Deshaun wants to attend a college that will cost $25,600 for the first year. His uncle gave him a special gift of $2500 to use toward the cost. Deshaun plans to attend the college in 7 years. How much must Deshaun save each month to have enough for the first-year cost?

Answer:Put a one under the five then sop he last faction and start multiplying

Step-by-step explanation:

By using the concept of discount, it can be calculated that

The bike should be marked at $440

What is discount?

Sometimes during sale, the items are sold at a reduced price from the original price of the item. The difference between the reduced price and the original price of the item is called discount.

Price paid by John for a new mountain bike = $280

Markup price = [tex]\frac{10}{100} \times 280[/tex] = $28

Price after markup = $(280 + 28) - $308

Let the marked price be $x

Rate of discount = 30%

Discount = [tex]\frac{30}{100}\times x[/tex]

Price after discount = [tex]x - \frac{30}{100}\times x[/tex]

                                 = [tex]\frac{100x - 30x}{100}[/tex]

                                 = [tex]\frac{70}{100}x[/tex]

By the problem,

[tex]\frac{70}{100}x = 308\\x = \frac{308 \times 100}{70}\\[/tex]

x = $440

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The probability of rolling an odd number or a number less than 4 is 2/3.

What is probability?

The degree to which something is likely; the probability that something will occur or will be the case.

Here, we have

Given

A single die is rolled.

Sample space = {1, 2, 3, 4, 5, 6}

Let P(A) be the probability of getting an odd number, where A = {1, 3, 5}

Let P(B) be the probability of getting a number less than 4,

where B = {1,2,3}

A ⋂ B ={1, 3}

P(A) = 3/6 = 1/2

P(B) = 3/6 = 1/2

P(A ⋂ B) = 2/6 = 1/3

Let P be the required probability of getting an odd number or a number less than 4

P = P( A ⋃ B ) = P(A) + P(B) - P(A ⋂ B)

P( A ⋃ B ) = 1/2 + 1/2 - 1/3

P( A ⋃ B ) = 1 - 1/3

P( A ⋃ B ) = 2/3

Hence, the probability of rolling an odd number or a number less than 4 is 2/3.

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Answer: 3702

Step-by-step explanation: from plato

Answer:

  none of the above

  (1 -4n +3n^2)(-1)^n

Step-by-step explanation:

You have the recursive relation {a[0]=1, a[1]=0, a[2]=5, a[n]=-3a[n-1] -3a[n-2] -a[n-3]} and you want to know the explicit relation.

The given initial value a[0] = 1 rules out choice A.

The value a[1] = 0 rules out choices B and C.

We observe that changing the sign of the constant in the first choice will make it match the sequence:

  (1 -4n +3n^2)(-1)^n . . . . . . the solution for the recursive equation

Answer:

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

Convert this to vertex form by completing the square.

Recall identity (a ± b)² = a² ± 2ab + b² and apply as given below:

Answer:

[tex](x-3)^2-11[/tex]

Step-by-step explanation:

Given quadratic expression:

[tex]x^2-6x-2[/tex]

To write the given expression in the form (x + a)² + b, complete the square.

Add and subtract the square of half the coefficient of the term in x:

[tex]\implies x^2-6x+\left(\dfrac{-6}{2}\right)^2-2-\left(\dfrac{-6}{2}\right)^2[/tex]

Simplify:

[tex]\implies x^2-6x+\left(-3\right)^2-2-\left(-3\right)^2[/tex]

[tex]\implies x^2-6x+9-2-9[/tex]

The first three terms x² - 6x + 9 form a perfect square trinomial.

A perfect square trinomial can be written as the square of a binomial.

Factor the perfect square trinomial:

[tex]\implies(x-3)^2-2-9[/tex]

Simplify:

[tex]\implies(x-3)^2-11[/tex]

Therefore, the given expression written in the form (x + a)² + b is:

[tex]\boxed{(x-3)^2-11}[/tex]

The compound interest is 61.342 years.

