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ratelena [41]
3 years ago
13

Help me BRAINLIEST i dont know

Mathematics
1 answer:
natka813 [3]3 years ago
5 0

Answer:

38 and 57

Step-by-step explanation:

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Solve the linear system by graphing x+y=-7 and y =x+3
tangare [24]

Answer:

x= -5

y= -2

Step-by-step explanation:

From the equation y=x+3-------eqn 1

x+y= -7-------eqn2

x+(x+3)= -7 (since there is no value before the bracket is 1, so multiply by 1)

x+x+3= -7

2x+3=-7

2x=-7-3

2x=-10

x=-10/2

x=-5

Insert x value in equation 1

y= -5+3

y=-2

3 0
3 years ago
I need help plz can yall help me?!!!!!<br> PLZZZZ
Stels [109]

Answer:

answer B hope this help ...

6 0
3 years ago
Read 2 more answers
)If 18th February, 2030 falls on Monday then what will be the day on 18th February, 2040
MariettaO [177]

The Saturday will be the day on 18th February 2040 if  18th February 2030 falls on Monday

<h3>What is an arithmetic operation?</h3>

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

We have:

18th February 2030 falls on Monday

To find what will be the day on 18th February 2040

Calculate the expression:

= Given date + Month code + (difference between years) + Numbe of leap year

Leap year = difference between years/4

= (2040-2030)/4

= 10/4 = 2.5 ≈2

= 18 + 3 + (2040-2030) + 2

= 33

Divide 33 by 7 the remainder will be 5

Day code = given day code + remainder

= 1 + 5

= 6 (saturday from the table attahced)

Thus, Saturday will be the day on 18th February 2040 if  18th February 2030 falls on Monday.

Learn more about the arithmetic operation here:

brainly.com/question/20595275

#SPJ1

6 0
2 years ago
Solve the following equation using Gaussian elimination method
9966 [12]

Eliminate p :

2 (m + 2n + 2p) + (-1) (3m - n + 4p) = 2 (4) + (-1) 25

2m + 4n + 4p - 3m + n - 4p = 8 - 25

-m + 5n = -17

(m + 2n + 2p) + 2 (3m + 2n - p) = 4 + 2 (-4)

m + 2n + 2p + 6m + 4n - 2p = 4 - 8

7m + 6n = -4

Eliminate m :

7 (-m + 5n) + (7m + 6n) = 7 (-17) + (-4)

-7m + 35n + 7m + 6n = -119 - 4

41n = -123

Solve for n :

n = -3

Solve for m :

-m + 5 (-3) = -17

-m - 15 = -17

m = 2

Solve for p :

2 + 2 (-3) + 2p = 4

2 - 6 + 2p = 4

2p = 8

p = 4

4 0
3 years ago
I need to know how to do it as well as the answer.
Mrac [35]

Answer:

38/ all u have to do is divide 2,318 and 61

7 0
3 years ago
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