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elena-s [515]
3 years ago
6

What is the answer to the equation 5/14+1/6

Mathematics
1 answer:
BigorU [14]3 years ago
3 0
5/14+1/6=5*3/42+1*7/42=15/42+7/42=22/42=11/21
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What does the 3 represent in 3(20 15)?
Andre45 [30]
Depending on what you're supposed to do, the three could either mean to distribute it into the equation, giving you
either
(3*2015) or (3*20)*(3*15) or (3*20) +/- (3*15)

Or an example of factoring where they took 3 out of 60 and 45.

There are no instruction on what to do in this question.
4 0
3 years ago
A rhombus has four 6-inch sides and two 120-degree angles. From one of the vertices of the obtuse angles, the two latitudes are
nikitadnepr [17]

Answer:

Area(A)=Area(C)= 9 in^{2}

Area(B)=13.2 in^{2}

Step-by-step explanation:

We begin with finding the angles a and b that from the drawing attached you can see that a=b.

Now, the sum of the internal angles of a rhomboid is equal to 360 degrees, with that we have:

120+120+a+b=360

240+2a=360

2a=120

a=60=b

Next, in the image you can see that the lines coming from the angle at the top 120 degrees vertex, divide the opposite sides by half, thus making two triangles with one side of 6 in and another of 3 in.

We can say from the drawing as well:

Area(A)+Area(B)+Area(C)=Area(rhomboid)

But, we can also say that Area(A)=Area(C)

So, starting with Area(A)

Area(A)=Area(triangle)=\frac{b*h}{2}=\frac{6*3}{2}=9 in^{2}

We can then calculate the area B, a rhomboid, or better, take the Total area of the figure and subtract the area of the two triangles.

Area(B)=Area(rhomboid)-Area(A)-Area(C)

Area(rhomboid)=b*h where b=6in and h is the perpendicular distance from the base to the top.

h=[tex]6*cos(30)=5.20in   The 30 degrees come from: 120-30-60=30, since the latitudes split the 120 angle in two equal parts and one that is the half of the obtuse angle.

Area(rhomboid)=5.20*6=31.2 in^{2}

Area(B)=Area(rhomboid)-Area(A)-Area(C)=31.2 in^{2}-9 in^{2}-9 in^{2}=13.2 in^{2}

3 0
3 years ago
Do circumstance of a circle with 17ft
olchik [2.2K]

Answer:

The circumference and area of a circle with a 17 ft diameter are:

C = 53.4 ft

A = 227 ft2

5 0
3 years ago
Simplify the<br>composite function<br>(g o f) (x)<br><br>f(x)=2x+3<br>g(x)=x​
shtirl [24]

Answer:

2x^{2} +3x

Step-by-step explanation:

g(2x+3)

x(2x+3)

2x^2+3x

3 0
3 years ago
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