3 years ago

Solve for x Round your answer to the newer hundredth.

Mathematics

1 answer:

snow_lady [41]3 years ago

7 0

X< 48.84

The first answer

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a cow is tied to a pole fixed at the mid-point of a side of a square field of side 40m by means of a 14m long rope find the area

svp [43]

Step-by-step explanation:

The area that cow can graze is in the form of semicircle.

Radius of semicircle

Length of rope =14 m

Required area = 1/2 ×πr

=1/2×22/7×r^2

=1/2×22/7×14×14

=308m2

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3 years ago

What does "As Much" mean in math? I am doing homework and I don't want to fail so I really need help.

igor_vitrenko [27]

It means the same used in a question like this, is 25 as much as 25.

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ira [324]

Answer:

-1/56

Step-by-step explanation:

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Find sin(a+B)

diamong [38]

Answer:

Cos A=5/13

we have

Cos² A= $1-Sin ²A$

25/169=1-Sin²A

sin²A=1-25/169

sin²A=144/169

Sin A= $\sqrt{144/169}=12/13$

again

Tan B=4/3

P/b=4/3

p=4

b=3

h= $\sqrt{3²+4²}=5$

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

Sin(A+B):sinAcosB+CosAsinB

now 

substitute value

Sin(A+B):12/13*3/5+5/13*(-4/5)=36/65-4/13

=16/65 is a required answer

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Hoochie [10]

8k+14

Hope this helps !!!

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