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Aneli [31]
3 years ago
15

the length of the rectangular classroom floor is 19 feet less than twice the width write an expression to represent the area of

the floor
Mathematics
2 answers:
Ivenika [448]3 years ago
5 0
-19ft - 2w
this is the answer i souppose
madreJ [45]3 years ago
4 0
9 length long there you go
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a rectangular fish pond fish pond is 21 square feet in area. if the owner can surround the pond with a 20-foot fence, what are t
Ksivusya [100]

The perimeter is 20 feet, half the perimeter Would be 10 feet.

Need 2 numbers when added together equal 10 and when multiplied together equal the area of 21.

3 and 7 The pond is 3 feet by 7 feet.

5 0
3 years ago
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Jasmyn is standing at the point of tangency to a wishing
timofeeve [1]

Answer:

The value of   x=17 ft.

Step-by-step explanation:

Diagram of the given scenario shown below.

Given that,

Distance from bench to Jasmyn is   PA=27ft.

Distance from bench to Willard is PB=(2x-7)ft.

From the Question,

The given wishing well is a circle and all the distance are tangent to the circle.

So, Triangle formed by these points are such as ΔPAO and ΔPBO.

Now, taking both ΔPAO and ΔPBO.

   ⇒             AO = BO                                     {Radius of circle are equal}

   ⇒             PO=PO                                     {Common side}

   ⇒          ∠PAO = ∠PBO                              {radius is always perpendicular                                                                          

                                                                           to the point of tangent }

∴            ΔPAO ≅ ΔPBO                                  {By SAS congruence theorem}

Therefore,   PA=PB         ....(1)                             {corresponding part of

                                                                           congruence triangle (CPCT)}

Thus,

   ⇒                2x-7=27                                 {from equation (1)}

   ⇒                      2x=34    

   ⇒                        x=17 ft

Hence, The value of   x=17 ft.

6 0
4 years ago
What does x equal in 1/3(6-9x)=-1/5(15x-10)?​
Darya [45]

Answer:

True for all x.

Step-by-step explanation:

1. Expand 1/3(6-9x)

2-3x

2. Expand -1/5(15x-10)

-3x+2

3. Subtract 2 from both sides.

2-3x-2 = -3x+2-2

4. Simplify.

-3x = -3x

5. Add 3x to both sides.

-3x + -3x = -3x + -3x

6. Simplify.

0=0

Both sides are equal, so it is true for all x.

4 0
3 years ago
What is the slope of this line
kondaur [170]
The slope is-2/-2 because of the y and x axis


7 0
3 years ago
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Whats the unit rate for $2.50 for 5 ounces
kumpel [21]

For this case what we should do is find the cost per ounce.

For this, we can use the following rule of three:

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1 oz ------------------------> x

From here, we clear the value of x.

We have then:

x = (\frac{1}{5}) * (2.50)\\x = 0.5

Answer:

The unit cost per ounce is given by:

x = 0.5 $ / ounce

4 0
3 years ago
Read 2 more answers
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