What is compound interest?

Compound interest is the interest calculated on the principal and the interest accumulated over the previous period. It is different from simple interest, where interest is not added to the principal while calculating the interest during the next period.

To find the time period the interest must be compounded quarterly.

Calculated twelve times a year is interest that is compounded monthly. Interest is calculated on a quarterly compound basis, four times a year.

Given that;

               A = 1700                         P = 500

                 r = 2%                          n = 4

                   = 2/100

                 r = 0.02 /year

 Using the formula  A=P(1+r/n)ⁿt  find the time period (t)

t = ln(A/P) / n[ln(1 + r/n)]

t = ln(1,700.00/500.00) / ( 4 × [ln(1 + 0.02/4)] )

t = ln(1,700.00/500.00) / ( 4 × [ln(1 + 0.005)] )

t = 61.342 years

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Answer:

I've solved all of the above for you :)

Step-by-step explanation:

3q² + 7 = 55

3q² = + 7 - 7 = 55 - 7

3q² = 48

3q²/3 = 48/3

q² = 12

q = 2√3

√p - 4 = - 5

p - 4 = (-5)²

p - 4 + 4 = 25 + 4

p = 29

5√a/2 = 40

5√a/2 × 2 = 40 × 2

5√a = 80

5√a/5 = 80/5

√a = 16

a = 256

c³ - 4 = 23

c³ - 4 + 4 = 23 + 4

c³ = 27

c = 3

(k + 3)² = 4

k² + 6k + 9 = 4

k² + 6k + 9 - 4 = 0

k² + 6k + 5 = 0

k² + k + 5k + 5 = 0

k(k + 1) + 5(k + 1) = 0

(k + 5) (k + 1) = 0

k = (-5) or (-1)

√s + 4 = 6

s + 4 = (6)²

s + 4 - 4 = 36 - 4

s = 32

(√f - 5) = (√7 - f)

(√f - 5)² = (√7 - f)²

f - 5 = 7 - f

f - 5 + 5 + f = 7 + 5 - f + f

2f/2 = 12/2

f = 6

∛j + 9 = 0

∛j + 9 - 9 = -9

∛j = (-9)

j = (-9)³

j = (-729)

b² - 1 = 24

b² - 1 + 1 = 24 + 1

b² = 25

√b² = √25

b = 5

13 = (w - 2)² + 5

13 = w² - 4w + 4 + 5

13 - 9 = w² - 4w

w² - 4w = 4

w² - 4w - 4 = 0

w² - 2w - 2w - 4 = 0

w(w - 2) - 2(w - 2) = 0

(w - 2) (w - 2) = 0

w = 2 or 2

12 = 4√2x + 1

12/4 = 4√2x + 1/4

3 = √2x + 1

√2x + 1 = 3

2x + 1 = 9

2x + 1 - 1 = 9 - 1

2x/2 = 8/2

x = 4

(g + 1)³ = (-8)

g³ + 1³ + 3g(g + 1) = (-8)

g³ + 1 + 3g² + 3g = (-8)

g³ + 3g² + 3g = (-8) - 1

g³ + 3g² + 3g = -9

g³ + 3g² + 3g + 9 = 0

g = (-3)

∜(5m + 1) = 4

[∜(5m + 1)]⁴ = (4)⁴

5m + 1 = 256

5m + 1 - 1 = 256 - 1

5m/5 = 255/5

m = 51

∛(y³ - 19) = 2

(y³ - 19) = (2)³

y³ - 19 = 8

y³ - 19 + 19 = 8 + 19

y³ = 27

y = 3

The maximum loan you can obtain if the rate for a 25-year mortgage is 8.65% is $298,853.76

A monthly payment can be calculated as;

Monthly payment = (Monthly income - payment)(percentage payment)

38% of your gross monthly income is

 0.38 × $6,500 = $2470

If you're already spending $525 on monthly payments, the amount the bank says you can afford for a mortgage loan;

Then

$2470-525= $1945

The amortization formula can be used to find the corresponding loan value.

