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lys-0071 [83]
3 years ago
7

A pentagonal prism has a volume of 448 cm3. If the height of the prism is 7 cm, what is the area of the base?

Mathematics
2 answers:
jekas [21]3 years ago
8 0
A = 64cm²
.....................
Artist 52 [7]3 years ago
4 0
64<span>cm² would be the answer to that question
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X=4<br> X= -6<br> Is it parallel ,perpendicular ,or neither
Irina-Kira [14]

Answer:

parallel

Step-by-step explanation:

x=4 and x=-6  are both vertical lines

Vertical lines are parallel (they both have undefined slopes)

6 0
3 years ago
How the solve 14% of 27
iogann1982 [59]

Answer:

3.78

Step-by-step explanation:

How you do this problem is by simply multiplying 14% by 27. You have to remember that 14% is equivalent to 0.14, so you have to do 0.14 * 27 and you will get 3.78.

7 0
3 years ago
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A box of ground nutmeg weighs 1 1/3 ounces. If there is 20 teaspoons of nutmeg in the box, how much does one teaspoon or nutmeg
Sever21 [200]

Answer:

(1 1/3)/20= 1 1/15

One teaspoon of nutmeg weighs 1 1/15 ounces.

7 0
4 years ago
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Add the following polynomial of x3+3xy-2×y2+y3,2×3-5x2y-3xy2-2y3<br>​
ANTONII [103]

The addition of the polynomial x^{3}+3xy-2xy^{2} +y^{3} with 2x^{3}-5x^{2} y-3xy^{2}-2y^{3} is  3x^{3}+3xy-5x^{2} y-5xy^{2}-y^{3}.

What is a polynomial?

⇒ A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

⇒ In the addition of polynomials, the like terms are added while in subtraction, the like terms are subtracted.

Calculation;

We have been given two polynomial which we have to add   x^{3}+3xy-2xy^{2} +y^{3} and 2x^{3}-5x^{2} y-3xy^{2}-2y^{3}

The sign after addition or subtraction will always be of the variable having more value.

(x^{3}+3xy-2xy^{2} +y^{3} )+(2x^{3}-5x^{2} y-3xy^{2}-2y^{3})

On adding like terms with each other

⇒ (x^{3} +2x^{3})+ 3xy-5x^{2} y-(2xy^{2}+3xy^{2})+(y^{3}-2x^{3})

⇒ 3x^{3}+3xy-5x^{2} y-5xy^{2}-y^{3}

Hence the addition of the polynomialx^{3}+3xy-2xy^{2} +y^{3} and 2x^{3}-5x^{2} y-3xy^{2}-2y^{3} is 3x^{3}+3xy-5x^{2} y-5xy^{2}-y^{3}.

Learn more about polynomial here :

brainly.com/question/1487158

#SPJ9

5 0
1 year ago
A passenger jet flies at an average speed of 548 miles per hour. At that speed, how many miles does the plane travel in 4 hours?
marishachu [46]
The plane travels 2192 miles.

You’re multiplying 548 x 4 because the plane travels 548 an hour.
4 0
3 years ago
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