2 years ago

$2.99 picture frame: Markup 150%

Mathematics

1 answer:

Kitty [74]2 years ago

7 0

A 150% markup of a picture frame that costs 2.99 would cost : 4.49

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Write 6.92 x 10 -8 in standard notation.

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There is 16 ounces in a pound, and #1 is B I believe

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3 years ago

Which of the sets of equations represent the two lines graphed?

Oksi-84 [34.3K]

Answer:

B) y = x + 2 and y = -x - 4

Step-by-step explanation:

Let the equation of a straight line with x-intercept 'a' and y-intercept 'b' be

$\frac{x}{a} + \frac{y}{b} = 1$

The line with positive slope has x-intercept a=-2 and y-intercept b=2.

Its equation is:

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

Multiply through by 2

$- x + y = 2$

Solve for y,

$\boxed {y = x + 2}$

For the line with a negative slope,

the x-intercept is a=-4 and the y-intercept is b=-4

Its equation is

$\frac{x}{ - 4} + \frac{y}{ - 4} = 1$

Multiply through by -4

$x + y = - 4$

Solve for y

$\boxed {y = - x - 4}$

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2 years ago

If b = 7 and A = 80 degrees,<br> find c.

bixtya [17]

Answer:

Step-by-step explanation:

7/sin10=c

c=40.31

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3 years ago

How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed?

attashe74 [19]

Think of it this way:
_ _ _ (3 digit number)

for the first blank you could have 7 possibilities
for the second blank you could have 6 possibilities
for the third blank you could have 5 possibilities
because each time you fill in a blank one number is removed from the list of possibilities

7×6×5=210. there are 210 possibilities

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3 years ago

The jars of paint in the art room have different amounts of paint.the green paint jar is 4/8 full. The purple paint jar is 4/6 f

ruslelena [56]

The green paint is less full

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3 years ago