A = P(r/25)/(1 -(1 +r/25)^(-25t))

where A is the monthly payment on a loan of P at interest rate of r for time t years.

Filling in the known values, we have ;

 1945= P(.0525/25)/(1 -(1 +.0525/25)^(-12·30))

≈ 0.00515636808·P

Then the maximum loan can obtain is

 P = $1945/0.00515636

P ≈ $298,853.76

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Slope of line is 1/2.

What is slope?

In arithmetic, the slope or gradient of a line is a range that describes each the direction and therefore the gradient of the road.

Main body:

to find the slope from a graph , we need to fix two co-ordinates at slope for axis

let point at x be = (40,40)

let point y = (80,60)

Formula for slope ,

m = y₂-y₁/x₂-x₁

m = 60-40/80-40

m = 20/40

m = 1/2

hence , slope of line is 1/2.

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Answer:

I think that's 11,8

Step-by-step explanation:

Hope its right

By the Definition of a Correlation Coefficient,

x and y do not have a linear relationship.

Option B is the correct answer.

The correlation coefficient describes the movement of one variable in relation to another. A positive correlation indicates that the two are moving in the same direction, with 1 denoting a perfect positive correlation. A value of -1 indicates a perfect negative, or inverse, correlation, while a value of zero indicates that no linear correlation exists.

The number's value indicates the strength of the relationship: r = 0 indicates that there is no correlation. r = 1 indicates that there is a perfect positive correlation. r = -1 shows a perfect negative correlation.

According to the question, If the correlation coefficient is zero, there is no linear relationship.

If the correlation coefficient is zero, the relationship between x and y is not linear. Another possible relationship (such as an exponential or quadratic) could exist, but this is dependent on the scatter plot provided.

By the Definition of a Correlation Coefficient,

Option B is the correct answer.

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By the Definition of a Correlation Coefficient, X and Y do not have a linear relationship. Option B is the correct answer.

The correlation coefficient describes the movement of one variable in relation to another. A positive correlation indicates that the two are moving in the same direction, with 1 denoting a perfect positive correlation. A value of -1 indicates a perfect negative, or inverse, correlation, while a value of zero indicates that no linear correlation exists.

The number's value indicates the strength of the relationship: r = 0 indicates that there is no correlation. r = 1 indicates that there is a perfect positive correlation. r = -1 shows a perfect negative correlation.

According to the question, If the correlation coefficient is zero, there is no linear relationship.

If the correlation coefficient is zero, the relationship between x and y is not linear. Another possible relationship (such as an exponential or quadratic) could exist, but this is dependent on the scatter plot provided.

By the Definition of a Correlation Coefficient,

Option B is the correct answer.

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Answer:

x=18

36/2=18

all good.

The area and the circumference of the circular plate is 452.16 in² and  75.36 in

What is area and circumference of circular plate?

Area of circular plate , A = πr²

=3.14 * 12 * 12

= 452.16 in²

Circumference of the circular plate, C = π * 2r

= 3.14 * 2 * 12                
= 75.36 in

Hence, the area and the circumference of the circular plate is 452.16 in² and  75.36 inches.

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Answer:

106

Step-by-step explanation:

The pattern goes +6, +12, +18, etc

Thus, the final term is simply +30.

76+30 = 106

Hope it helps :) and let me know if you want me to elaborate.

Answer:

He worked 26 hours at the vegetable farm and 4 hours at the paddy field.

Step-by-step explanation:

Let us take the working hour at a vegetable farm be x and at paddy field be y

He worked for both jobs for a total of 30 hours.

So,

x + y = 30 ...(1)

He earns Rs 200/- per hour from vegetable farm and Rs 250/- per hour from paddy field, total of Rs 6900.

