MATHEMATICS COLLEGE

Taylor can clean pools at a constant rate of 2/5 pools per hour how many pools can Taylor clean in 25 hours

Answers

Answer 1

Answer:

Step-by-step explanation:

2/5 = 0.4 pool per hour

When multiplied by 25 hours

0.4 x 25 = 10

He can clean 10 pools in 25 hours

Answer 2

Answer:

Answer:

qwerwertyuwerth

Step-by-step explanation:

1ettfgghhjjj just tryna get points

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The probability that the first production line stops is 0.5 while the probability that the second production line stops is 0.22 . If the production lines work independently of each other what is the probability that both lines are working at any given time ?
1/4÷(-2/3) =3/8 she is right now did she get the answer

What is an equation of the line that passes through the points (3,4) and (5,8)

Answers

Answer:

i think 5

Step-by-step explanation:

In the equation y=mx+b, 'm' is the slope of the line and 'b' is the y-intercept.

First, you should find the slope of the line. To do this, use the equation M=y2-y1/x2-x1. Using the two given points (3,6) and (8,4), you can solve for M.

M=4-6/8-3

M=-2/5 (-0.4 in decimal form)

Now, your equation is y=-0.4x+b

Next you must solve for b to find the y-intercept. You can do this by subbing one of the given points in for x and y.

Using the point (3,6):

y=-0.4x+b

6=-0.4(3)+b

6=-1.2+b

Isolate b:

6+1.2=b

b=7.2

And now you have the equation of the line!

y=-0.4x+7.2 (IN FRACTION FORM: y=-2/5x+36/5)

Suppose that det(a) = a b c d e f g h i = 2 and find the determinant of the given matrix. a b c −4d −4e −4f a + g b + h c + i

Answers

I'll go out on a limb and suppose you're given the matrix

$\mathbf A=\begin{bmatrix}a&b&c\nd&e&f\ng&h&i\end{bmatrix}$

and you're asked to find the determinant of $\mathbf B$ , where

$\mathbf B=\begin{bmatrix}a&b&c\n-4d&-4e&-4f\na+g&b+h&c+i\end{bmatrix}$

and given that $\det\mathbf A=2$ .

There are two properties of the determinant that come into play here:

(1) Whenever a single row/column is scaled by a constant $k$ , then the determinant of the matrix is scaled by that same constant;

(2) Adding/subtracting rows does not change the value of the determinant.

Taken together, we have that

$\det\mathbf B=-4\det\mathbf A=-8$

Final answer:

Due to insufficient information, we cannot calculate the determinant of the given matrix. The determinant calculation varies based on the matrix's size and the specifics of its elements.

Explanation:

The question asked was to find the determinant of a given matrix when the det(a) = 2. However, the information provided is insufficient to determine the actual matrix determinant due to numerical errors and unrelatable data. The determinant of a matrix is calculated differently depending on the type of matrix. For a 2x2 matrix, if the matrix is [a b; c d], the determinant would be 'ad - bc'. For a 3x3 matrix, the determinant process involves more steps including finding minors and cofactors of matrix elements. However, without the actual specifics of the matrix, the determinant cannot be calculated.

Learn more about Determinant of a matrix here:

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The question is in the pic pls help

Answers

Answer:

pink

Step-by-step explanation:

3 less than a number b divided by 2

Answers

Answer:

The equation would be written as fallowed

f(d)=d/2-3

Step-by-step explanation:

HELP! Which expression is equivalent to a^b/c

Answers

Answer:

${ \rm{ {a}^{ (b)/(c) } \: \dashrightarrow \: ( {a}^(b)) {}^{ (1)/(c) } }} \n \n { \boxed{ \rm{ \boxed{} \: \: \sqrt[c]{ {a}^(b) } }}} \n$

Simplify 2^3 + 6^1 =

Answers

Answer:

Step-by-step explanation:

2^3=8

6^1=6

8+6=14

Answer:

2^3+6^1

8+6

Step-by-step explanation:

2^3 can be expanded to 2x2x2 which equals 8

6^1 can be expanded to 6x1 which is 6

2^3+6^1 can be simplified to to 8+6

8+6 is 14

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