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aliya0001 [1]
2 years ago
7

What is 0+-4????????????

Mathematics
2 answers:
Fed [463]2 years ago
7 0
Integer Numbers -They are all positive and negative whole numbers, which do not include any fractional or decimal part.  

Consist of the set of numbers: {…-4, -3, -2, -1, 0, 1, 2, 3, 4…} 

If a number has no sign it usually means that it is a positive<span> number. 

Example {0,1,2,3,4,5,6.....}
</span>
<span>Adding and Subtracting integers 
</span>
       <span>      Adding integers</span>

(+)+(+) = + sum

(-)+(-) = - sum  

(+)+(-) or (-)+(+) = difference of numbers with signs of larger number in absolute value. 

           Subtracting Integers

(-)(-) = + sum 

(-)(+) = - sum 

Since 0 is a positive number and -4 is a negative number, we can represent them as (-)(+) = - sum 

0+(-4) Equation 

0-4   Simplify 

-4  = Solution
Mumz [18]2 years ago
4 0
0 + -4 = -4 

the 0 has no value and cannot add anything on top of the -4

So -4 stays the same:)

Answer = -4 

Good Luck! :)
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6 4/11 x2 1/12 Estimate the product
Aleksandr-060686 [28]

Answer:

The estimated product is 12.

Step-by-step explanation:

When rounding fractions, we can round them to 0, 1/2 or 1. 6 4/11 can be rounded to 6 since 4/11 isn't near the half of 11. 2 1/12 can be rounded to 2 since 1/12 is obviously close to 0. 6 x 2 = 12. The estimated product is 12.

7 0
3 years ago
A store pays $120 for a television. The store sells the television for $300. What is the percent of the markup
marta [7]

Answer: 150%

Step-by-step explanation:

A store buys a television for $120.

The store then sells the television for $300.

The makeup is the amount they increased the cost price by to get to the selling price.

= 300 - 120

= $180

In percentage terms it is:

= 180/120 * 100%

= 150%

8 0
3 years ago
Today, 32 customers at Tasha's Juice Emporium bought a total of 512 ounces of juice. How much juice did each customer buy on ave
Arturiano [62]
\frac{512 oz}{32 customers} = 16 ounces per customer
7 0
3 years ago
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Seth is trying to find the unit price for a package of blank compact discs on sale at 10 for $5.49. Find his mistake and correct
uysha [10]
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6 0
3 years ago
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. A right cylindrical drum is to hold 7.35 cubic feet of liquid. Find the dimensions (radius of the base and height) of the drum
Drupady [299]

Answer:

r=1.05\ \text{ft}

h=2.12\ \text{ft}

20.91\ \text{ft}^3

Step-by-step explanation:

r = Radius

h = Height

Volume of cylinder = 7.35\ \text{ft}^3

V=\pi r^2h\\\Rightarrow h=\dfrac{V}{\pi r^2}\\\Rightarrow h=\dfrac{7.35}{\pi r^2}

Surface area is given by

A=2\pi r^2+2\pi rh\\\Rightarrow A=2\pi r^2+2\pi r\dfrac{7.35}{\pi r^2}\\\Rightarrow A=2\pi r^2+\dfrac{14.7}{r}

Differentiating with respect to radius we get

\dfrac{dA}{dr}=4\pi r-\dfrac{14.7}{r^2}

Equating with zero we get

0=4\pi r-\dfrac{14.7}{r^2}\\\Rightarrow 4\pi r=\dfrac{14.7}{r^2}\\\Rightarrow r^3=\dfrac{14.7}{4\pi}\\\Rightarrow r=(\dfrac{14.7}{4\pi})^{\dfrac{1}{3}}\\\Rightarrow r=1.05

\dfrac{d^2A}{dr^2}=4\pi-2\times \dfrac{14.7}{r^3}\\\Rightarrow \dfrac{d^2A}{dr^2}=4\pi+2\times \dfrac{14.7}{1.05^3}\\\Rightarrow \dfrac{d^2A}{dr^2}=37.96>0

So, the value of the function is minimum at r=1.05

h=\dfrac{7.35}{\pi r^2}=\dfrac{7.35}{\pi 1.05^2}\\\Rightarrow h=2.12

So, the radius and height which would minimize the surface area is 1.05 feet and 2.12 feet respectively.

Surface area

A=2\pi r^2+2\pi rh\\\Rightarrow A=2\pi \times 1.05^2+2\pi 1.05\times 2.12\\\Rightarrow A=20.91\ \text{ft}^3

The minimum surface area is 20.91\ \text{ft}^3.

8 0
3 years ago
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