So,

200x + 250y = 6900

2x + 5y = 138 ...(2)

From equation 1 we get,

x = 30 - y

Put the value of x = 30 - y in equation 2 we get,

2x + 5y = 138

2(30 - y) + 5y = 138

60 - 2y + 5y = 138

60 + 3y = 138

3y = 138 - 60

3y = 78

y = 26

Now, put the value of y in equation 1 we get,

x + y = 30

x + 26 = 30

x + 26 - 26 = 30 - 26

x = 4

Thus, He worked 26 hours at the vegetable farm and 4 hours at the paddy field.

Based on the given parameters, the car would be $497.9 expensive in 9 years

The given parameters about the compound interest are

Compound interests are different from simple interest, and they are calculated using the following compound interest formula

CI = P(1 + R)^t - P

To calculate the amount, we have:

A = P + CI

So, the equation becomes

A = P + P(1 + R)^t - P

Evaluate the like terms

A = P(1 + R)^t

In this case, we introduce the variable n

So, we have

A = P(1 + R/n)^nt

Where n is the number of times in a year

i.e. n = 12

Substitute the known values in the above equation

A = 325 * (1 + 4.75%/12)^(12 * 9)

Evaluate the percentages and the quotients

A = 325 * (1 + 0.0039583)^(108)

Evaluate the sum

A = 325 * (1 .0039583)^(108)

Evaluate the exponent

A = 325 * 1.532

Evaluate the product

A = 497.9

Hence, the value of the investment after 9 years is $497.9

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The expressions x - 5 and x - 5 gives the equal value for the different values of x, therefore expressions are equivalent.

An algebraic expression is consists of variables, numbers with various mathematical operations,

The given expressions are,

x - 5 and x - 5

To determine the expressions are equivalent,

Since, in the both, the expression x is a variable, and 5 is an integer,

Therefore, for the values of x the value of expression should be equal.

Substitute x = 0,

x - 5 = 0 - 5 = - 5

And

x - 5 = 0 - 5 = - 5

Substitute x = 1

x - 5 = 1 - 5 = - 4

and

x - 5 = 1 - 5 = - 4

Since, for the different values of x the values of expressions are equal.

Hence, expression x - 5 and x - 5 are equivalent.

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Answer: 15, not including the frisbees. (The answer would be 20 if the frisbees were in there)

Step-by-step explanation: 25% is equivalent to 1/4, and 5 is equal to 1/4. The simplest way to solve this is to multiply 5 by 4, and you'll get 20. Then subtract 5 (the frisbees) and you'll get 15. (Sorry if that doesn't make much sense haha) Hope this helps!!

The required length of the building is given as 32 cm.

The scale factor is defined as the ratio of the modified change in length to the original length.

Here,
The height of the building is 250 meters, the length of the building is 160m, and on the drawing, the height of the building is 50 cm,
Scale factor = height on drawing / original height
Scale factor = 50 / 250
Scale factor = 1/5

Now,
Length in drawing = scale factor × original length,
length in drawing = 1 / 5 × 160
                           = 31

Thus, the length of the building as of the scale factor 1/5 is given as 31 cm.

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The required length of each panel would be 1 feet.

Given that,
A mural is 7  feet long and is divided into 7 equal-length panels. How many feet long is each panel to be determined.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
The required length of each panel = total length of the panel / 7
                                                     = 7 / 7 = 1 feet

Thus, the required length of each panel would be 1 feet.

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Answer: It is crucial for students to look for and make use of a structure because this practice requires them to reason about the underlying mathematical structure and unity of mathematics ideas.

