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3 years ago

Kacey is making a necklace that is 16 inches long. She uses 5 beads for every inch. How many beads will she need.

Mathematics

2 answers:

sineoko [7]3 years ago

8 0

Kacey is making a neklace long= 16
she uses bead for 1 inch= 5
she uses beads for 16 inches=16*5= 80

Vera_Pavlovna [14]3 years ago

6 0

16 inches x 5 beads per inch is 80 beads total you would need to make a 16 inch necklace.

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Y_Kistochka [10]

Answer:

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Step-by-step explanation:

Given

C = (2,7)

M=(-1,-1) ----- Missing part of question

Required

Determine the coordinates of D

Let the coordinates of D be (x₂,y₂)

We'll solve this question using mid point formula;

$M(x,y) = (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

Where

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Put these values in the formula

$(-1,-1) = (\frac{2+x_2}{2},\frac{7+y_2}{2})$

By comparison;

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$-1 = \frac{2+x_2}{2}$

Multiply both sides by 2

$-2 = 2 + x_2$

Subtract 2 from both sides

$-2 -2 = x_2$

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Multiply both sides by 2

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Subtract 7 from both sides

$-2 - 7 = y_2$

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