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Alinara [238K]
4 years ago
11

What is the length of BC¯¯¯¯¯ ?

Mathematics
2 answers:
ANEK [815]4 years ago
8 0

Ok so to solve its X+9=2X-8

Then you minus the x that’s alone to cancel it out but you do it on the other side too so now it’s

X+9=2X-8

-X -X

9=X-8

So now you add 8 to both sides to cancel out the negative 8. So now it is

9=X-8

+8 +8

Now you have

17=X so (X=17)

You’re welcome and have a great day and night!!!!!!

Nezavi [6.7K]4 years ago
3 0

Answer:

Just finished test answer is 17

Step-by-step explanation:

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dexar [7]

Hi!

There might be different variations into how anyone would approach this problem but this is by far an easy way for me.

In order to solve fractional relationships with a variable, a perfect way to solve them would be to cross multiply and make them equal to each other.

You see the part '3y+12', and when you criss cross over to the other side of the equation, you get three. Multiply that together.

When you see the part '6', when you glide diagonally, you find '4y'. Multiply this together as well. Make them equal to each other.

(<em>This is how you do cross multiplication.)</em>

You should get something like this:

3(3y+12)=6(4y)              Distribute the three on the left side and multiply. Do the same on the right.

9y+36=24y                    Now, you can combine like terms by subtracting 9y to the other side.

36=15y                           Isolate y and divide it by 15.

y=2.4

I was unclear of the answer, so I plugged in 2.4 into the original equation where the y variable was, and got the right answer, so 2.4 should be the correct one no matter how you got it.

I hope this helped!

8 0
2 years ago
240 degrees F to kelvin
Sloan [31]

513.15 is the answer to that question

6 0
3 years ago
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In Euclidean geometry, the sum of the lengths of 2 sides of a triangle is greater than the length of the third side. The lengths
bearhunter [10]

Answer:x \in (\frac{5}{3},\frac{19}{3})

Step-by-step explanation:

Given

length of three sides are

3x, 7\ and\ 12

according to Euclidean geometry

7+12>3x

19>3x

\frac{19}{3}>x

also

3x+7>12

3x>5

x>\frac{5}{3}

therefore value of x \in (\frac{5}{3},\frac{19}{3})

If x is an integer then x can be 2,3,4,5,6

7 0
4 years ago
How many triangles can be drawn with side lengths 3, 5, and 9?
prohojiy [21]

Answer:

no triangle

Step-by-step explanation:

SOLUTION: No; . The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

7 0
3 years ago
Need help answering this question
Rasek [7]

Answer:

Step-by-step explanation:

Step 1

we know that sinθ = opp/hyp

so

let x = hyp

sin(23.64) = 5.42/x

0.40=5.42/x

x0.40 = 5.42

x = 13.55

Thefore the length of the hypothenuse is 13.55 Send Love:333

5 0
3 years ago
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