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2 years ago

Mark, Bridget and Sushil share £14 in a ratio 2:3:2. How much money does each person get?

Mathematics

1 answer:

icang [17]2 years ago

5 0

Answer:

Mark = 4, Bridget = 6, Sushil = 4

Step-by-step explanation:

You can add up all of the ratios, which is 7, and do 14/7 to find how much each ratio has in terms of money. So if someone had a ratio of 1, they would get a dollar, and since Mark and Sushil has 2, they get 4 dollars. (I'm American Sorry.)

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The ANOVA procedure is a statistical approach for determining whether or not the means of:______.

Mandarinka [93]

Answer:

a. two or more samples are equal.

Step-by-step explanation:

ANOVA (Analysis of Variance) is a statistical procedure that could be used to compare two or more population means are equal.

Remember, the means referred to here is the expected value or average value of a set of numbers, which is calculated by summing the values in a given set divided by the number of values. Also, put simply, the analysis of variance is a measure of how much differences exist out a data set.

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2 years ago

The normal curve with a mean of 0 and standard deviation of 1 is called?

Schach [20]

Answer:

A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution. so its A

Step-by-step explanation:

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2 years ago

Find the curl of ~V ~V = sin(x) cos(y) tan(z) i + x^2y^2z^2 j + x^4y^4z^4 k

ch4aika [34]

Given

$\vec v = f(x,y,z)\,\vec\imath+g(x,y,z)\,\vec\jmath+h(x,y,z)\,\vec k \\\\ \vec v = \sin(x)\cos(y)\tan(z)\,\vec\imath + x^2y^2z^2\,\vec\jmath+x^4y^4z^4\,\vec k$

the curl of $\vec v$ is

$\displaystyle \nabla\times\vec v = \left(\frac{\partial h}{\partial y}-\frac{\partial g}{\partial z}\right)\,\vec\imath - \left(\frac{\partial h}{\partial x}-\frac{\partial f}{\partial z}\right)\,\vec\jmath + \left(\frac{\partial g}{\partial x}-\frac{\partial f}{\partial y}\right)\,\vec k$

$\nabla\times\vec v = \left(4x^4y^3z^4-2x^2y^2z\right)\,\vec\imath \\\\ - \left(4x^3y^4z^4-\sin(x)\cos(y)\sec^2(z)\right)\,\vec\jmath \\\\ + \left(2xy^2z^2+\sin(x)\sin(y)\tan(z)\right)\,\vec k$

$\nabla\times\vec v = \left(4x^4y^3z^4-2x^2y^2z\right)\,\vec\imath \\\\ + \left(\sin(x)\cos(y)\sec^2(z)-4x^3y^4z^4\right)\,\vec\jmath \\\\ + \left(2xy^2z^2+\sin(x)\sin(y)\tan(z)\right)\,\vec k$

7 0

2 years ago

What is the slope (2,6) (-1, -5)

egoroff_w [7]

answer is 11/3.

HOPE THIS HELPS
mark me brainleist pls

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2 years ago

There are several marbles in a bag: two red, four green, one blue, and five yellow. What is the probability of randomly drawing

GREYUIT [131]

Answer:

The probability is 5/36

Step-by-step explanation:

The total number of marbles is 2 + 4 + 1 + 5 = 12 marbles

The probability of randomly drawing a green marble would be

number of green marble/total number of marbles = 4/12 = 1/3

Now since we are replacing the total number of marbles stays the same

so, the probability of drawing a yellow marble now will be ;

number of yellow marbles/total number of marbles = 5/12

So the total probability we are having here would be; 1/3 * 5/12 = 5/36

5 0

3 years ago