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2 years ago

A dealer bought an item for $20, sold it for $24, bought it for $25, and sold it for $28. How much profit did she make?

Mathematics

1 answer:

tatiyna2 years ago

6 0

Her profit was around the amount of $7-$52

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The school wishes to purchase 2500 pens and have discovered that 3 stores sell the same model pen.Which store has the best buy ?

8_murik_8 [283]

$Store\ A: \frac{0.5}{15}=0.0333\ cents\ per\ pen \\ \\ Store\ B: \frac{1.7}{50}=0.034\ cents\ per\ pen \\ \\ Store\ C: \frac{0.9}{30} =0.03\ cents\ per\ pen \\ \\ Store\ C\ is\ the\ cheapest.$

7 0

3 years ago

The equations given are in standard form. Put each equation in slope-intercept form. State the slope and the

rusak2 [61]

Answer:

3. $\displaystyle y = \frac{2}{5}x + 1\frac{2}{5}$

2. $\displaystyle y = -\frac{5}{7}x + 2$

1. $\displaystyle y = -2x + 4$

Step-by-step explanation:

3. 2x - 5y = −7

- 2x - 2x

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$\displaystyle \frac{-5y}{-5} = \frac{-2x - 7}{-5} \\ \\ y = \frac{2}{5}x + 1\frac{2}{5}$

2. 5x + 7y = 14

- 5x - 5x

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$\displaystyle \frac{7y}{7} = \frac{-5x + 14}{7} \\ \\ y = -\frac{5}{7}x + 2$

1. 6x + 3y = 12

- 6x - 6x

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$\displaystyle \frac{3y}{3} = \frac{-6x + 12}{3} \\ \\ y = -2x + 4$

I am joyous to assist you anytime.

8 0

3 years ago

Help pls will mark branliest !

Mnenie [13.5K]

Answer:

10 Numbers

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

F(x) = x2 - 4x – 8,<br> Graph

Tema [17]

Answer:

-2x-8

2x= -8

x = -4

( x - 2 )(x + 2 )

x=2

x= -2

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3 years ago

The graph is<br> function because it is symmetrical about the

Stells [14]

Answer:

Functions can be symmetrical about the y-axis, which means that if we reflect their graph about the y-axis we will get the same graph. ... These are two types of symmetry we call even and odd functions.

Step-by-step explanation:

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2 years ago