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Ipatiy [6.2K]
3 years ago
11

Miu will solve the system of equations below using the elimination method.

Mathematics
1 answer:
arlik [135]3 years ago
5 0

Answer:

D.

Step-by-step explanation:

-2(x+y)=-2*1

-2x-2y=-2

2x-3y=4

-5y=2

y=-2/5

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Please help me thanks <br> I will give you brainlest
Annette [7]

Answer:

12.5cm

Step-by-step explanation:

This triangle is either isosceles or equilateral, we already know two sides.

the other side of the triangle is also 5 cm long because it is also the radius of the shape

the format for finding a right angle triangle like this one is base x height / 2

5 x 5 = 25

25/2 = 12.5

12.5 rounded is 13 because the decimal number is 5 and 5 or higher means we need to round up.

hopefully this helped

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3 0
2 years ago
Can someone plz help me solved this problem! Need help ASAP! Help me !
lana66690 [7]

Answer:  5, 8

<u>Step-by-step explanation:</u>

The difference between 3 times a number and -8 is BETWEEN 23 and 32

Note: "difference" means subtraction --> 3x - (-8)  --> 3x + 8

               23 < 3x + 8 < 32

               15 < 3x        < 24          <em> subtracted 8 from all 3 sides</em>

-->             5 <   x        <   8          <em>divided 3 from all 3 sides</em>

 

5 0
3 years ago
An arithmetic sequence begins as follows: a1=13 a2=19 Which of the following gives the definition of its nth term?
Otrada [13]

Answer:

the nth term of the sequence is a_n=6n+7

Step-by-step explanation:

Given : An arithmetic sequence begins as follows: a_1=13, a_2=19

To find : Which of the following gives the definition of its nth term?

Solution :

The nth term of the A.P is a_n=a+(n-1)d

The first term is a=a_1=13

The common difference is d=a_2-a_1

d=19-13=6

Substitute in the formula,

a_n=13+(n-1)6

a_n=13+6n-6

a_n=6n+7

Therefore, the nth term of the sequence is a_n=6n+7

5 0
3 years ago
What is the quotient of 13divide 8
Ahat [919]

Answer:

1

Step-by-step explanation:

mr clean

7 0
2 years ago
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Write an equation <br> Eight times the sum of m and 7 is 21
guajiro [1.7K]

Answer:

the equation would be 8(m+7)=21

6 0
2 years ago
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