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2 years ago

14

What is the equation of a line that has a slope of -3 and passes through (-2,6)

1 answer:

vesna_86 [32]2 years ago

3 0

It has to do with equation of a straight line and I hope it helps

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What are the solutions to the quadratic equation? x2 2 + 3x - 10 = 0

FrozenT [24]

Answer:

2 and -5

Step-by-step explanation:

x2 + 3x - 10 = 0

Factors of -10 include, -2 and 5

so now we have to factor

(x-2)(x+5)

so x can equal 2 and -5

5 0

2 years ago

Tell whether the given number is a solution of each question. ( Must show work for credit)

guajiro [1.7K]

Answer/Step-by-step explanation:

1. $9 = 2a + 3$ ; 3

Let's solve for a.

$9 - 3 = 2a$ (subtraction property of equality)

$6 = 2a$

$\frac{6}{2} = a$ (division property of equality)

$3 = a$

$a = 3$

Therefore, 3 is a solution to 9 = 2a + 3

2. $5n - (-30) = 5$ ; 7

$5n + 30 = 5$ (- × - = +)

$5n = 5 - 30$ (Subtraction property of equality)

$5n = -25$

$\frac{5n}{5} = \frac{-25}{5}$ (division property of equality)

$n = -5$

Therefore, 7 is not a solution of $5n - (-30) = 5$

3. $4.4r - 2.8 = 1.6$ ; 1

$4.4r = 1.6 + 2.8$

$4.4r = 4.4$

$\frac{4.4r}{4.4} = \frac{4.4}{4.4}$

$r = 1$

Therefore, 1 is a solution of $4.4r - 2.8 = 1.6$ .

5 0

2 years ago

What property is (67+83)+32=(32+67)+83

muminat

Answer:

Distributive property

Step-by-step explanation:

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2 years ago

Where is the circumcenter of this triangle located?

Andrews [41]

On a side of a triangle

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3 years ago

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Convert rectangular equation to polar equation

miss Akunina [59]

y= 2*x / x+3 that is my answer

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2 years ago