# The area of a square ice rink is 404 square yards. To the nearest yard,what is the perimeter of the rink.

QUESTION POSTED AT 05/12/2019 - 05:10 PM

QUESTION POSTED AT 05/12/2019 - 05:10 PM

The perimeter of the square is 80 yards

For this question the answer is 2.5m (B)

You find this by: L=0.85m

W=0.4m

A rectangle had 4 sides (2 lengths and 2 widths)

So...

To find 1 length and 1 Width you do 0.85+0.4=1.25m

Now you want to find the other 2 sides (L and W)

You can do: the same method and add it to 1.25m OR...

You can do (I prefer this one): (0.85+0.4)x2=?

This is the same as 0.85+0.4=1.25

1.25x2=2.5m

You find this by: L=0.85m

W=0.4m

A rectangle had 4 sides (2 lengths and 2 widths)

So...

To find 1 length and 1 Width you do 0.85+0.4=1.25m

Now you want to find the other 2 sides (L and W)

You can do: the same method and add it to 1.25m OR...

You can do (I prefer this one): (0.85+0.4)x2=?

This is the same as 0.85+0.4=1.25

1.25x2=2.5m

ANSWERED AT 18/01/2020 - 07:41 AM

QUESTION POSTED AT 18/01/2020 - 07:41 AM

**Answer:**

C. 4.12%

**Step-by-step explanation:**

ANSWERED AT 18/01/2020 - 07:41 AM

QUESTION POSTED AT 18/01/2020 - 07:41 AM

Its actually** C. 372. **I just took the test

ANSWERED AT 18/01/2020 - 07:39 AM

QUESTION POSTED AT 18/01/2020 - 07:39 AM

**Answer:**

D

**Step-by-step explanation:**

ANSWERED AT 18/01/2020 - 07:38 AM

QUESTION POSTED AT 18/01/2020 - 07:38 AM

As this is a unitless problem, let us try to deal with it as if it does have units. Since we are already given the length and width of a rectangle, we can solve for the area by multiplying. After getting the area, we divide this by the area a wheelbarrow can cover to obtain the expression for how many wheelbarrows we need.

Rectangle length = 10x^2 + 90x

Rectangle width = 5x^2

Rectangle area = length * width = 5x^2(10x^2 + 90x)

Rectangle area = 50x^4 + 450x^2

Dividing:

_5x^2_+_45____10x^2|50x^4 + 450x^2 50x^4 -------- 450x^2 450x^2 --------- 0

Therefore, the expression for how many wheelbarrows are to be used is 5x^2 + 45 wheelbarrows.

Rectangle length = 10x^2 + 90x

Rectangle width = 5x^2

Rectangle area = length * width = 5x^2(10x^2 + 90x)

Rectangle area = 50x^4 + 450x^2

Dividing:

_5x^2_+_45____10x^2|50x^4 + 450x^2 50x^4 -------- 450x^2 450x^2 --------- 0

Therefore, the expression for how many wheelbarrows are to be used is 5x^2 + 45 wheelbarrows.

ANSWERED AT 18/01/2020 - 07:33 AM

QUESTION POSTED AT 18/01/2020 - 07:33 AM

Answer :

Given expression is

To make perfect square trinominal we use completing the square method

In completing the square method we add and subtract the half of square of coefficient of middle term

Here coefficient of middle term is -7

Half of -7 is

Square of is =

So the expression becomes that gives perfect square trinomial

Hence , the value of 'c' is

ANSWERED AT 18/01/2020 - 07:30 AM

QUESTION POSTED AT 18/01/2020 - 07:30 AM

**Answer:**

66 pieces.

**Step-by-step explanation:**

first I'm going to convert the mixed number in a rational number.

Susan wants to cut the pieces of 1/4 yard long. We have the following formula

long of each piece = total long ÷ number of pieces

number of pieces = total long ÷ long of each piece.

Then, we replace the data in the second formula

Then, she can cut 66 pieces.

ANSWERED AT 18/01/2020 - 07:29 AM

QUESTION POSTED AT 18/01/2020 - 07:29 AM

A.13 and 14 because 13 squared is 169 and 14 squared is 196.

ANSWERED AT 18/01/2020 - 07:27 AM

QUESTION POSTED AT 18/01/2020 - 07:27 AM

**Answer:**

The total number of solutions is one

**Step-by-step explanation:**

we have

To solve the system of equations equate f(x) and g(x)

The solution of the system of equations is the intersection points both graphs

Using a graphing tool

see the attached figure

The solution of x

There is only one point of intersection both graphs

therefore

The total number of solutions is one

ANSWERED AT 18/01/2020 - 07:23 AM

QUESTION POSTED AT 18/01/2020 - 07:23 AM

It would b 2/3 and the other one 2/4

ANSWERED AT 18/01/2020 - 07:23 AM

QUESTION POSTED AT 18/01/2020 - 07:23 AM

22 - (7 + 9) = 6 feet

ANSWERED AT 18/01/2020 - 07:18 AM

QUESTION POSTED AT 18/01/2020 - 07:18 AM

The perimeter is 78ft. You do 12 times 2 plus 22 time 2 because a rectangle has 2 sets of equal sides.

