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Help i need to finish it today And can you explain the steps so i wont need help next time or if you don’t want to its okay :)

romanna [79]

Answer:

110 feet

Step-by-step explanation:

The formula to find the area of a rectangular prism is A = 2 (wl + hl + hw)

Substitute the values:

A = 2 (5x5 + 3x5 + 3x5)

A = 2 (25 + 15 + 15)

A = 2 (55)

A = 110

6 0

3 years ago

Need help finding the value for A

Monica [59]

Answer:

$\text{n}(A \bigcup B)$ = 6.

Step-by-step explanation:

We are given that n(A) = 4, n(B) = 5, and $\text{n}(A \bigcap B)$ = 3.

And we have to find the value of $\text{n}(A \bigcup B)$ .

<u>As we know that the union formula is given by;</u>

$\text{n}(A \bigcup B) = \text{n}(A) + \text{n}(B) - \text{n}(A \bigcap B)$

Now, substituting the values given in the question in the above formula, we get;

$\text{n}(A \bigcup B) = 4+5-3$

$\text{n}(A \bigcup B) = 9-3$

$\text{n}(A \bigcup B) = 6$

Hence, the value of $\text{n}(A \bigcup B)$ = 6.

6 0

3 years ago

Tobias is making scones. The recipe calls for 2/3 cup of flour to make 6 scones. What is the unit rate for cups of flour per sco

MA_775_DIABLO [31]

Answer:

A. 1/9 cup of flour per scone.

B. 9 scones per cup of flour.

Step-by-step explanation:

We're given that Tobias uses 2/3 cup of flour makes 6 scones.

A. The unit rate of cup of flour per scone will be the cup of flour used to make a particular number of scones divided by that number of scones. Mathematically,

U. R. = (cup of flour)/(number of scones)

U. R. = (2/3)/6= 2/(3 *6)

U. R. = 2/18 = 1/9 or 0.11 scones per cup of flour.

B. (i) Method 1

Following the same method we used in (A) above, we need to divide the number of scones by the cup of flour used to make said number of scones. Mathematically,

U. R. = (number of scones)/(cup of flour)

U. R. = 6/(2/3) = (6 * 3)/2

U. R. = (6 * 3)/2 = 18/2

U. R. = 9 scones per cup of flour.

(ii) Method 2

Let the number of scones that can be made with 1 cup of flour(Unit rate for number of scones per cup of flour) be x. Then:

2/3 cup of flour = 6 scones

1 cup of flour = x scones

By cross multiplying and solving:

x = (6 * 1) / (2/3)

x = (6 * 3) / 2

x = 18/2 = 9 scones per cup of flour.

6 0

3 years ago

What is the y-intercept of the function, represented by the table of values

soldi70 [24.7K]

Answer:

8

Step-by-step explanation:

The y-intercept (b) of the function is the point at which the line of the graph of the given values of the table above crosses the y-axis, for which x = 0.

To find the y-intercept of the function represented by the tables, recall the equation of a straight line which is given as:

y = mx + b

Where, m is the slope = (y2 - y1)/(x2 - x1)

b = the y-intercept we are to find

y and x could be any values of a point on the graph which is represented in the table of values.

First, let's find the slope (m):

Let's use any 2 given pairs of the values in the table above.

Using,

(1, 4), (2, 0),

y1 = 4,

y2 = 0

x1 = 1

x2 = 2

m = (0 - 4)/(2 - 1)

m = -4/1 = -4

=>Using, y = mx + b, let's find the y-intercept (b), taking any of the coordinate pairs from the table of values given.

Let's use, (1, 4) as our x and y values.

Thus,

4 = -4(1) + b

4 = -4 + b

Add 4 to both sides to solve for b

4 + 4 = -4 + b + 4

8 = b

y-intercept of the function represented by the table of values = 8

8 0

3 years ago

Order of operations with negative numbers!

denis-greek [22]

Please excuse my dear aunt Sally. Parenthesis, exponents, multiplication, division, addition, subtraction.

7 0

3 years ago

Change 04:35 to 12 hours clock time​

Change 04:35 to 12 hours clock time