3 years ago

What would the equation be for this then

Mathematics

1 answer:

Lyrx [107]3 years ago

5 0

Answer:

You happen to know what I am looking at? Theres no photos :(

Step-by-step explanation:

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I need to solve for x and y. Any help is greatly appreciated! Thank you!

Inessa05 [86]

x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9 Eqn 1

x+y = - 2 Eqn 2

From eqn 2:

$x=-y-2$

Putting x=-y-2 in eqn 1

$2(-y-2)-3y=-9\\-2y+4-3y=-9\\-5y-4=-9\\Adding\ 4\ on\ both\ sides\\-5y-4+4=-9+4\\-5y=-5\\Dividing\ both\ sides\ by\ -5\frac{-5y}{-5}=\frac{-5}{-5}\\y=1\\Putting\ y=1\ in\ eqn\ 2\\x+1=-2\\Subtracting\ 1\ from\ both\ sides\\x+1-1=-2-1\\x=-3$

Hence,

x=-3, y=1

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

3 0

3 years ago

A summarine is only allowed to change his depth by rising Toward the surface in 50 m stages it starts off at negative 235 m how

Vladimir [108]

Answer:

It will take 5 stages to reach the surface.

Step-by-step explanation:

-225/50=4.5 or what times 4.5 equals -225

Hope this helps.

3 0

3 years ago

Chrissie thinks of a number. 30% of her number is 270. What is the number she is thinking of? Please help.

MrRissso [65]

Answer:

Step-by-step explanation:

hope it helps

3 0

2 years ago

Write 25/176 as a decimal then tell if it's a terminating or a repeating decimal.

EastWind [94]

Answer:

0.14204545454545

It's a repeating decimal

Step-by-step explanation:

25/176 is the same as 25 ÷ 176

so 25 ÷ 176 = 0.14204545454545

and it is a repeating decimal because the reminder is not 0

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2 years ago

suppose a and b give the population of two states where a > b. compare expressions and tell which of the given pair is greate

Brrunno [24]

<span>1. 0.5 is greater, 2. A + 13c is greater, 3. the expressions are equal, 4. there is not enough information available — it depends how much greater a is than b, 5. The expressions are equal.</span>

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3 years ago

Read 2 more answers