What is the approximate total percent off when you buy something at "An extra 20% off of 40% off"?


Please help me​

Answer:

Step-by-step explanation:

There are no statements here

The set of vectors S={(−2,1,1),(0,3,1),(0,1,0)} does not form a basis for R^3.

A basis for a vector space is a set of vectors that spans the space and is linearly independent. The set S spans R^3, because any vector in R^3 can be written as a linear combination of the vectors in S.

However, the set S is not linearly independent, because the vector (0,3,1) is a linear combination of the vectors (0,1,0) and (−2,1,1).

To see this, we can write (0,3,1) as follows:

(0,3,1) = 3(0,1,0) + (-2,1,1)

Therefore, the set S is not linearly independent, and so it does not form a basis for R^3.

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The set of vectors S={(−2,1,1),(0,3,1),(0,1,0)} does not form a basis for R^3. So, The set of vectors  S={(−2,1,1),(0,3,1),(0,1,0)} is not forming the basis for R^{3} .

A basis for a vector space is a set of vectors that spans the space and is linearly independent. The set S spans R^3, because any vector in R^3 can be written as a linear combination of the vectors in S.

However, the set S is not linearly independent, because the vector (0,3,1) is a linear combination of the vectors (0,1,0) and (−2,1,1).

To see this, we can write (0,3,1) as follows:

(0,3,1) = 3(0,1,0) + (-2,1,1)

Therefore, the set S is not linearly independent, and so it does not form a basis for R^3.

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Answer:

12 bags of sand

Step-by-step explanation:

The minimum number of sand to fill the sandbox = 30 cubic feet

The volume or quantity of sand per bag is = 2.5 cubic feet

The minimum number of bags needed to fill the sandbox = 30 / 2.5 = 12 bags  

Given :

Lunar can travel about 289 miles on a tank of gas.If the gas tank can hold 17 gallons of gas.

To Find :

Is the Lunar Victor's best option.

Solution :

Number of miles Lunar travel per gallon is :

\(N = \dfrac{289\ miles}{17 \ gallon}\\\\N=17 \ miles/gallon\)

We know, miles travelled per gallon is given by 18 miles/gallon.

Therefore, The Legend is still the best option.

By using the elimination approach, the system of linear equations x + 2y = 13 and -x + y = 5 may be solved as (3, 8)

In calculus, a linear function is one that of the form y=mx+b. The slope is B, and the y-intercept is m. Since y and x are variables, the previous sentence is frequently referred as a "equation with two variables." Bivariate linear equations are linear equations with two parameters. Linear equations can be found in many places, including 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. When an equation has the structure y=mx+b, where m denotes the slope and b the y-intercept, it is considered to as being linear. A mathematical equation is said to be cubic if its solution has the form y=mx+b, where m stands for the slope and b for the y-intercept.

given

x + 2y = 13

-x + y = 5

In 1

5 - y + 2y = 13

y = 8

- x + 8 = 5

-x = 5 - 8

-x = -3

x = 3 by multiplying the value of x by 2.

By using the elimination approach, the system of linear equations x + 2y = 13 and -x + y = 5 may be solved as (3, 8)

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If the original quantity is 8 and the new quantity is 2, then the correct answer is 75%.

For this question we need to subtract and multiply the numbers. We know that 2 = 25% of 8 so:

\(\boxed{8-2=6}\\\boxed{6/2=3}\)

We are going to take that 25% and multiply it with 3 to get are final answer.

\(\boxed{25*3=75}\\\boxed{So,2=75}\)

Therefore, If the original quantity is 8 and the new quantity is 2, then the correct answer is 75%.

Answer:

width = 20 in

length = 24 in

Step-by-step explanation:

A = 480

L = 4 + w

w

A = L x w

A = (4 + w)w

A = 4w + \(w^{2}\)

480 = 4w + \(w^{2}\)

\(w^{2}\) + 4w - 480 = 0

(w + 24)(w - 20) = 0

w = -24 or w = 20

length can't be negative, so w = 20

if w = 20,

L = 4 + w

L = 4 + 20

L = 24

Check:

A = L x w

A = 24 x 20

A = 480

Each friend will receive approximately 0.10 gallons of popcorn.

To split the 5 eighths gallons of popcorn evenly between his 6 friends, we first need to convert the fraction to a decimal. Since one eighth is equal to 1/8, 5 eighths can be written as 5/8. To convert this fraction to a decimal, we divide the numerator (5) by the denominator (8). 5 divided by 8 equals 0.625. This means that the student has 0.625 gallons of popcorn.

To find out how much popcorn each friend will receive, we need to divide the total amount of popcorn (5 eighths gallons) by the number of friends (6).

First, let's convert 5 eighths to a decimal.

One eighth is equal to 1/8, so 5 eighths is 5/8.

To convert 5/8 to a decimal, divide the numerator (5) by the denominator (8):

5 ÷ 8 = 0.625.

Now, we can divide 0.625 by 6 to find the amount of popcorn each friend will receive.