ANSWERED AT 18/01/2020 - 07:18 AM

QUESTION POSTED AT 18/01/2020 - 07:18 AM

The surface area of a rectangular prism is this:

SA = LW + LH + LH

Here are the changes:

L --> (2/3)L

W --> 4W

H --> H/2

So, the new surface area is:

SA' = (2/3)L (4W) + (2/3)L (H/2) + 4W (H/2)

SA' = (8/3) LW + (1/3) LH + 2 WH

SA = LW + LH + LH

Here are the changes:

L --> (2/3)L

W --> 4W

H --> H/2

So, the new surface area is:

SA' = (2/3)L (4W) + (2/3)L (H/2) + 4W (H/2)

SA' = (8/3) LW + (1/3) LH + 2 WH

ANSWERED AT 18/01/2020 - 07:16 AM

QUESTION POSTED AT 18/01/2020 - 07:16 AM

The basic definition of a perimeter is the boundary line of an object. For shapes and figures, this is basically the sum of the outermost sides that define the object. Since an octagon has eight sides, with each side measuring 12m, the perimeter can be obtained by multiplying 12 m by 8 sides, or in equation form:

P = 8(12)

Among the choices, this is letter B.

P = 8(12)

Among the choices, this is letter B.

ANSWERED AT 18/01/2020 - 07:14 AM

QUESTION POSTED AT 18/01/2020 - 07:14 AM

we will isolate that right triangle marked off with the little angle thing.

We know that, in that right triangle, one of the legs measures 22 ft, and the angle (adjacent) to it, meausres 9.2 degreesIn this case, tan9.2=x/22 where x is that unkown length

cross multiply.

your final answer is equal to x+5.6

We know that, in that right triangle, one of the legs measures 22 ft, and the angle (adjacent) to it, meausres 9.2 degreesIn this case, tan9.2=x/22 where x is that unkown length

cross multiply.

your final answer is equal to x+5.6

ANSWERED AT 18/01/2020 - 07:13 AM

QUESTION POSTED AT 18/01/2020 - 07:13 AM

**Answer:**

**Option (c) 7.6 cm is the correct answer**

**Step-by-step explanation:**

Three sides of a quadrilateral measure 2.5 cm, 1.8 cm, and 9 cm.

Perimeter of the quadrilateral is 29.9 cm

Then we have to find the length of 4th side.

Since perimeter of any quadrilateral = sum of all four sides

so by using this formula

20.9 = 13.3 + x

x = 20.9 - 13.3

x = 7.6 cm

**Option (c) 7.6 cm is the correct answer**

ANSWERED AT 18/01/2020 - 07:13 AM

QUESTION POSTED AT 18/01/2020 - 07:13 AM

The height is 12 feet.
The formula for volume for a pyramid is V=1/3Bh.
*the big "b" means you have to find the area of the base=4.
8=1/3×2×h
-- -----------
2 2
(3) 4=1/3×h (3)
12=h

ANSWERED AT 18/01/2020 - 07:11 AM

QUESTION POSTED AT 18/01/2020 - 07:11 AM

The *correct answers* are:

B=(xy + x)(xy + x) ; C=(2x – 3)(–3 + 2x) ; and E=(4y² + 25)(25 + 4y²)

**Explanation**:

In order to have a perfect square trinomial, we must multiply two binomials that are exactly the same. For (xy+x)(xy+x), are multiplying two identical binomials.

For (2x-3)(-3+2x), we are multiplying two binomials that are the same but written in a different order. The same is true of (4y² + 25)(25 + 4y²).

ANSWERED AT 18/01/2020 - 07:11 AM

QUESTION POSTED AT 18/01/2020 - 07:11 AM

3.2

...........

............

:)

...........

............

:)

ANSWERED AT 18/01/2020 - 07:10 AM

QUESTION POSTED AT 18/01/2020 - 07:10 AM

C because 23.6 times two is 47.4 and 52.9 times two is 105.8, add those two together to get c

ANSWERED AT 18/01/2020 - 07:04 AM

QUESTION POSTED AT 18/01/2020 - 07:04 AM

Let's rewrite the given fraction 12/17 to a decimal number. Then Let's round to the nearest thousandth.

To do that, divide the numerator by the denominator.

=> 12 / 17

=> 0.7058

Le's round this to

=>0.706

To do that, divide the numerator by the denominator.

