The price of a shirt is usually £48.
During a sale the prices in the shop are reduced by 3/4
How much is the shirt in the sale?

Answer:

free point 3.3.3 points sorry but I just need

Alicia's estimate of the surface area of the rectangular prism is not reasonable based on her miscalculation of the volume.

To determine whether Alicia's estimate of the surface area of the rectangular prism is reasonable, we first need to check if her calculation of the volume of the rectangular prism is correct.

The formula for calculating the volume of a rectangular prism is:

Volume = length x width x height

Substituting the given values in the formula, we get:

Volume = 11 meters x 5.6 meters x 7.2 meters

Volume = 449.28 cubic meters

As we can see, Alicia's estimate of 334 cubic meters is significantly lower than the actual volume of the rectangular prism, which is 449.28 cubic meters. Therefore, her estimate of the surface area is likely to be incorrect as well.

It is also important to note that the problem statement asks about the estimate of the surface area, not the volume. However, since the formula for calculating the surface area of a rectangular prism also involves the dimensions of length, width, and height, it is highly likely that Alicia's estimate of the surface area would also be incorrect given her miscalculation of the volume.

In conclusion, Alicia's estimate of the surface area of the rectangular prism is not reasonable based on her miscalculation of the volume.

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Answer:

-5/2

Step-by-step explanation:

4+1/-5+3 your welcome could you give me brainliest pls? thankss

The required equation that has solution as x = -2 and x = 2, are x²– 4 = 0 and 4x² = 16

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,
x²– 4 = 0
x² = 4
x = ±2

4x² = 16
x² = 4
x = ±2

Thus, the required equation that has solution as x = -2 and x = 2, are x²– 4 = 0 and 4x² = 16

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a) The zero rates for the five maturities are: 1 year is 2.01%, 2 years is 2.48%, 3 years is 2.77%, 4 years is 1.73%, and 5 years is 4.32%.

b) The price of the security is $128.31.

a) To find the zero rates for all 5 maturities, we can use the formula for the present value of a bond:

PV = C / \((1+r)^n\)

where PV is the present value,

C is the coupon payment,

r is the zero rate, and

n is the number of years to maturity.

We can solve for r by rearranging the formula:

r = \((C/PV)^{(1/n) }\)- 1

Using the bond data given in the question, we can calculate the zero rates for each maturity as follows:

For the 1-year bond, PV = 98 and C = 0, so r = 2.01%.

For the 2-year bond, PV = 101, C = 2.48, and n = 2, so r = 2.48%.

For the 3-year bond, PV = 103, C = 2.91, and n = 3, so r = 2.77%.

For the 4-year bond, PV = 101, C = 2, and n = 4, so r = 1.73%.

For the 5-year bond, PV = 103, C = 5, and n = 5, so r = 4.32%.

Alternatively, we can use linear algebra to find the zero rates. We can write the present value equation in matrix form:

PV = A × x

where A is a matrix of coefficients, x is a vector of unknowns (the zero rates), and PV is a vector of present values.

To solve for x, we can use the equation:

x = (\(A^{-1}\)) x PV

where (\(A^{-1}\)) is the inverse of matrix A.

Using this method, we can solve for the zero rates as follows:

[2.01% ]

[2.48% ]

[2.77% ] = x

[1.73% ]

[4.32% ]

PV = \(A^{-1}\) x  [98]

                   [101]

                   [103]

                   [101]

                   [103]

PV =   [-0.0201]

          [ 0.0248]

          [ 0.0277]

          [-0.0173]

          [ 0.0432]

b) To find the price of the security which pays cash flows of $10 in one year, $25 in two years, and $100 in four years, we can use the formula for the present value of a series of cash flows:

PV = \(C1/(1+r)^1 + C2/(1+r)^2 + C3/(1+r)^4\)

where PV is the present value, C1, C2, and C3 are the cash flows, r is the zero rate, and the exponents correspond to the number of years until each cash flow is received.

Using the zero rates calculated in part (a), we can calculate the present value of each cash flow:

PV1 = $10 /(1+2.01 % \()^1\) = $9.80

PV2 = $25/(1+2.48%\()^2\) = $22.15

PV3 = $100/(1+1.73%\()^4\) = $81.36

Then, the price of the security is the sum of the present values:

PV = $9.80 + $22.15 + $81.36 = $128.31

Therefore, the price of the security is $128.31.

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The critical path is the path with the longest duration, which in this case is A -> B -> D -> E with a duration of 11 days.

To determine the critical path of the project, we need to find the longest path of activities that must be completed in order to finish the project on time. This is done by calculating the earliest start time (ES) and earliest finish time (EF) for each activity.

Starting with activity A, ES = 0 and EF = 4. Activity B can start immediately after A is complete, so ES = 4 and EF = 7. Activity C can start after A is complete, so ES = 4 and EF = 6. Activity D can start after B is complete, so ES = 7 and EF = 9. Finally, activity E can start after C and D are complete, so ES = 9 and EF = 11.

