1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Naddika [18.5K]
3 years ago
6

The ratio of the price of a pair of sneakers to the price of a pair of boots is 15:19. The price of a pair of boots is 570 dolla

rs. If Tina buys 2 pairs of sneakers and a pair of boots, how many dollars should she pay for the shoes?
Mathematics
1 answer:
Genrish500 [490]3 years ago
6 0

Answer:

$1470

Step-by-step explanation:

sneakers : boots

15 : 19


15        cost sneakers

------ =  -------------------

19          570


using cross products

15 * 570 = 19 * sneakers

8550=19 * sneakers

divide by 19

8550/19 = sneakers

sneakers = 450

total cost = 2* sneakers + boot

total cost = 2 * 450 + 570

total cost = 900 + 570

total cost = 1470


You might be interested in
Solve for x and graph the solution on the number line<br> 15 &gt; 2x – 9 &gt; -23
Monica [59]

The answer is 12>x>-7

Step-by-step explanation:

it's first divided into 2 parts

1 . 15 > 2x - 9

2. 2x - 9 > -23

Then solve them individually.

let's do it,

<u>First half</u>

15 > 2x - 9

15+9 > 2x

24 > 2x

24/2 > x

12>x

<u>Second half</u>

2x-9>-23

2x>-23+9

2x>-14

x>-14/2

x>-7

<u>Joining of the two halves</u>

We have :

12>x>-7

8 0
3 years ago
The surface area, S, of a sphere of radius r feet is S = S(r) = 4πr^2. Find the instantaneous rate of change of the surface area
8090 [49]
Instantaneous rate of change = S'(r) = 8πr
S'(8) = 8π(8) = 64π

Therefore, the instantaneoud rate of change of the <span>surface area with respect to the radius r at r = 8</span>  is 64π
7 0
3 years ago
The passing yards for the top 5 quarterbacks in the country are 3,832, 3,779, 3,655, 3,642, and 3,579. Find the variance and sta
Leviafan [203]

First get the average passing yards:

(3,832 + 3,779 + 3,655 + 3,642 + 3,579) / 5 = 3,697.4

Now get the squared residuals for each quarterback's passing yards. That is, compute the difference between each data and the average, then square the result. For example,

(3,832 - 3,697.4)^2 = 134.6^2 = 18,117.2

For the others, you should get squared residuals of

6,658.56

1,797.76

3,069.16

14,018.6

Take the sum of the squared residuals, then - since this is a sample, and not a population of all quarterbacks - divide the sum by 5 - 1 = 4 to get the variance:

(18,117.2 + 6,658.56 + 1,797.76 + 3,069.16 + 14,018.6)/4 = 10,915.3

The standard deviation is just the square root of the variance:

√(10,915.3) ≈ 104.48

5 0
3 years ago
Read 2 more answers
If u see this forget it, I typed it in the wrong spot
Arte-miy333 [17]
Ok then um so ya ok thx for the points though
4 0
3 years ago
51 time 37 divided by 1 equals to what really need help failing
gizmo_the_mogwai [7]

Answer:

(51*31)/1 = 1581

Step-by-step explanation:

4 0
2 years ago
Other questions:
  • What is the value of x?
    5·1 answer
  • You have 3 online accounts in three different banks valued at: bank "A" = $250.67, 12% interest, bank "B" $765.13, 7% interest,
    5·1 answer
  • What would be the opposite definition of a circle ?? Helpp
    12·1 answer
  • Find the 100th term in the number pattern described by "Start at 13 and add 2 each time."
    12·2 answers
  • A rectangular tank of 12 m long, 11 m wide and 13 m deep held
    12·1 answer
  • Paloma is buying bottles of bubbles for a group of children. Each bottle of bubbles costs $2.00. After the cost of a number of b
    14·2 answers
  • Its a riddle I am a number between 60 and 100 my ones digit is 2 less then my tens digit i am a prime number
    14·1 answer
  • A(-3, 4) Translate the triangle. Then enter the new coordinates. A'([?], [?] B'([1,01) C'([],[) B(0, 1) C(-4,1) &lt; 6,-4&gt;
    12·1 answer
  • Mr. Washington purchased three cell phones. Each cell phone cost one hundred fifty dollars. What is the total she paid for the c
    13·1 answer
  • 4x= - 14 - 6y<br> - 5x - 6y= 22
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!