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Ket [755]
3 years ago
8

Find the value of x if GH and JH are both 13 units long. Justify your answer.

Mathematics
1 answer:
const2013 [10]3 years ago
4 0

Answer:

x=7

Step-by-step explanation:

we have the triangle GHJ

If the segment side GH is equal to the segment JH

then

The triangle GHJ is an isosceles triangle

Remember that

An isosceles triangle has two equal interior angles and two equal sides

so

m∠G=m∠J

we have

m∠G=(7x+5)°

m∠J=(x+47)°

equate the equations

(7x+5)°=(x+47)°

Solve for x

7x-x=47-5\\6x=42\\x=7

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The disease known commonly as the Black Death is actually three illnesses.<br> true or false
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Answer:

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Step-by-step explanation:

There are three forms of plague in humans: bubonic plague, septicemic plague, and pneumonic plague. The signs and symptoms of plague generally develop between two and seven days after a person acquires the infection.

6 0
3 years ago
calculate the area of the irregular polygon shown below please dont take this bad please answer this question if you know thank
Makovka662 [10]
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zepelin [54]
In order to answer this one, it's really really really really helpful if you know what the law of cosines says. In fact it's absolutely necessary. The law of cosines says if you know two sides of a triangle and the angle between them then you can use that information to find the length of the third side. In the picture you know the lengths of two sides and you know the angle between them. So you can use the law of cosines to find the length of the third sidethat. That's side AC.
6 0
3 years ago
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Please help me with this.​ also click image
algol13

Answer:

3.14 inches

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3 0
3 years ago
Mr Sanchez has 16 feet of fencing to put around a rectangular garden. He wants the garden to have the greater possible area. How
nata0808 [166]
Let's use some examples. So what can you make with 16? You can make 1 and 15, 2 and 14, etc.

How about trying 1 and 15 first?
1*15 = 15
What about 2 and 14, 3 and 13, and 4 and 12?
2*14 = 28
3*13 = 39
4*12 = 48.

Now we notice a pattern-- the numbers keep getting bigger, right? So the closer you get to the middle, the bigger the area will get. So if we divide 16 by 2, we get 8. Let's try 8 and 8.

8*8 = 64

That's larger than 48! Now let's try a couple more to make sure.

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Next time, you'll know that with one of these problems, the biggest area would be the two numbers closest to each other you can get. Hope this helps! :)
3 0
4 years ago
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