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2 years ago

Help me pleasee !!!!

Mathematics

2 answers:

harkovskaia [24]2 years ago

4 0

Answer:

9) -3/5x + y = 5

10) -x + y = -3

11) 3/5x + y = -3

12) -5/4x + y = 2

Step-by-step explanation:

Daniel [21]2 years ago

3 0

Answer:

here (edit I made a mistake)

Step-by-step explanation:

9) $y=\frac{3}{5} x +5$

10) y = x - 3

11) $y=-\frac{3}{5} x - 3$

12) $y=\frac{5}{4} x + 2$

these are the slop int forms, my bad...

sorry

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In-s [12.5K]

For the first question asking about the slope 3/4 and y intercept -2 would be (y=0.75x-2) because 3/4=0.75 and the y intercept -2 is b and you’re just placing it into the formula y=Mx+b m=slope b=y intercept.

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3 years ago

If side A = 11 units and side B = 20 units, what is the length of side C?

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I think it’s C because 20-11 is C xD

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1 year ago

#1.) What is the slope between point C and Point D? *Please Show All Work*

ANTONII [103]

Answer:

1. $m = slope = \frac{12}{7}$

2. $y = \frac{12}{7}x$

3. Domain: 0≤x≤7

Range: 0≤y≤12

Step-by-step explanation:

1. Assuming 1 unit = 1 box on the grid, therefore, coordinates of C and D would be:

C(0, 0),

D(7, 12)

$Slope = m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{12 - 0}{7 - 0} = \frac{12}{7}$

2. Equation of the using the slope-intercept formula, $y = mx + b$ , where,

$m = slope = \frac{12}{7}$

b = y-intercept, which is where the line CD cuts the y-axis = 0

Plug in the values for m and b into the formula to get the equation of the line:

$y = \frac{12}{7}x + 0$

$y = \frac{12}{7}x$

3. The domain for C to D part = all x-values = 0≤x≤7

The range = all y-values = 0≤y≤12

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4 years ago

If ∠G measures 45°, ∠F measures 82°, and f is 7 feet, then find g using the Law of Sines. Round your answer to the nearest foot.

DIA [1.3K]

The value of g across from angle G is 5feet

According to sine rule

$\frac{e}{sinE}=\frac{f}{sinF}=\frac{g}{sinG}$

Given the following

∠G = 45°

∠F = 82°

f = 7feet

Required

side g

Substitute the given values into the formula

$\frac{f}{sinF}=\frac{g}{sinG}\\ \frac{7}{sin82}=\frac{g}{sin45}\\\frac{7}{0.9903}=\frac{g}{0.7071}\\7.0686=\frac{g}{0.7071}\\g=7.0686*0.7071\\g=4.998\\g\approx5ft$

Hence the value of g across from angle G is 5feet

Learn more here: brainly.com/question/15018190

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3 years ago

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