2n - 2

aₙ = 14 - 2 + 2n

aₙ = 2n + 12

Hence,  the explicit formula is aₙ = 2n + 12.

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Answer:

81, 144 and 19

Step-by-step explanation:

A percentage is a ratio or a number expressed in the form of a fraction of 100. Percentages are often used to express a part of a total.

To solve for the first problem, we can use this equation:

For the second:

And the third:

Therefore, 81, 144 and 19 are the answers.

if the population standard deviation is increased while the sample size is 28, the confidence interval will become wider. This is because there is more variability in the sample mean, and therefore more uncertainty in the estimate of the population parameter.

If the sample size is 28 and the population standard deviation is increased, there will be a direct impact on the confidence interval. This is because the confidence interval is calculated based on the sample mean and the standard deviation. If the population standard deviation is increased, it means that there is more variability in the population. This increase in variability will lead to wider confidence intervals.
A confidence interval is a range of values that is likely to contain the true population parameter with a certain level of confidence. The width of the confidence interval is determined by the sample size, the standard deviation, and the level of confidence.
In this case, if the population standard deviation is increased, it means that the sample standard deviation will also increase. The sample mean will be relatively more variable than it would be if the population standard deviation was lower. This increase in variability will cause the confidence interval to become wider, as there is more uncertainty in the estimate of the population parameter.
In summary, if the population standard deviation is increased while the sample size is 28, the confidence interval will become wider. This is because there is more variability in the sample mean, and therefore more uncertainty in the estimate of the population parameter. It is important to note that increasing the sample size can help to reduce the impact of increased population standard deviation on the confidence interval, as a larger sample size provides more accurate estimates of the population parameter.

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Answer:

x = -3

Tell me if im wrong

Answer:

Par value = 1000

Price of bond = 1000/(1+29%) =775.19

Expected Value of Bond = 50%*1000 +50%*0 = 500

The Expected yield = (500-775.19)/775.19 = -35.50%

Step-by-step explanation:

Answer:  SR = 42

Step-by-step explanation:

8x-6 = 36  + x

subtract x

8x - x - 6 =  36 + x - x

(Note +x -x = 0, same goes to any number or variable.)

7x - 6 =  36

add 6

7x  - 6 + 6 = 36 + 6

7x = 42

7x/7 = 42/7

x = 6

So far we found x, so now we would put x in SR which is 8x - 6

SR = 8x - 6

SR = 8(6)  - 6

SR = 48  - 6

SR =  42.

Therefore SR is 42.

Answer:

x = ±11

Step-by-step explanation:

Step 1: Write equation

x² = 121

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

(-11)² = 121

121 = 121

11² = 121

121 = 121

Answer:

16×-3

-48

I hope it's helps you

Answer:

-48

Step-by-step explanation:

16(-3) = -48

Answer:

the answer is 4x

Step-by-step explanation:

Answer:

Step-by-step explanation:

what following?

Answer:

( -4, -2, 4 )

Hope this helps!

Step-by-step explanation:

The DOMAIN is the X-coordinates while RANGE is the Y-coordinates.

Because this question asks for the range, the numbers should be from the y-axis. This would be 4, -2, -2, and -4, however, because there are two -2s, you can get rid of one because the numbers can't repeat. I'm not sure why you deleted my answer from before, it was right.

Answer:

1/6

Step-by-step explanation:

A dies has six sides

1,2,3,4,5,6

There is 1 three

P(3) = number of threes/ total numbers

      = 1 / 6

Answer:

Step-by-step explanation:

4.5 in

Divide the area of the triangle by the height.

Answer: 99/130

Payment made by any method except credit card is 95+4=99 and altogether there is three payment method including a credit card which sums up to 130.

So the probability is 99/130.

Answer:

The answer is (A.)

Step-by-step explanation:

4 x 9 = 36

6 x 9 = 54

8 x 9 = 72

Answer:

its close 9.45

Step-by-step explanation:

7(x+9)=132

7x+63=132

7x=132-63

7x=69

x=69/7

x=9.45

Answer:

Your answer is 67/9 or 9 6/7

Step-by-step explanation:

Answer:

Rs 12,500

Step-by-step explanation:

the price before VAT = 100/10 × Rs 5000 =

Rs 50,000

the price before discount = 50,000 / 80%

= 50,000/0.8 = 62,500

so the discount amount = 62,500-50,000

= Rs 12,500

Answer:

x = 27/5

Step-by-step explanation:

5x - 1 = 26

Add 1 to each side

5x - 1 = 26

5x-1+1 = 26+1

5x = 27

Divide each side by 5

5x/5 = 27/5

x = 27/5

Answer:

Tyler's mom purchased a savings bond for Tyler. The value of the savings bond increases by 4% each year. One year after it was purchased, the value of the savings bond was $156.

Find the value of the bond when Tyler's mom purchased it. Explain your reasoning.

Step-by-step explanation:

the answer is in the attachment

Hope it helps