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2 years ago

Please solve for 'Y', big prize. Only 2 minutes to finish!

Mathematics

1 answer:

Ghella [55]2 years ago

8 0

Answer:

$- \frac{1}{2} = \frac{3}{8} y \\ \\ y = - \frac{1}{2} \div \frac{3}{8} \\ \\ y = - \frac{1}{2} \times \frac{8}{3} \\ \\ y = - \frac{4}{3}$

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Allisa [31]

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3 years ago

Elena uses 12 red beads to make 4 bracelets how many red beads will Elena need to make 12 bracelets

Schach [20]

Answer:

Step-by-step explanation:

u need 12 to make 4 bracelets

4 bracelets x 3 = 12 bracelets

12 beads x 3 = 36 beads

7 0

3 years ago

Which points have an x-value less than zero?

Zanzabum

Answer:

C, D, J

Step-by-step explanation:

Points to the left of the y-axis have a negative x- value

Points to the right of the y-axis have a positive x- value

Points on the y-axis have an x- value of zero

C(- 4, 5), D(- 9, 9 ), J(- 9, 0) ← are the coordinates of the points

All have a negative x- value

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3 years ago

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melisa1 [442]

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3 years ago

The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h. A=(a+b)/2 h Solve for a.

yKpoI14uk [10]

Answer:

$a=\frac{2A}{h}-b$

Step-by-step explanation:

Hello, I think I can help you with this.

According to the information provided in the problem, the area of a trapezoid is given by

$A=\frac{a+b}{2} *h\\$

Step 1

solve for a, it means isolate a

$A=\frac{a+b}{2} *h\\divide\ both\ sides\ by\ h\\\\\frac{A}{h}= \frac{\frac{a+b}{2} *h}{h} \\\frac{A}{h}=\frac{a+b}{2}\\\\Now, multiply\ both\ sides\ by\ two\\\\ 2*\frac{A}{h}=2*\frac{a+b}{2}\\2*\frac{A}{h}=a+b\\\frac{2A}{h}=a+b\\\\subtract\ b\ for\ both\ sides\\\frac{2A}{h}-b=a+b-b\\a=\frac{2A}{h}-b$

Have a good day.

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3 years ago