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3 years ago

6

What would be a reasonable estimate of the value of 'm' in this equation

1 answer:

bixtya [17]3 years ago

5 0

B. 188-80=108
The closest answer there is 100

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Solve the system using substitution x+5y=0 3y+2x=-21

Crazy boy [7]

Answer:

$\left \{ {{x = -15} \atop {y=3}} \right.$

Step-by-step explanation:

$\left \{ {{x + 5y = 0} (1) \atop {3y + 2x = -21}(2)} \right. \left \{ {{x = -5y} \atop {3y + 2x = -21}} \right. \left \{ {{x = -5y} \atop {3y + 2*(-5y) = -21}} \right. \left \{ {{x = -5y} \atop {3y - 10y = -21}} \right. \\ \left \{ {{x = -5y } \atop {-7y = -21}} \right. \left \{ {{x = -5y} \atop {y= 3 }} \right. \left \{ {{x = -5 * 3} \atop {y=3}} \right.=> \left \{ {{x=-15} \atop {y=3}} \right.$

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2 years ago

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Find the distance between the points (0,2)and (-5,-9)The answer must be a whole number or a fully simplified radical expression

LiRa [457]

Answer:

d = $\sqrt{146}$

Step-by-step explanation:

$d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\d= \sqrt{(-5-0)^2+(-9-2)^2}\\d= \sqrt{(-5)^2+(-11)^2}\\d= \sqrt{25+121}\\d= \sqrt{146}$

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3 years ago

Solve for x. -3x + 6 = 2x - 24 A) -30 B) -6 C) 6 D) 30

Crazy boy [7]

The answer is C) 30.

Explanation:

-3x + 6 = 2x -24

6 + 24 = 2x + 3x

30 = 5x

x = 30/5 = 6

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3 years ago

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The graph of a linear function passes through the point (1, 1) and has a slope of -3. What is the equation of the function in sl

Zigmanuir [339]

Use the point-slope formula
y-y1=m(x-x1)
y-1=-3(x-1)
y-1=-3x+3
y=-3x+4

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3 years ago

Help me with #16, and explain. Please

Rzqust [24]

2a-9 +a = 90 degrees

3a -9 = 90

3a = 99

a = 33

angle GEF is 33 degrees

4 0

3 years ago