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svet-max [94.6K]
2 years ago
11

Which represents the polynomial written in standard form?

Mathematics
2 answers:
ra1l [238]2 years ago
7 0

Answer:

its A on edg

Step-by-step explanation:

follow my ifunny "dankmemehistory"

pshichka [43]2 years ago
3 0

Answer:

Option A.

Step-by-step explanation:

In order to write any polynomial in standard form, we need to check the degree of each term, then write each term in order of degree, from highest to lowest, left to right.

The given polynomial is

8x^2y^2-\dfrac{3x^3y}{2}+4x^4-7xy^3

Here, the combine degree of x and y in each term is 4.

If we arrange the terms according to the degree of x, then

4x^4-\dfrac{3x^3y}{2}+8x^2y^2-7xy^3

If we arrange the terms according to the degree of y, then

-7xy^3+8x^2y^2-\dfrac{3x^3y}{2}+4x^4

Hence, the correct option is A.

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Answer:

X=7

Step-by-step explanation:

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2 years ago
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A metal alloy is a metal made by blending 2 or more types of metal. A jeweler has supplies of two metal alloys. On alloy is 30%
tensa zangetsu [6.8K]

Answer:

He should combine 1 kg of 30% alloy and 3 kg of 10% alloy.

Step-by-step explanation:

Let x = mass of 30% ally.

Let y = mass of 10% alloy.

He needs 4 kg of alloy, so the first equation, dealing with masses, is

x + y = 4

Now we deal with the amount of gold.

He uses x mass of 30% gold alloy. The amount of gold in that mass is 0.3x.

He uses y mass of 10% gold alloy. The amount of gold in that mass is 0.1y.

The total mass of gold is 0.3x + 0.1y. We are told the told the end alloy is 4 kg of 15% gold alloy. That contains 0.15(4) kg = 0.6 kg of gold.

The second equation is

0.3x + 0.1y = 0.6

Now we put together the two equations as a system of equations.

x + y = 4

0.3x + 0.1y = 0.6

Multiply both sides of the second equation by -10.

-3x - y = -6

Add this equation to the first original equation.

         x + y = 4

+     -3x - y = -6

---------------------

        -2x    = -2

            x    = 1

Now substitute x = 1 in the first original equation and solve for y.

x + y = 4

x + y = 4

y = 3

Answer: He should combine 1 kg of 30% alloy and 3 kg of 10% alloy.

6 0
2 years ago
Andrei wants to fill a glass tank with marbles, and then fill the remaining space with water. WWW represents the volume of water
andre [41]

Answer:

32 Liters

Step-by-step explanation:

In the glass tank:

W = represents the volume of water Andrei uses (in liters)

n =Number of marbles

Given that: W=32-0.05n

The volume of the glass tank is the volume of the water in the tank plus the total volume of n marbles added.

Therefore:

W+0.05n=32

Volume of the tank =32 Liters

6 0
2 years ago
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Frogs a b c d had a jumping relay race how many centimeters did they jump altogether ? 27 centimeters 34, 25, 28?
inysia [295]
114.
Just add all of them and that's it :)
6 0
2 years ago
The function f(x) = xπ−−√ gives the diameter, in inches, of a proposed spherical sculpture with a surface area of x square inche
natka813 [3]

Answer:

The average rate of change of f(x) = 3.14 inches⁻¹

The change in f(x) = 49.32 in

Step-by-step explanation:

The surface area of the spherical sculpture = x and its diameter f(x) = πx.

The average rate of change of f(x) as x changes is df(x)/dx = π = 3.14

Now the change in diameter Δf(x) = df(x) = (df(x)/dx)dx = πdx  

dx = Δx = 28.3 in² - 12.6 in² = 15.7 in²

df(x) = π × 15.7 = 49.32 in

3 0
2 years ago
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