Answer: x = 36;  y = 36

Step-by-step explanation:

This is an isosceles triangle, so the 2 "bottom" angles are equal:

2x = 72

x = 72/2 = 36

sum of interior angles = 180

180 - 72 - 72 = 36

A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.

a. two-tailed test

b. reject H0 if Z>1.96 or Z<-1.96

c. Z = 1.73

d. we have failed to reject the null hypothesis

e. P-value = 0.0418

We need to find our critical value:

Zα/2 = Z(0.05/2) = 0.025

The Z test will be done using the next equation:

Z = (x⁻1 - x⁻2) - (μ1 - μ2) / √( σ²1/n1 + σ²2/n2

Z = (100.5 - 98.8) - (0) / √( (3.4)²/38 + (5.8)²/51 = 1.7/0.9817 = 1.73

Z<1.96, therefore we have failed to reject the null hypothesis

The P-value for this test would be represented by the probability of Z being greater than 1.73, so we can look for it in any Z table, finding that its value is 0.0418, and because P-value>0.025 we again confirm that we don't have evidence statistically significant to reject the null hypothesis

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Answer:

450 g = 6 people

? kg = 18 people

450 x 18 = 8100

8100 = 6x

8100/6 = 6x/6

x = 3150 kg of rice is needed for 18 people.

The absolute maximum is 1.29, which occurs at x= 9

What is absolute extrema?

An absolute extremum  of a perform in an exceedingly given interval is that the purpose at that a most or minimum worth of the perform is obtained. Frequently, the interval given is that the function's domain, and therefore the absolute extremum is that the purpose admire the most or minimum worth of the complete perform.

Main body:

Given =

f(x) = [tex](x^{2} -64)^{1/11[/tex]

f' (x) = derivative of function f(x)

f'(x) = 1/11[tex](x^{2} -64)^{-10/11[/tex] . 2x

     = [tex]2 \frac{x}{11}[/tex][tex](x^{2} -64)^{-10/11[/tex]

putting f'(x) = 0

2x/11 [tex](x^{2} -64)^{-10/11[/tex] = 0

         [tex](x^{2} -64)^{-10/11[/tex] = 0

                     [tex]x^{2} -64[/tex] = 0

 x² = 64

x = ±8

We are given interval [-8,9].

Hence, calculating f(x) at -8, 8, 9.

f(-8) =  0

f(8) = 0

f(9) = [tex]17^{1/11}[/tex]

      = 1.29

Hence, absolute maximum value is 1.29 at x=9.

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We can determine the stream's current velocity by solving a set of equations, which gives us S is 2 mi/h.

The total speed of a motorboat traveling downstream is equal to the speed of the boat in still water plus the speed of the stream, whereas the total speed of a motorboat traveling upstream is equal to the speed of the stream minus one.

Therefore, the speed upstream is: (14 mi/h - S)

The speed downstream is (14 mph + S), where S is the stream's current flow rate.

We can construct the equations below after we know that it takes 15 minutes longer to walk 12 miles downstream:

14 mph plus speed (S) times the time (T minus 15 minutes) equals 12 miles.

In order to solve this, one of the variables in one of the equations needs to be isolated. I'll isolate T in the first equation:

T = (12 miles)/(14 miles per hour Plus S)

By substituting it in the other equation, we will obtain the following value: (14 mi/h - S)*((12 mi)/(14 mi/h + S) - 15 min) = 12 mi.

Taking only the favorable outcome, we obtain:

S = (24 - 25)/(-0.5) = 2 mph

2 mi/hr is the stream's current velocity.

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The required proportional relationship is given as y = 4x and shown in the graph.

proportionality is defined as between two or more sets of values, and how these values are related to each other in the sense are they directly proportional or inversely proportional to each other.

here,
According to the question,
The proportional relationship gives the number of liters of water the facet supplies, y, after x minutes,
y = kx - - - - - (1)
Put x = 3 so y = 4
12 = k[3]
k = 4

From equation 1,
y = 4x

Thus, the required proportional relationship is given as y = 4x and shown in the graph.

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Answer:

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

Given:

Find a function g which is a horizontal shrink by a factor of 1/3 of f(x).

Horizontal shrink by a factor of k is:

Apply this to the given function:

Answer:

Step-by-step explanation:

Clearly, it can be seen that 10/12 represents the largest fraction. Hence 5/6 (which is equivalent to 10/12) is larger than 2/3 or 3/4.

Answer: no they are equal either simplified to 5/6 or decimal 0.83 repeating decimal.

Step-by-step explanation: