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3 years ago

Nora bought a cartoon character lunchbox for $40. A price guide says it is worth $32. What's the percent decrease?

Mathematics

1 answer:

son4ous [18]3 years ago

4 0

Answer:

It might be 8

Step-by-step explanation:

40-32=8

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Sixty nine percent of U.S households play video or computer games. Chose 4 heads of households at random. Find the probability t

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Answer: 1*(69/100)^0*(31/100)^4 = 0.0092 or 0.0092*100 = 0.92%

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3 years ago

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53 - 21 + 62 + (25 ÷ 5)

Alisiya [41]

Answer:

Step-by-step explanation:

So your equation is: 5y3 - 21 + 6y2 + (25 ÷ 5) and y = 2.

Evaluate for y=2

5(23)−21+6(22)+

=48.

So the answer is 48.

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3 years ago

Which set of transformations would prove triangle GFE ~ triangle GHI?

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Dilation of 1/2 and then a reflection over y=2

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Which term describes the relationship between L A and 2 B, if the m LA= 84º and m 2 B = 96º7

Daniel [21]

Answer:

Supplementary

Step-by-step explanation:

84 plus 96 equals 180 degrees

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3 years ago

(-6,8); perpendicular to y = -3/2x -1

UNO [17]

Answer:

$y = \frac{2}{3} x + 12$

Step-by-step explanation:

$y = - \frac{3}{2} x - 1$

The gradient of a line is the coefficient of x when the equation of the line is written in the form of y=mx+c.

Thus, gradient of given line= $- \frac{3}{2}$ .

The product of the gradients of perpendicular lines is -1.

(Gradient of line)(-3/2)= -1

Gradient of line

$- 1 \div ( - \frac{3}{2} ) \\ = - 1( - \frac{2}{3} ) \\ = \frac{2}{3}$

Substitute m= $\frac{2}{3}$ into y=mx+c:

$y = \frac{2}{3} x + c$

To find the value of c, substitute a pair of coordinates.

When x= -6, y= 8,

$8 = \frac{2}{3} ( - 6) + c \\ \\ 8 = - 4 + c \\ c = 8 + 4 \\ c = 12$

Thus, the equation of the line is $y = \frac{2}{3} x + 12$ .

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3 years ago