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3 years ago

Plz help quick. plz do 14,13,and 12

Mathematics

2 answers:

Kipish [7]3 years ago

4 0

The answer to number 12 is 81.4 because 8 4/5 multiplied by 9 1/4= 81.4

kykrilka [37]3 years ago

3 0

I got C for 13 but I couldn't find the answer for 12 and 14 sorry I tried

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Evaluate f(x)3x + 8 for x = 1. A. -11 B. 5 C. 11 D. 3

mariarad [96]

Answer:11

Step-by-step explanation:

f(x)=3x+8

f(1)=3(1)+8

f(1)=3+8

f(1)=11

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2 years ago

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kotykmax [81]

The Answer is 12

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3 years ago

PLS HELP ASAP! LAST DAY OF SCHOOL!

lianna [129]

Area of triangles: 1/2 x b x h
area of square: l x w

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2 years ago

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kogti [31]

Answer:

130

Step-by-step explanation:

2x+5x+5=180

7x+5=180

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8 0

3 years ago

Read 2 more answers

Write the slope-intercept form of the equation of the line that passes thrqugh (-4, -3) and is

Zielflug [23.3K]

Answer:

Step-by-step explanation:

Equation of the line y = mx + c

The new line is perpendicular to 2x - 3y = -5

- 3y = - 5 - 2x

3y = 2x + 5

y = $\frac{2x}{3} + \frac{5}{3}$

Since the lines are perpendicular to each other : $m_{1} . m_{2} = -1$

where $m_{1} \ slope \ of \ the \ given \ line \ and \ m_{2} \ slope \ of \ the \ new \line\\$ .

Slope of the given line

$m_{1} = \frac{2}{3}$

Slope of the new line

$\\\frac{2}{3}.m_{2} = -1\\ m_{2} = -1 . \frac{3}{2} = \frac{-3}{2}$

The equation to the new line passing through (-4, -3) and perpendicular to 2x - 3y = -5

$(y - y_{1}) = m_{2}(x-x_{2} )\\\\(y - (-4)) = \frac{-3}{2}(x - (-3)) \\\\(y + 4) = \frac{-3}{2} (x+ 3)\\\\2(y +4) = -3(x+3)\\\\2y + 8 = -3x -9 \\\\2y = -3x - 9 -8\\\\y = \frac{-3x}{2} - \frac{17}{2}$

8 0

2 years ago