The variance for each activity is also given, which allows us to calculate the standard deviation and determine the probability of completing the project on time. The critical path is the path with the longest duration, which in this case is A -> B -> D -> E with a duration of 11 days.

Using the expected durations and variances, we can calculate the standard deviation of the critical path. This information can be used to determine the probability of completing the project on time.

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When the company asked its customers to describe how satisfied they were with the latest product, it's a discrete data.

It should be noted that the main distinction between continuous and discrete data is that the former has a finite value that can be counted while the latter has an endless number of possible values that can be measured.

A count involving integers is referred to as discrete data because there are a finite number of possible values. This kind of data cannot be separated into separate components. Discrete data consists of discrete variables that are non-negative, countable, and finite.

In this case, it should be noted that the measurement was taken based on their satisfaction. Therefore, it's a discrete variable.

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The following steps are necessary t find the total magnification of the lens.

To determine the total magnification of a microscope, you need to multiply the magnification of the objective lens by the magnification of the eyepiece lens. Here's a step-by-step explanation:

1. Identify the magnification of the objective lens, which is typically marked on the lens itself (e.g., 10x, 40x, or 100x).
2. Identify the magnification of the eyepiece lens, which is usually marked on the eyepiece (e.g., 10x).
3. Multiply the magnification of the objective lens by the magnification of the eyepiece lens to determine the total magnification.

For example, if you have a 40x objective lens and a 10x eyepiece lens, the total magnification of the microscope would be 40x * 10x = 400x.

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Answer:

I got 84% increase

Step-by-step explanation:

Subtract final value minus starting value

Divide that amount by the absolute value of the starting value

Multiply by 100 to get percent increase

Answer:

ok mag lazada ka nalang te

1. 5a - 8b + 7b + 3a

→ 5a + 3a - 8b + 7b

→ 8a - b ★

2. -5a + 8b - 7b - 3a

→ -5a - 3a + 8b - 7b

→ -8a + b ★

3. 5a + 8b - 7b + 3a

→ 5a + 3a + 8b - 7b

→ 8a + b ★

4. -5a - 8b + 7b - 3a

→ -5a - 3a - 8b + 7b

→ - 8a - b ★

Final answers ;

\( \boxed {\sf { 5a - 8b + 7b + 3a = 8a - b } } \)

\( \boxed {\sf { -5a + 8b - 7b - 3a = -8a + b } } \)

\( \boxed {\sf {5a + 8b - 7b + 3a = 8a + b } } \)

\( \boxed {\sf {-5a - 8b + 7b - 3a = - 8a - b} } \)

5a – 8b + 7b + 3a

5a – 8b + 7b + 3a

= 5a + 3a – 8b + 7b

= 8a – b ( Answer )

________________________________________________

–5a + 8b – 7b – 3a

–5a + 8b – 7b – 3a

= –5a – 3a + 8b – 7b

= –8a + b ( Answer )

________________________________________________

5a + 8b – 7b + 3a

5a + 8b – 7b + 3a

= 5a + 3a + 8b – 7b

= 8a + b ( Answer )

________________________________________________

–5a – 8b + 7b – 3a

–5a – 8b + 7b – 3a

= –5a – 3a – 8b + 7b

= –8a – b ( Answer )

________________________________________________

Answer:

6/7

Step-by-step explanation:

3x2/7 in the same as 3/1x2/7, which is 6/7

(simply multiply the denominator and numerator of the fraction)

Answer: hii <3

Exact Form:

6/7

Decimal Form:

0.857142

Step-by-step explanation:

Simplify the expression.

Hopefully this helps you

- Matthew

Answer:

25/216 or 0.115740741

Step-by-step explanation:

These are the possibilities of getting a sum of 9: 126  135  144  153  162  216  225  234  243  252  261  315  324  333  342  351  414  423  432  441  513  522  531  612  621 (Total of 25)

The total: 6*6*6= 216

25/216=0.115740741

Answer:

-12

21

-30

Step-by-step explanation:

Have a good day!

If possible, Brainliest? Thanks in advance

I hope this is the answer you were looking for!

The value of the expression (c - 2d) / a when a = 2, b = -3, c = -1, and d = 4 is 5.

Substitute the given values into the expression: (-1 - 2 * 4) / 2.

Perform the arithmetic operations following the order of operations (PEMDAS/BODMAS): -1 - 8 / 2 = -1 - 4 = -5.

Simplify the expression further: -5 / 2 = -2.5.

Therefore, the value of the expression (c - 2d) / a, when a = 2, b = -3, c = -1, and d = 4, is -2.5.

