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3 years ago

Which triangle’s area would be calculated using the trigonometric area formula?

Mathematics

2 answers:

kati45 [8]3 years ago

7 0

Answer:

Triangle Q R P is shown. The length of Q R is 5 and the length of R P is 6. Angle Q R P is 40 degrees.

Step-by-step explanation:

The trigonometric formula refers the two sides length of the triangle and it also consists of included angle to find out the area

A = $\frac{1}{2}$ ab sin C

QPR contains two sides and the included angle

XYZ has one side and the two angles

DEF has only three sides

And, the ABC contains two sides but does not have the included angle

Based on the explanation above, the correct option is B

BabaBlast [244]3 years ago

7 0

Answer: the second option aka B

Step-by-step explanation: The other person explained it and I'm just here to tell you they gave the correct and answer for edge 2020.

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A moto maintained a constant speed of 13 miles per hour relative to the water in going 25 miles upstream and then returning. The

MrRa [10]

Answer:

current speed = 12 mph

Step-by-step explanation:

distance / rate = time

time upstream + time downstream = 26

25 / (13-c) + 25 / (13+c) = 26 ( c = current speed)

solve for c = 12 mi/hr

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1 year ago

Solve for x: |4x + 12| = 16

pentagon [3]

To solve
if you have |a|=b, solve a=b and a=-b

|4x+12|=16
solve
4x+12=16 and 4x+12=-16
minus 12 both sides
4x=4 and 4x=-28
divide both sides by 4
x=1 and x=-7

4 0

3 years ago

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A box of pencils is 5 1/4 inches wide. Seven pencils, laid side by side, take up 2 5/8 inches of the width. How many inches of t

Tanya [424]

Answer:

Step-by-step explanation:

5.25 - 2.625 = 2.625 inches

3 0

3 years ago

What is the equation of a line with a slope of -2 that passes through the point (-2,12)?

slavikrds [6]

Answer:

y=-2x + 8 which is the required equation

Which is option C

Step-by-step explanation:

Given:

Slope = m = -2

Given points are ( -2,12)

Which is

x = -2 and y =12

TO find:

Equation of line passing through these points = ?

Solution:

The point slope form of a line is

y = mx + c

Here we don't know the value of c

To find it

Putting y = 12 , x= -2 and y = -2 in the given equation

y = mx + c

Putting values it becomes

12 = (-2)*(-2) + c

12 = 4 + c

Subtracting 4 from both sides

12-4 = 4 -4 + c

8 = c

Now we have

m = -2 and c= 8

So equation of a line is given by

y = mx + c

Putting value of m and c

y = -2*x + 8

y=-2x + 8 which is the required equation

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3 years ago

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25 Points!! The graph represents the first three terms in an arithmetic sequence.

Drupady [299]

Answer:

Step-by-step explanation:

$y-1=\frac{4-1}{2-1}(x-1)\\y-1=3(x-1)\\y=3x-3+1\\y=3x-2$

an=an-1+3

when x=15

y=3×15-2=45-2=43

a15=43

4 0

3 years ago

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