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3 years ago

-1/9 + (-5/9) = Write the answer in simplest form

Mathematics

2 answers:

lyudmila [28]3 years ago

8 0

-2/3 is the simplest form. Hope this helped :)

Vlada [557]3 years ago

6 0

I got the answer - 2/3

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Arrange the systems of equations that have a single solution in Increasing order of the x-values in their solutions.

NemiM [27]

Complete question is;

Arrange the systems of equations that have a single solution in Increasing order of the x-values in their solutions.

1) 2x + y = 10

x - 3y = -2

2) x + 2y = 5

2x + y = 4

3) x + 3y = 5

6x - y = 11

4) 2x + y = 10

-6x - 3y = -2

Answer:

Arranging the systems in increasing value of x gives;

System 2, system 3, system 1

Step-by-step explanation:

1) 2x + y = 10 - - - (eq 1)

x - 3y = -2 - - - (eq 2)

Multiply eq 1 by 3 to get;

6x + 3y = 30

Add it to eq 2 to get;

7x = 28

x = 28/7

x = 4

2) x + 2y = 5 - - - (eq 1)

2x + y = 4 - - - (eq 2)

Multiply eq 2 by 2 to get;

4x + 2y = 8

Subtract eq 1 from it to get;

3x = 3

x = 3/3

x = 1

3) x + 3y = 5 - - - (eq 1)

6x - y = 11 - - - (eq 2)

Multiply eq 2 by 3 to get;

18x - 3y = 33

Add to eq(1) to get;

19x = 38

x = 38/19

x = 2

4) 2x + y = 10 - - - (eq 1)

-6x - 3y = -2 - - - (eq 2)

Make y the subject in eq 1 to get;

y = 10 - 2x

Put in eq (2);

-6x - 3(10 - 2x) = -2

-6x - 30 + 6x = -2

0 = 0

Thus,no solution exists.

Arranging the systems in increasing value of x gives;

System 2, system 3, system 1

3 0

3 years ago

Try Again<br> ESC<br> Three consecutive even integers have a sum of 18. Find the integers.

IRISSAK [1]

Answer:

Step-by-step explanation: 6,2,3

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3 years ago

An acute angle of a right triangle measures 30°, and the length of the triangle's hypotenuse is 10 ft. Find the missing angle me

OlgaM077 [116]

Answer:

missing angle <60 and side lengths 5, 5 $\sqrt{3}$

Step-by-step explanation:

we understand from the given information that the triangle in question is a special right triangle

and since this is a special triangle the side lengths follows :

the side length that sees <90 is represented by 2x

the side length that sees <60 is represented by x $\sqrt{3}$

and the side length that sees <30 is represented by x

2x = 10 so x = 5 and x $\sqrt{3}$ = 5 $\sqrt{3}$

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3 years ago

An art teacher has a roll of mural paper this is 5meters long. She needs to cut it into 1-Decimeter long pieces for a collage pr

zysi [14]

Answer:

50 pieces

Step-by-step explanation:

1 decimeter = 0.1 meter

Therefore,

$\frac{5}{0.1} = 50$

Thus, 50 pieces can be cut.

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3 years ago

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