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Agata [3.3K]
3 years ago
7

Need help on this question please!

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

Answer: she made 11 sparkelers and gavin made 21

Step-by-step explanation:

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The midpoint of AB is M(1, 3). If the coordinates of A are(4,1), what are the coordinates of B?
Oxana [17]

Answer:

B(-2,5)

Step-by-step explanation:

\frac{x + 4}{2}  = 1 \\ 2 \times  \frac{x + 4}{2}  = 1 \times 2 \\ x + 4 = 2 \\ x = 2 - 4 \\ x =  - 2 \\  \frac{y + 1}{2}  = 3 \\ 2 \times  \frac{y + 1}{2}  = 3 \times 2 \\ y + 1 = 6 \\ y = 6  -  1 \\ y = 5

Hope that this is helpful.

Have a nice day.

6 0
2 years ago
The width of Estelle's rectangular living room is 4 meters, and the distance between opposite corners is 7 meters. What is the l
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Answer:

5.7 meters

Step-by-step explanation:

Image a rectangle being cut diagonally in half, that would lead to two triangles. We can use the pythagorean theorem to find the missing side.

7 is the hypotenuse and 4 is the side length

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6 0
3 years ago
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