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GalinKa [24]
2 years ago
13

What is the answer for number 10

Mathematics
1 answer:
balandron [24]2 years ago
6 0

Answer:

b

Step-by-step explanation:

b just honestly looks right and its my lucky letter so yaa...

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<img src="https://tex.z-dn.net/?f=x%20%2B%20y%20%3D%209%20%2B%202x%20-%203y%20%3D%208" id="TexFormula1" title="x + y = 9 + 2x -
Vadim26 [7]

Answer:

(7,2)

Step-by-step explanation:

x + y = 9 + 2x - 3y = 8 is really two equations, and you should show this by separating x + y = 9 from 2x - 3y = 8 through the use of a comma, or the word "and," or through writing only one equation per line.

Here you have the system of linear equations

 x +   y =  9

2x - 3y = 8.

Let's solve this system by elimination.  Mult. the 1st eqn by 3, obtaining the system

3x + 3y = 27

2x - 3y =    8

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

5x = 35, so that x = 7.  Subbing 7 for x in x + y = 9, we get 7 + y = 9, indicating that y = 2.

Thus, the solution to this system of equations is (7,2).


6 0
3 years ago
lol Barney has 16 1 yards of fabric. To make an elf costume, he needs 5 5 2 yards of fabric. How many costumes can Barney make?
ioda
Well i happen to have that question and it is that he has 16 1/5 fabric and need 5 2/5 to make an elf costume. how many costumes can he make? Well so basically all you have to do is 16 1/5 divided by 5 2/5, which is: 3. The answer is 3 hope this helped! 
7 0
3 years ago
HELPP PLEASE ILL MAKE YOU THE BRAINIEST Find the area of the rhombus
iogann1982 [59]

Answer:

D1×D2/2sq

445×5= 225

225/2

=112.5

5 0
2 years ago
Please tel me answer of under root 3+4i<br> without calculatot with steps
Mila [183]

Answer:

_____ is used to find a certain information from the list?Cell address used in formula is also called as _____?

3 0
3 years ago
Read 2 more answers
What is 3x + 10(1-7X)
Alinara [238K]

Answer:

-67x + 10

Step-by-step explanation:

3x + 10(1 - 7x)

(use distributive property)

3x + 10 - 70x

(simplify)

3x - 70x + 10

-67x + 10

5 0
3 years ago
Read 2 more answers
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