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3 years ago

What is the solution to the system of equations?

Mathematics

1 answer:

lord [1]3 years ago

4 0

Answer:

(3, -2)

Step-by-step explanation:

both of the equations are equal to y, which means they are equal to each other.

So you write them as equation(1) = equation(2)

and solve for x.

Next substitute the value of x to any of the equations and find y. And that is how I got (3 , -2)

Hope I was able to help:)

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Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5? additive identity additive inv

Fofino [41]

Answer:

Commutative Property

Step-by-step explanation:

Additive Identity: If you add a real number to zero or add zero to a real number, then you get the same real number back.

Additive Inverse: When you add the same number but reversed sign, you get 0.

Commutative Property: a + b = b + a

Addition distributive property: a(b+ c) = ab + ac.

In this case, we use the commutative property:

27 + 15 + 3 + 5 = 27 + 3 + 15 + 5.

We know that 27 + 3 = 30 and 15 + 5 = 20, so we get 50 quickly using mental math.

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Answer:

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Step-by-step explanation:

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2 years ago

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What is the value of -8+4-7+9-2+(-5)

dsp73

Answer:

-9

Step-by-step explanation:

-8+4-7+9-2+(-5)

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3 years ago

Angelique Calculated the slope of a line that passed through points (-5,4) and (2,-3) her work is shown below. identify her erro

SOVA2 [1]

Answer:

see explanation

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 5, 4 ) and (x₂, y₂ ) = (2, - 3 )

m = $\frac{-3-4}{2-(-5)}$

Her error was subtracting 5 from 2 instead of - 5 from 2

m = $\frac{-7}{2+5}$ = $\frac{-7}{7}$ = - 1 ← corrected solution

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jarptica [38.1K]

Answer:

Step-by-step explanation:

Basically count each doubt that is on the number line with a value <u>greater </u>than 450

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