=> 12 / 17

=> 0.7058

Le's round this to

=>0.706

ANSWERED AT 18/01/2020 - 07:04 AM

QUESTION POSTED AT 18/01/2020 - 07:04 AM

Express each ratio as a fraction in simplest form.2 yards to 45 feet

First, let's convert feet to yard to get the answer

=> 2 yard = x yard

=> 1 foot = 0.333333 yard.

=> 0.333333 yard * 45 = 15 yards, thus the answer is

=> 2/15

First, let's convert feet to yard to get the answer

=> 2 yard = x yard

=> 1 foot = 0.333333 yard.

=> 0.333333 yard * 45 = 15 yards, thus the answer is

=> 2/15

ANSWERED AT 18/01/2020 - 07:03 AM

QUESTION POSTED AT 18/01/2020 - 07:03 AM

Round each addend to the nearest whole number and estimate the sum.19.43 + 11.5 + 3.08

=> 19.43 = 19 nearest whole number

=> 11.5 = 12 Nearest whole number

=> 3.08 = 3 nearest whole number

=> 19 + 12 + 3 = 34 is the estimated whole number sum.

=> 19.43 = 19 nearest whole number

=> 11.5 = 12 Nearest whole number

=> 3.08 = 3 nearest whole number

=> 19 + 12 + 3 = 34 is the estimated whole number sum.

ANSWERED AT 18/01/2020 - 06:52 AM

QUESTION POSTED AT 18/01/2020 - 06:52 AM

**Answer:**

Jaden has to plant the geranium in the** circumcentre **of the triangular yard in order such that it is equidistant from all its vertices.

**Step-by-step explanation:**

In Jaden’s yard, there is a triangular garden patch. He wants to plant a geranium in the patch at a point equidistant from all its vertices.

** ****" The CIRCUMCENTER (C) of a triangle is the point in the plane equidistant from the three vertices of the triangle "**

**Hence Jaden has to plant the geranium in the circumcentre of the triangular yard in order such that it is equidistant from all its vertices.**

ANSWERED AT 18/01/2020 - 06:49 AM

QUESTION POSTED AT 18/01/2020 - 06:49 AM

**Answer:**

72.8

**Step-by-step explanation:**

The tenth is the immidiate number after the decimal point, so if you are rounding tho the nearest tenth, you have to remember that if you have any number from 5-9 you have to round up, and if you have any number from 1-4 you have to round down, in this case as you have a .807, it´s a ,07 you have to round down to 72.8

ANSWERED AT 18/01/2020 - 06:47 AM

QUESTION POSTED AT 18/01/2020 - 06:47 AM

**Answer:**

The treatment is the **sugar **that is added to the water.

ANSWERED AT 18/01/2020 - 06:44 AM

QUESTION POSTED AT 18/01/2020 - 06:44 AM

The second choice 16y2 - x2 shows a difference of squares.

factoring the second choice results to (4y-x)(4y+x) which results to the difference between 4y and x.

the first choice also shows a difference in the square however sqrt10 is not a perfect radical.

factoring the second choice results to (4y-x)(4y+x) which results to the difference between 4y and x.

the first choice also shows a difference in the square however sqrt10 is not a perfect radical.

ANSWERED AT 18/01/2020 - 06:43 AM

QUESTION POSTED AT 18/01/2020 - 06:43 AM

As the rug is circular, we only have to solve for the area of a circle. This is given by the following formula:

Area = pi * r^2

Where: pi = 3.1416

r = radius = 3ft

Area = 3.1416 * (3)^2

Area = 28.27 ft^2

The rug will cover about 28.27 ft^2 of the kitchen floor.

Area = pi * r^2

Where: pi = 3.1416

r = radius = 3ft

Area = 3.1416 * (3)^2

Area = 28.27 ft^2

The rug will cover about 28.27 ft^2 of the kitchen floor.

ANSWERED AT 18/01/2020 - 06:43 AM

QUESTION POSTED AT 18/01/2020 - 06:43 AM

(12z^2 + 25z + 12)/(3z^2 - 2z - 8)
You have to factor it. You know how to factor it right?
(12z^2 + 16z + 9z + 12)/(3z^2 - 6z + 4z - 8)
(4z(3z + 4) + 3(3z + 4))/(3z(z - 2) + 4(z - 2))
((4z + 3)(3z + 4))/((3z + 4)(z - 2))
(4z + 3)/(z - 2)

ANSWERED AT 18/01/2020 - 06:42 AM

QUESTION POSTED AT 18/01/2020 - 06:42 AM

**Answer:**

(D)

**Step-by-step explanation:**

The given expression can be written as:

From this, it can be seen that the denominator of the given fraction consists of variables x and y and z which cannot be removed by simplifying the fraction due to which the given fraction cannot act as a polynomial as polynomial do not contain variables in the denominator if the fraction.

**Thus, option D is correct that is The expression has a variable in the denominator of a fraction.**

ANSWERED AT 18/01/2020 - 06:42 AM

QUESTION POSTED AT 18/01/2020 - 06:42 AM