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ipn [44]
2 years ago
5

Can someone please help me?

Mathematics
1 answer:
melomori [17]2 years ago
7 0

Answer:

Hello! answer: 21.4

Hope that helps!

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What is the solution of the system? Use the elimination method. 2x+y=206x−5y=12 Enter your answer in the boxes.
astraxan [27]

Answer:

The answer to your question is:   x = 7; y = 6

Step-by-step explanation:

                                             2x+y=20             ( 1 )  Multiply by 5

                                             6x−5y=12            ( 2 )

                               5 (2x+y=20)    = 10x + 5y = 100

                                          10x + 5y = 100

                                            6x − 5y =   12             Eliminate y

                                          16 x        = 112

                                           x = 112 / 16

                                           x = 7

                                 2(7) + y = 20                 Substitution

                                 14 + y = 20

                                 y = 20 - 14

                                 y = 6

7 0
3 years ago
Which terms could be used as the last term of the expression below to create a polynomial written in standard form? Check all th
kogti [31]
A polynomial is said to be in standard form if it is written in the order of degree from highest to lowest from left to right.

The degree of a term of a polynomial is the exponent of the variable or the sum of the exponents of the variables of that term of the polynomial.

Thus, given the expression
-5x^2y^4 + 9x^3y^3+\_\_\_

-5x^2y^4 has a degree of 6, and
9x^3y^3 has a degree of 6.

Thus, the exponent of the variable or the sum of the exponents of the variables of the next term of the polynomial must be less than or equal to 6 for the polynomal to be said to be in standars form.

Therefore, the <span>terms that could be used as the last term of the given expression to create a polynomial written in standard form are
x^5, \\  \\ &#10;y^5, \\  \\ &#10;6x^4y, \ and \\  \\ &#10;-xy^5</span>
7 0
2 years ago
Read 2 more answers
Plzz help no. 6 rate
Makovka662 [10]

Step-by-step explanation:

If 200 g fertiliser required for 8 m^2 then for 1m^2 we'd need 25 g of fertiliser

(i) 14×25 = 350 g fertiliser would be needed for 14 m^2 land

(ii) 450÷25 = 18 m^2 land could be fertilised with 450 g fertiliser

3 0
2 years ago
What is the length of the hypotenuse? If necessary, round to the nearest tenth.
Tatiana [17]

Answer: 9.4

Explanation: 8.4^2+4.3^2=

70.56+18.49=89.06

square root of 89.06 is 9.437

9.4 rounded off

7 0
2 years ago
Read 2 more answers
Help to solve math,<br> I have not solve
aivan3 [116]
...........Hope this helps :)

7 0
3 years ago
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