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GuDViN [60]
4 years ago
12

HELPPP!!!! 110 points if you get it correct before the 4th of october!!!1

Mathematics
2 answers:
Angelina_Jolie [31]4 years ago
7 0

Answer:

the first one on the left, goes to the third one on the right. the second one on the left goes to the first one on the right. the third one on the left goes to the fourth one on the right. the first one on the left goes to the second one on the right. Sorry if this is confusing :(

skelet666 [1.2K]4 years ago
4 0

Answer:

5.7, 6.9, 5, 7.1

Step-by-step explanation:

The absolute value of a number shows its distance from 0 on the number line, meaning it must always be positive since distance is positive. You have to perform the operations indicated on each expression to the left and match it to the correct value on the right. I got 5.7, 6.9, 5, 7.1 in order from top to bottom after adding and subtracting the numbers to the left.

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What is the radius of a circle in which a 30° arc is 2π inches long?
son4ous [18]

First of all, let's recall that the full circumference is

C = 2\pi r

Now, since 30 is one twelfth of 360, a 30° arc will be one twelfth of the whole circumference. So, if you call the arc length A, you have

A = \cfrac{C}{12} = \cfrac{2 \pi r}{12} = \cfrac{\pi r}{6}

Since we know the arc length, we can build and solve the following equation:

\cfrac{\pi r}{6}  = 2\pi \iff \cfrac{r}{6} = 2 \iff r = 12

8 0
4 years ago
A cone has a radius of 5 inches and a height of 18 inches.
pychu [463]
It would be C., because to find the volume, you would have to multiply the radius by itself, to get the diameter. Then, the answer you get will have to be multiplied by the height.: 5 times 5 equals 25, and then 25 times 18 equals 450.
5 0
4 years ago
A rectangular piece of cardboard, 8 inches by 14 inches, is used to make an open top box by cutting out a small square from each
3241004551 [841]

Answer:

x = 1.64 in   the size of the side of the square

Step-by-step explanation:

Let call x side of the square to be cut from cornes, then:

First side of rectangular base

L = 14 - 2*x

And the other side

d = 8 -2*x

Then Volume of the box

V(b) = L*d*x

V(x) =  ( 14- 2*x ) * ( 8 -2*x)*x

V(x) = ( 112 -  28*x  -16*x + 4*x² )*x    ⇒  4*x³ - 44*x² + 112*x

Taking derivatives on both sides of the equation we get:

V´(x) = 12*x² - 88*x +112

V´(x) = 0       ⇒     12*x² - 88*x +112 = 0

A second degree equation, solvin it

3x² - 22*x +  28 = 0

x₁,₂ = [ 22 ± √484 - 336   ] / 6

x₁   =  (22 + 12,17) /6         x₂  =  ( 22 - 12.17 ) / 6

x₁   =  5.69     We dismiss this solution since it make side 8 - 2x  a negative length

 x₂  =  9.83/6      

x₂  =  1.64

Then x = x₂  = 1.64 in

7 0
3 years ago
Contribution Margin, Break-Even Sales, Cost-Volume-Profit Chart, Margin of Safety, and Operating Leverage
Mrrafil [7]

Answer:

Giving the following information:

Units sold= 450,000

Total Sales= $12,150,000

Total variable cost= $6,925,500

Total fixed cost= $3,242,673

First, we need to calculate the unitary selling price and variable cost. Then, we calculate the contribution margin.

Selling price= 12,150,000/450,000= $27

Unitary variable cost= 6,925,500/450,000= $15.39

Contribution margin per unit= 27 - 15.39= $11.61

To calculate the contribution margin ratio, we need to use the following formula:

Contribution margin ratio= contribution margin/ selling price

Contribution margin ratio= 11.61/27

Contribution margin ratio= 0.43

To calculate the break-even point both in units and dollars, we need to use the following formulas:

Break-even point in units= fixed costs/ contribution margin per unit

Break-even point in units= 3,242,673 / 11.61= 279,300 units

Break-even point (dollars)= fixed costs/ contribution margin ratio

Break-even point (dollars)= 3,242,673/0.43= $7,541,100

Finally, we need to incorporate the desired profit to the break-even point formula:

Break-even point in units= (3,242,673 + 426,087) / 11.61

Break-even point in units= 316,000 units

Step-by-step explanation:

7 0
3 years ago
1.1946 <br>1 Non-Repeating Decimal<br>2 Terminating Decimal <br>3Repeating Decimal​
irina [24]

A repeating decimal is something like 0.2727272727....  

It never end and keeps repeating forever.

Your number is not this.

A non-repeating decimal (also implying that it's non-terminating) is something that goes on forever without a repeating pattern.  

π  = 3.141592653589793... is a regular example.

Your number also isn't this, because your number stops after 4 decimal places.

Decimals that stop like that are called "terminating".

8 0
3 years ago
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