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3 years ago

PLEASE HELP ME!!! WHOEVER CAN!!

Mathematics

1 answer:

Alex787 [66]3 years ago

7 0

Answer:

deltamath right? lol understand

Step-by-step explanation:

since there are 5 questions im gonna have to explain it to u.

for this one you need numbers that are greater than or equal to -6. So

06, -5.999999 -5.99 -5.9 -5 -3 -1 and 2 :)

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Find the solution to the system of equations.

Anvisha [2.4K]

Answer: The answer has one solution:

_______________________________

→ x = 1 ; y = -4 ; or, write as: [1, -4].

_______________________________

Step-by-step explanation:

_______________________________

Given:

y = - 1x – 3

y = -7x + 3 ;

_______________________________

-1x – 3 = -7x + 3 ; Solve for "x" ;

Add: " +1x" ; and add " +3 " ; to Each Side of the equation:

Subtract " 1x " ; and Subtract " 1 " ; from Each Side of the equation:

-1x + 1x – 3 + 3 = -7x + 1x + 3 + 3 ;

to get:

0 = -6x + 6

↔ -6x + 6 = 0 ;

Now, subtract " 6 " from Each Side of the equation:

-6x + 6 – 6 = 0 – 6 ;

to get:

-6x = -6 ;

Now, divide Each Side of the equation by " -6 ";

to isolate "x" on one side of the equation;

& to solve for "x" ;

-6x /-6 = -6/-6 ;

to get:

x = 1 .

_______________________________

Now, let us solve for "y" ;

We are given:

y = -x – 3 ;

Substitute our solved value for "x" ; which is: " 1 " ; for " x " ; into this given equation; to obtain the value for " y " :

y = -x – 3 ;

= -1 – 3

y = - 4 .

_______________________________

Let us check our answers by plugging the values for "x" and "y" ;

" 1 " ; and " -4 "; respectively); into the second given equation; to see if these values for " x " and " y" ; hold true:

Given: y = - 7x + 3 ;

→ -4 =? -7(1) + 3 ?? ;

→ -4 =? -7 + 3 ?? ;

→ - 4 =? -4 ?? ;

→ Yes!

_______________________________

The answer has one solution:

→ x = 1 ; y = - 4 ; or, write as: [1, -4 ].

_______________________________

Hope this is helpful! Best wishes!

_______________________________

5 0

3 years ago

Perform the indicated operation. 11(-2) -22 9 22 -9

valentina_108 [34]

-22 is the answer because since 2 is negative and 11 is positive the answer is going to be negative. Hope it helps

7 0

3 years ago

Left hand behavior 2x^4 -3x +1

Virty [35]

Answer:

(x−1)(2x3+2x2+2x−1)

combine like terms, then factor

7 0

3 years ago

Jose drove from newyork to Florida. Resting for 1 hour for every 5 hours he drove. if he drove for 35 hours. how many hours did

Delicious77 [7]

Answer:

Step-by-step explanation:

how many fives are in 35? thats the answer

7 0

2 years ago

A boy purchased (bought) a party-length sandwich 56 in. long. He wants to cut it into three pieces so that the middle piece is

erik [133]

The shortest piece is 14 inches, middle piece is 19 inches and longest piece is 23 inches long.

Step-by-step explanation:

Let,

x be the shortest piece.

Therefore,

Middle piece = x+5

As shortest piece is 9 in shorter than longer piece;

Shortest piece = longest piece - 9

x = longest piece - 9

longest piece = x+9

Length of sandwich = 56 in

According to given statement;

Shortest piece + middle piece + longest piece = 56

$x+(x+5)+(x+9)=56\\x+x+5+x+9=56\\3x+14=56\\3x=56-14\\3x=42$

Dividing both sides by 3;

$\frac{3x}{3}=\frac{42}{3}\\x=14$

Shortest piece = 14 in

Middle piece = 14+5 = 19 in

Longest piece = 14+9 = 23 in

The shortest piece is 14 inches, middle piece is 19 inches and longest piece is 23 inches long.

Keywords: Addition, linear equation

Learn more about addition at:

#LearnwithBrainly

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3 years ago