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Answer:

the answer is d

Step-by-step explanation:

you are working with negatives so if you multiply negatives you switch the symbol around

Answer:

B. 1. x^6

2. -6a^7

3. r^11

4. x^6

5.a^3b^6

6.x^14

7. 12y^8

8. 55x^4y^6

9. 30m^4n^4

10. 6a^10b^6c^16

C. 1. 40m+60n-810

2. 12am^2 - 8an- 16al^3+4ap

3. 2xmn-3ymn-4zmn

4. 20bx^2-8bx+20b

5. -28xa+4xb-14x

6. y^2 - 4

7. 4x^2 - 16

8. 16b^2 - 4

9. 25a^2-49

10. 9m^2-49

If we want to provide a 99% confidence interval for the mean of a population, the confidence coefficient will be 0.99. This means that there is a 99% probability that the true population mean falls within the calculated interval.

The confidence coefficient for a confidence interval represents the level of confidence we have in our estimate.

In the case of a 99% confidence interval, the confidence coefficient is 0.99. This means that we are 99% confident that the true population mean falls within the calculated interval. The confidence coefficient is derived from the desired level of confidence, which is typically expressed as a percentage.

A higher confidence level corresponds to a larger confidence coefficient. In practical terms, a 99% confidence interval indicates that if we were to repeat the sampling process multiple times and construct 99% confidence intervals, approximately 99% of those intervals would contain the true population mean.

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By calculating the given equations with points none of the equation represents equation of this graphed line.

What is the equation of the line?

The equation of a straight line is y=mx+c y = m x + c m is the gradient and c is the height at which the line crosses the y -axis, also known as the y-intercept.

We have given the,

y = 2x+2

y=-2x-2

y=6x+6

y=-6x-6

And, the graph.

From the line in the graph we can take the cordinate points which represents the equation of line.

point (1, 2)

By putting this point we can decide the given equation of line:

y=2(1)+2 = 4

y=-2(1)-2 = 0

y=6(1)+6 =12

y=-6(1) - 6 =-12

Hence, by calculating the given equations with points none of the equation represents equation of this graphed line.

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Answer:

It depends what the school looks like on the map. The school is a quadrilateral if it has 4 sides. The school is a parallelogram if it has at least 1 pair of parallel sides.

Answer

i know right

Step-by-step explanation:

In a family with five girls and the probability of a boy being born is 1/2, the probability of the next child being a boy is still 1/2.

The previous births do not affect the probability of the next birth since each birth is an independent event.

The probability of an event occurring is determined by the ratio of the number of favorable outcomes to the total number of possible outcomes. In this case, the event of interest is the birth of a boy.

Since each birth is an independent event, the probability of having a boy on any given birth is always 1/2, regardless of the previous children born.

In the given scenario, the family already has five girls. This information is not relevant to the probability of the next child being a boy. The gender of the previous children does not affect the probability of the next child being a boy or a girl.

Therefore, the probability of the next child being a boy remains 1/2, as it is for any independent birth event.

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Answer:

compare them

Step-by-step explanation:

first make the denominators the same, then compare the numerators

Answer:

2√5 ≈ 4.47214

Step-by-step explanation:

You can draw a triangle with corner points (-1,2); (1,2) and (-1,-2), and the distance will be the hypotenuse, use pythagoras to solve:

√(2²+4²) = √20 = 2√5

Answer:

4.472 units

Step-by-step explanation:

1-(-1)=1+1=2

2-(-2)=2+2=4

2²+4²=c²

4+16=c²

20=c²

c=√20

c=4.472 units

In conclusion there is only one solution to the system of equations and that is for x and y that satisfies both equations: x = 19 and y = -83.

How to solve and what does an equation mean?

We have two equations:

x + 5 = 24

5x = 12 - y

For the first equation, we can isolate x by subtracting 5 from both sides:

x = 19

Now we can substitute x = 19 into the second equation:

5(19) = 12 - y

95 = 12 - y

y = -83

So we have found a unique solution for x and y that satisfies both equations: x = 19 and y = -83.

Therefore, there is only one solution to the system of equations.

An equation is a mathematical statement that says that two things are equal. It consists of two expressions separated by an equal sign (=). For example, 2 + 3 = 5 is an equation that says that the sum of 2 and 3 is equal to 5.

Equations can be written in a variety of forms, depending on the type of problem being solved. In algebra, equations often involve variables, which are letters or symbols that represent unknown quantities.

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Answer:

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

This is a combination of 4 out of 15.

Use combination formula:

where C - number of combinations, n- total number of objects, r - number of choosing from objects

Substitute 15 for n and 4 for r to get:

Correct choice is B.

Answer:

C
You have to use radius not the diameter

Finding diagonal sum

\(\\ \sf\longmapsto 0.7+1.0+1.3\)

\(\\ \sf\longmapsto 0.7+2.3\)

\(\\ \sf\longmapsto 3.0\)

#b

Observing the square

\(\\ \sf\longmapsto xy=0.9(0.6)\)

\(\\ \sf\longmapsto xy=0.54\)

Answer:

=====> A

⟼0.7+1.0+1.3

⟼0.7+2.3

⟼3.0

======> B

x=0.9

y=0.6

⟼xy=0.9(0.6)

⟼xy=0.54