0.625 ÷ 6 = 0.10416666667

Rounded to the nearest hundredth, each friend will receive approximately 0.10 gallons of popcorn.

Each friend will receive approximately 0.10 gallons of popcorn.

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Answer:

100=29+71

46= 63-17

63

Based on heads and feet of chicken and rabbits, there are 12 rabbits in the cage.

Let us represent chicken by x and rabbit by y. So, we all know that chicken and rabbit have 1 head each. We also know that chicken has 2 feet and rabbit has 4 legs. Now forming the equation accordingly.

Equation for head -

x + y = 35 : Equation 1

Equation for feet -

2x + 4y = 94 : Equation 2

Rewriting equation 1 according to x

x = 35 - y : Equation 3

Keep the value of x from equation 3 in equation 2

2(35 - y) + 4y = 94

Preforming multiplication on Left Hand Side

70 - 2y + 4y = 94

Performing subtraction

2y = 94 - 70

2y = 24

y = 24 ÷ 2

Performing division

y = 12

Thus, there are 12 rabbits in the cage.

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40 min = 40/60 hr = 2/3 hr

Distance = x km

t=distance/speed

x/200+x/120=2/3

multiply by 6oo

3x+5x=400

8x=400

x = 400/8=50km

The journey is for 50km


pls giive brainliest\

Answer:

no

Step-by-step explanation:

Answer:

least common multiple is 180

Answer:

Answer is q = 2

Step-by-step explanation:

First make the equation with a constant so p=k/q

then substitute q to 6 and p to 23.

Then you have 23=k/6 and to find k multiply both sides to get k=138

next substitute p as 69=138/q then multiply q on both sides to get 69xq=138 and then divide 69 to 138 go get q which is 2

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Answer:

a. x > -1

b. x >= -2

c. x <= 3

d. x <= 0

Step-by-step explanation:

Answer:

c = −\(\frac{5}{3}\)

Step-by-step explanation:

Answer:

4.58

Step-by-step explanation:

$29.95(15%) = 4.4925+8.75% = 4.4925+0.0875 = 4.58

Answer:

10.9512

Step-by-step explanation:

Answer:

10.9512 (not sure if u have to round it)

Step-by-step explanation:

The mean for the number of people with the genetic mutation in a group of 800 is approximately 116.

For the mean for the number of people with the genetic mutation in groups of 800, we can multiply the proportion of the population with the mutation by the total number of people in each group.

We know that about 14.5% of the population has the genetic mutation, we can express this as a proportion by dividing 14.5 by 100: 0.145.

Next, we multiply this proportion by the total number of people in each group (800) to find the expected number of people with the genetic mutation in a group of 800:

Mean = Proportion × Total number of people

     = 0.145 × 800

     ≈ 116

Therefore, the mean for the number of people with the genetic mutation in a group of 800 is approximately 116.

This means that, on average, we would expect about 116 out of the 800 people randomly selected to have the genetic mutation where each eye has a different color.

However, it's important to note that this is an expected value and the actual number may vary in each group due to randomness.

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Answer:

96\(\sqrt{3}\) cm²

Step-by-step explanation:

A hexagon can be cut into 6 equilateral triangles.

Using the half shown in the diagram to calculate the apothem a , and the exact value

sin60° = \(\frac{\sqrt{3} }{2}\) , then

sin60° = \(\frac{opposite}{hypotenuse}\) = \(\frac{a}{8}\) = \(\frac{\sqrt{3} }{2}\) ( cross- multiply )

2a = 8\(\sqrt{3}\) ( divide both sides by 2 )

a = 4\(\sqrt{3}\) cm

The area (A) can be calculated using

A = \(\frac{1}{2}\) pa ( p is the perimeter of the hexagon )

The sides of the hexagon measure 8 cm ( equilateral Δ has congruent sides )

p = 6 × 8 = 48 cm, so

A = \(\frac{1}{2}\) × 48 × 4\(\sqrt{3}\) = 96\(\sqrt{3}\) cm²

Answer:

\(f^{-1}\)=\(\frac{\sqrt{3(x+1)} }{3}\)

Step-by-step explanation:

f(x) = 3\(x^{2}\) - |

Let y= 3\(x^{2}\)-1

Both side -1

y+1=3\(x^{2}\)  

\(x^{2}\)=    \(\frac{\sqrt{3(y+1)} }{3}\)

x=  \(\frac{\sqrt{3(y+1)} }{3}\)

\(f^{-1}\)=\(\frac{\sqrt{3(x+1)} }{3}\)

The independent variable of interest in an ANOVA procedure is called a factor. Hence (d).

The independent variable of interest in an ANOVA procedure is referred to as the factor. The factor represents the different categories or levels being compared to assess their impact on a dependent variable. It is the variable that is manipulated or controlled by the researcher to determine its effect on the outcome. In the context of ANOVA, the factor is typically a categorical variable that divides the data into distinct groups or treatments. These groups are compared to evaluate if there are statistically significant differences in the means of the dependent variable across the different levels of the factor. Therefore, the correct answer is factor(d).

