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photoshop1234 [79]
3 years ago
5

A department store sells a pair of shoes with an 87% markup. If the store sells the shoes for $193.21 then what is their non-mar

kup price?
Mathematics
1 answer:
Nadusha1986 [10]3 years ago
6 0
.....................
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Simplify:<br> −z3+5k6−(−z3+10k6)
natta225 [31]

Answer:

The answer to your question is        -5k⁶

Step-by-step explanation:

Polynomial

                                      - z³  + 5k⁶  - (-z³ + 10k⁶)

Use law of signs for the parenthesis

                                     - z³  + 5k⁶ + z³  - 10k⁶

Use associative property for like terms

                                    (-z³ + z³) + (5k⁶ - 10k⁶)

Simplify like terms

                                    (0)  +   (-5k⁶)

Result

                                               -5k⁶

7 0
3 years ago
Read 2 more answers
How to find variables of these #2 &amp; #3
Lubov Fominskaja [6]
So... hmmm if you check the first picture below, for 2)

we could use the proportions of those small, medium and large similar triangles  like  \bf \cfrac{small}{large}\qquad \cfrac{x}{12}=\cfrac{6}{x}\impliedby \textit{solve for "x"}&#10;\\\\\\&#10;\cfrac{small}{large}\qquad \cfrac{z}{18}=\cfrac{6}{z}\impliedby \textit{solve for "z"}&#10;\\\\\\&#10;\cfrac{large}{medium}\qquad \cfrac{y}{12}=\cfrac{18}{y}\impliedby \textit{solve for "y"}

now.. for 3) will be the second picture below


\bf \cfrac{large}{medium}\qquad \cfrac{x+10}{2\sqrt{30}}=\cfrac{2\sqrt{30}}{10}\impliedby \textit{solve for "x"}&#10;\\\\\\&#10;\textit{now, because you already know what "x" is, we can use it below}&#10;\\\\\\&#10;\cfrac{large}{small}\qquad \cfrac{z}{x}=\cfrac{x+10}{z}\impliedby \textit{solve for "z"}&#10;\\\\\\&#10;\textit{and let us use "x" again below}&#10;\\\\\\&#10;\cfrac{small}{medium}\qquad \cfrac{y}{10}=\cfrac{x}{y}\impliedby \textit{solve for "y"}

8 0
3 years ago
Which is the least expensive per oz? 12 oz for $5.28 or 18 oz for $7.96. round to the nearest cent?
blondinia [14]
5.28 / 12 = 0.44 per oz
7.96 / 18 = 0.4422 rounds to 0.44 per oz

technically, by rounding to the nearest cent, they are the same cost.
6 0
3 years ago
Read 2 more answers
Find the volume of a cylinder with height 6.3 m and diameter 4 m. Use pi = 3.14
telo118 [61]

volume \: of \: cylinder \:  = \pi  {r}^{2} h
diameter = 4m
radius = 4/2
= 2m

volume = (3.14)(2^2)(6.3)
= 79.128m^3
4 0
3 years ago
A 12-foot ladder is leaning across a fence and is touching a higher wall located 3 feet behind the fence. The ladder makes an an
Svetllana [295]

Answer:

3 feet

Step-by-step explanation:

A 12-foot ladder is leaning across a fence and is touching a higher wall located 3 feet behind the fence. The ladder makes an angle of 60 degrees with the ground.

 ladder is 12 foot

The ladder makes an angle of 60 degrees with the ground.

It form a right angle triangle . ladder is the hypotenuse

cos(60)=\frac{x}{12}

0.5= \frac{x}{12}

multiply 12 on both sides

x= 6

the distance from the base of the ladder to the bottom of the fence

x-3 = 6-3=3 feet

7 0
3 years ago
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