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Nata [24]
3 years ago
11

XY has endpoints at x(2,-3) and y(-1,2). what is the length of XY?

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0
Let x(2,-3) (x1 , y1) and y(-1 , 2) (x2 , y2). Using distance formula, lXYl = \sqrt{[2-(-1)] ^{2}+[-3-2] ^{2}  } =  \sqrt{1+25} = \sqrt{26} = 5.09units. 
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Can you guys help me​
Fudgin [204]

Answer:

The answer is 76.

Step-by-step explanation:

≅ means to be equal to.

☆Angle DGE ≅ EGF.

Therefore, 3x + 8 = 5x - 12

☆Let's solve that equation.

3x  + 8 = 5x - 12 \\  \frac{ - 5x \:  \:  \:  \:  \:  \:  \:   =  - 5x  \:  \:   \:  \:   \: \:  \:  \: }{ - 2x + 8 =  - 12}  \\  \frac{  \:  \:  \:  \:  \:  \:  \:  \: - 8  =  - 8}{  \frac{ - 2x}{ - 2}  =  \frac{ - 20}{ - 2} }   \\ x = 10

We found the value of x which is 10.

☆Let's Now plug in.

DGE \\ 3x + 8 \\ 3(10) + 8 \\ 30 + 8 \\ 38

and the other:

EGF \\ 5x - 12 \\ 5(10) - 12 \\ 50 - 12 \\ 38

☆They asked for what the angle of DGF measured. So we would have to add both sides

38 + 38 = 76

☆The answer is 76

3 0
3 years ago
Hue is arranging chairs. She can form 2 rows of a given length with 2 chairs left over, or 6 rows of that same length if she get
Nady [450]
There are 7 chairs in each row length.
Step-by-step explanation:
Let number of chairs in 1 row be 'x'.
Let total number of chairs be 'y'.
Given:
Hue can form 6 rows of a given length with 3 chairs left over.
It means that Total number of chairs is equal to chairs in 1 rows multiplied by number of rows which is 6 plus number of chairs which is left which is 3.
Framing in equation form we get.

Also Given:
Hue can form 8 rows of that same length if she gets 11 more chairs.
It means that Total number of chairs is equal to chairs in 1 rows multiplied by number of rows which is 8 minus number of chairs which is required more which is 11.
Framing in equation form we get.

From equation 1 and equation 2 we can say that L.H.S is same.
So according to law of transitivity we get;

Combining like terms we get;

Using Subtraction and Addition property we get;

Now Using Division Property we will divide both side by 2.

Hence there are 7 chairs in each row length.
8 0
3 years ago
Liam earned a grade of 65% on his miltiple choice science final that had a total of 140 problmes. How many problems on the final
Vsevolod [243]

Answer:

49

Step-by-step explanation:

65% of 140

65/100 × 140

= 91 right

140 - 91

= 49 wrong

8 0
2 years ago
Why do you think you need to add zero pairs to get the -1- tiles to fit in the rectangle?
Olin [163]
You will need. 1- to fit the rectangle tile in
7 0
3 years ago
How many batches of cookies can you make if you have 8 cups of flour and recipe calls for 3/4 per batch?
vodka [1.7K]

Answer:

10 batches i think, sorry if im wrong

Step-by-step explanation:

6 0
3 years ago
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