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Answer:

17/20

Step-by-step explanation:

When performing hypothesis tests on a population, you need to consider the significance level (alpha) and compare it to the p-value. The significance levels you've mentioned are 0.10, 0.05, and 0.01.

The null hypothesis (H 0) states that there is no significant difference between the sample mean (x-bar) and the population mean.

To determine whether to accept or reject H 0, follow these steps:

1. Calculate the test statistic (e.g., t or z) using the sample data.
2. Determine the p-value associated with the test statistic.
3. Compare the p-value to each of the given alpha levels (0.10, 0.05, 0.01).

Now, for each of the three alpha values, you can decide to accept or reject H 0 as follows:

- If the p-value is less than or equal to the alpha value, you reject H0. This means there is sufficient evidence to suggest a significant difference between the sample mean and the population mean.
- If the p-value is greater than the alpha value, you fail to reject H 0. This means there is not enough evidence to support a significant difference between the sample mean and the population mean.

On the graphs, you can indicate the critical regions (rejection zones) for each alpha value. These regions represent the extreme values where H 0 would be rejected. The critical regions depend on the type of hypothesis test (one-tailed or two-tailed) and the distribution of the test statistic.

For each alpha value, if the test statistic falls within the critical region(s), you would reject H 0; otherwise, you would fail to reject H 0. Remember to maintain a professional, concise, and friendly approach when explaining your conclusions.

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The function \(y = xe^{(2x)} + Ce^z\) is the general solution to the differential equation \(y' = 2y + e^{(2x)}\). A particular solution satisfying y(0) = a is\(y = xe^{(2x)} + ae^z\).

To show that\(y = xe^{(2x)} + Ce^z\) is the general solution of the differential equation \(y' = 2y + e^{(2x)}\), we need to substitute y into the differential equation and verify that it satisfies the equation.

First, let's find y' by taking the derivative of y with respect to x:

\(y' = d/dx (xe^{(2x)}) + d/dx (Ce^z)\)

Using the product rule, we have:

\(y' = e^{(2x)} + 2xe^{(2x)} + C * d/dx (e^z)\)

Since the derivative of \(e^z\) with respect to x is zero, we have:

\(y' = e^{(2x)} + 2xe^{(2x)}\)

Now, substitute y and y' into the differential equation:

\(e^{(2x)} + 2xe^{(2x)} = 2(xe^{(2x)} + Ce^z) + e^{(2x)}\)

Simplifying, we find that the left side is equal to the right side, verifying that y is a solution to the differential equation.

To find a particular solution satisfying the initial condition y(0) = a, we substitute x = 0 into y:

\(y(0) = 0e^{(2*0)} + Ce^z = 0 + Ce^z = a\)

This implies that \(Ce^z = a\), and we can solve for C:

\(C = a/e^z\)

Therefore, a particular solution satisfying the initial condition is\(y = xe^{(2x)} + (a/e^z)e^z = xe^{(2x)} + ae^z.\)

In summary, \(y = xe^{(2x)} + Ce^z\) is the general solution, and a particular solution satisfying y(0) = a is \(y = xe^{(2x)} + ae^z\).

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Answer:

The equation for f(x)=|x| if it is what is the equation for f(x)= |x| shifted to the right 3 units and Shifted down 4 units is f(x)=|x-3|-4

Step-by-step explanation:

We need to write equation for f(x)=|x| if it is what is the equation for f(x)= |x| shifted to the right 3 units and Shifted down 4 units.

When the graph is shifted towards right h units the equation becomes f(x)=(x-h) using it for our scenario:

If x is shifted right 3 units it will become f(x)=|x-3|

When the graph is shifted down h units the equation becomes f(x)=x-h using it for our scenario:

and Shifted down 4 units the equation will become: f(x)=|x-3|-4

So, the equation for f(x)=|x| if it is what is the equation for f(x)= |x| shifted to the right 3 units and Shifted down 4 units is f(x)=|x-3|-4

The value of the x is 3.

What is the Exterior Angle Theorem?

If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.

If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.

We have,

∠EGF = 2x + 1

∠EFG = 25

∠GEF = 10x + 2

Exterior Angle Theorem:

The measure of exterior angle = Sum of two opposite interior angles’ measure.

According to the Exterior Angle property of a triangle theorem, the sum of measures of ∠EGF and ∠EFG would be equal to the exterior angle ∠GEF.

∴ ∠EGF + ∠EFG =  ∠GEF

   2x + 1 +  25 = 10x + 2

   2x +  26 = 10x + 2

   26 - 2 = 10x - 2x

   24 = 8x

    x = 24/8

   ∴   x = 3

Hence, the value of the x is 3.

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Answer:

base = 10cm and height = 10cm

Step-by-step explanation:

base + height = 20

base = height = 20/2= 10cm

Answer:

0.32727272727

Step-by-step explanation:

yeet