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3 years ago

Danielle earns a 7.25% commission on everything she sells at the electronics store

Mathematics

1 answer:

Ilya [14]3 years ago

8 0

Answer:

Step-by-step explanation:

Amount of communication = original price *commission percentage

= $625*7.25

= $4,1531.25

Sales for last week = Amount of commission - Original price

= $4,1531.52 -$973.00

$3,558.25

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sleet_krkn [62]

Answer is D.How old are the players on your softball team.

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2 years ago

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60 hope it helps and its right

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3 years ago

Answer<br><br> -10 – (-2) =

Allisa [31]

Answer:

Step-by-step explanation:

- (-2) is the same as + 2

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2 years ago

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Is point (2,1) on the the line represented by the equation x+2y=5

Sphinxa [80]

To check if this point lies on the line, plug in a 2 for x and a y for 1 and solve

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3 years ago

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Help with 21 would be much appreciated.

umka2103 [35]

Answer:

$\large\boxed{x=2\sqrt{21}\ and\ y=4\sqrt3}$

Step-by-step explanation:

Look at the picture.

ΔADC and ΔCDB are similar. Therefore the sides are in proportion:

$\dfrac{AD}{CD}=\dfrac{CD}{DB}$

We have

$AD=14-8=6\\CD=y\\DB=8$

Substitute:

$\dfrac{6}{y}=\dfrac{y}{8}$ <em>cross multiply</em>

$y^2=(6)(8)$

$y^2=48\to y=\sqrt{48}\\\\y=\sqrt{16\cdot3}\\\\y=\sqrt{16}\ cdot\sqrt3\\\\\boxed{y=4\sqrt3}$

For x use the Pythagorean theorem:

$x^2=6^2+(4\sqrt3)^2\\\\x^2=36+48\\\\x^2=84\to x=\sqrt{84}\\\\x=\sqrt{4\cdot21}\\\\x=\sqrt4\cdot\sqrt{21}\\\\\boxed{x=2\sqrt{21}}$

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2 years ago