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Sergeu [11.5K]
3 years ago
11

atex-formula">
Mathematics
1 answer:
aalyn [17]3 years ago
7 0

Answer:

x^2 = -20

Step-by-step explanation:

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A store is selling a black pair of shoes for $79.45 and a brown pair of shoes for $133.99. the black pair of shoes is marked up
Natalija [7]
Black Shoes:
Price = $79.45
Markup = 44% of 79.45 = 0.44 x 79.45 = $34.96
Price after Markup= $79.45 + $34.96 = $114.41

Brown Shoes:
Price = $133.99
Mark down = 21% of 133.99 = $28.14
Price after Mark down = $133.99 - $28.14 = $105.85

Difference in cost = $114.41 - $105.85 = $8.56

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Answer:  The black pair costs $8.56 more than the brown pair. (Answer B)
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5 0
4 years ago
Read 2 more answers
When graphed, will the line x - 2y = 6 be
kumpel [21]

Answer:

Step-by-step explanation:

Slope of x-2y=6 is ½.

Slope of line through (5,2) and (3,6) = (6-2)/(3-5) = -2

The two slopes are negative reciprocals of each other (i.e., their product is -1), so the two lines are perpendicular.

8 0
3 years ago
Evaluate 6ᵗʷᵒ – (9 ÷ x) when x = 3.​
tia_tia [17]

Answer:

B. 33

Step-by-step explanation:

36 - (9/ 3)

36 - 3

33

7 0
2 years ago
how many different committees can be formed from 11 teachers and 50 students if the committee consists of 3 teachers and 4 stude
Vinvika [58]

37999500 committees can be formed from 11 teachers and 50 students.

<u>Solution: </u>

Using combination formula, \bold{n C_{r}=\frac{n !}{(n-r) ! r !}}

‘n’ represents total number of items and ‘r’ indicates number of item being chosen.

\begin{array}{l}{\text { (3 out of } 11 \text { teachers } \times 4 \text { out of } 50 \text { students })} \\ \\{(\mathrm{n}=11, \mathrm{r}=3) \times(\mathrm{n}=50, \mathrm{r}=4)} \\\\ {11 C_{3} \times 50 C_{4}=\left(\frac{11 !}{3 !(11-3) !}\right) \times\left(\frac{50 !}{4 !(50-4) !}\right)} \\\\ {=\left(\frac{11 !}{3 ! 8 !}\right) \times\left(\frac{50 !}{4 ! 46 !}\right)=165 \times 230300=37999500}\end{array}

7 0
3 years ago
Look at the picture I need your help
dem82 [27]

x = ~29 ft

h = ~34 ft

(explanation in image)

7 0
2 years ago
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