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statuscvo [17]
3 years ago
11

Angle C is 60 degrees and angle CAB is 78 we need to find angle DAB

Mathematics
1 answer:
ioda3 years ago
5 0

Answer:

∠ DAB = 48°

Step-by-step explanation:

The sum of the 3 angles in Δ ACD = 180° , then

∠ CAD + 60° + 90° = 180° , that is

∠ CAD + 150° = 180° ( subtract 150° from both sides )

∠ CAD = 30°

Then

∠ DAB + ∠ CAD = ∠ CAB

∠ DAB + 30° = 78° ( subtract 30° from both sides )

∠ DAB = 48°

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-.8(x + 1.085)(x - 6.335) in standard form
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Answer:

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Step-by-step explanation:

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3 years ago
Identify the equations as parallel lines, perpendicular lines, or neither.
Alex

Answer:

B. Parallel

Step-by-step explanation:

Equation 1 simplified:   y = 3x+7

Equation 2 simplified: y = -x/3-3

The slopes are completely different, ruling out the possibility of the lines being parallel.

But we also see the slopes of the equations are opposite and negative to each other. Making the lines perpendicular.

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3 years ago
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Juan went out to eat dinner, and the meal cost $60.00. If Juan received an 18% discount, what was the total value of the discoun
DaniilM [7]

Answer:

The total value of the discount was $10.80.

Step-by-step explanation:

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6 0
4 years ago
Please answer this, thanks.
elena55 [62]
First, put it into point-slope form. 

Find the slope:

m=(y2-y1)/(x2-x1)
m=(-6-(-2)/(2-1)
m=(-6+2)/1
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m=-4

Now, put it into point-slope:

y-y1=m(x-x1)

y-2=-4(x-(-6)
y-2=-4(x+6)
y-2=-4x-24

Slope intercept form: y= mx+b

Add 2 to the other side.

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I hope this helps!
~kaikers
4 0
3 years ago
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Will award brainliest for the correct answer!
Alex787 [66]

Answer:

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12x³z² = 4×3×x³×z² = 4x³×(3z²)

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4x³

4 0
2 years ago
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