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notsponge [240]
3 years ago
13

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

by 44%, and the brown pair of shoes is marked down by 21%. which pair of shoes is more expensive, and how much more expensive is it? round all dollar values to the nearest cent.
Mathematics
2 answers:
borishaifa [10]3 years ago
6 0

Answer:

Its B on edge

Step-by-step explanation:

Aleks [24]3 years ago
5 0

let:
price after markup black shoes = x
price after markdown brown shoes=y
where
a black  pair of shoe price= $79.45
a brown pair of shoe price =133.99
solve for x and y
x= $79.45 x(1+0.44)
x=114.41
y=$133.99(1-0.21)
y=$105.85
The black pair of shoes is more expensive than the brown pair of shoes.
difference= x-y
difference=$114.41-$105.85
difference =$8.56
The black pair of shoes is expensive by $8.56.  


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Find the volume of a pyramid with a square base, where the area of the base is
babunello [35]

Step-by-step explanation:

area= 11.1cm2

volume= 11.1×15.3

=169.83cm3

=170

7 0
3 years ago
A girl studied for 5 2/3 hours daily. She devotes 2 4/2 hours of her time for science and mathematics. How much time does she de
enot [183]

Given :

Number of hours studied daily , T=5\dfrac{2}{3} .

Time given for science and mathematics is , t=2\dfrac{4}{2} .

To Find :

How much time does she devote for other subjects .

Solution :

Let , time devote for other student is x .

So , Time left for other subject = Total time - Time taken by science and mathematics .

x=T-t\\\\x=5\dfrac{2}{3}-2\dfrac{4}{2}\\\\x=\dfrac{(5\times 3)+2}{3}- \dfrac{(2\times 2 )+4}{2}\\\\x=\dfrac{17}{3}-4\\\\x=\dfrac{17-(4\times 3)}{3}\\\\x=\dfrac{5}{3}=1\dfrac{2}{3}

Therefore , time devote for other subject is 1\dfrac{2}{3} hours .

Hence , this is the required solution .

8 0
4 years ago
How to solve this? Please help!
marta [7]
SinA=8/17, so arcsin(8/17) is your angle of A (around 49 degrees). 90-A is your angle for B
7 0
3 years ago
PLEASE HELP ASAP!!!!!!!!
Ne4ueva [31]

Answer:

The first 5 terms are;

-2, 2, 13,38 and 91

Step-by-step explanation:

Here, we want to write the first 5 terms of the sequence.

We already have the first term as 1

Now, we need the 2nd term

Putting two in place of n, we have ;

2f(1) + 3n

= 2(-2) + 3(2) = -4 + 6 = 2

For the 3rd term, put 3 in place of n

2f(2) + 3(3)

sine f(2) = 2, we have

2(2) + 9 = 4+ 9 = 13

For the fourth term, put 4 in place of n, we have

2f(3) + 3(4)

since f(3) = 13

we have; 2(13) + 12 = 26 + 12 = 38

For the 5th term, put 5 in place of n, we have

2f(4) + 3(5)

since f(4) = 38, we have

2(38) + 15 = 76 + 15 = 91

6 0
3 years ago
In △ABC, AB = 13, AC = 20, BC = 21. Find the length of the altitude AD
nika2105 [10]

The length of the altitude AD is 12 units.

<h3>How to find the height of a triangle?</h3>

The height of the triangle can be found as follows:

We have to find an angle using cosine law before  we can find the height.

Therefore,

20² = 13² + 21² - 2 × 21 × 13 cos B

400 = 169 + 441  - 546 cos B

400 - 610 = - 546 cos B

-210 = - 546 cos B

cos B = -210 / -546

cos B = 0.38461538461

B = cos⁻¹ 0.38461538461

B = 67.3810899783

B = 67.38°

Hence,

sin 67.38° = opposite / hypotenuse

sin 67.38° = AD / 13

cross multiply

AD = 13 sin 67.38°

AD = 11.9999882145

AD = 12 units

learn more on triangle here: brainly.com/question/13387814

#SPJ1

6 0
2 years ago
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