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igomit [66]
3 years ago
6

What is the constant of proportionality in this proportional relationship?

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
5 0

Answer:

Sorry, I'm late but it's \frac{5}{12} Hope this helps :D

Step-by-step explanation:

I took the test

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3. The total cost for 9 bracelets, including shipping was $72. The shipping charge was $9. Define your variable and write an equ
ikadub [295]

Answer:

The equation that models the cost of each bracelet is 72=9x+9. Cost of each bracelet is $7.

Step-by-step explanation:

Let the cost of each bracelet is defined by the variable x.

Cost of 9 bracelet is 9x. The shipping cost is $9. Therefore the total cost of 9 bracelets, including shipping is

\text{Total Cost}=9x+9

The total cost for 9 bracelets, including shipping is $72.

72=9x+9

Subtract 9 from both sides

72-9=9x+9-9

63=9x

Divide both sides by 9.

7=x

Therefore the cost of each bracelet without shipping changes is $7.

8 0
3 years ago
Solve the proportion.
zmey [24]
Problem

 8 over 3

g over 3

Cross multiply
 

8 × 3 = 24

g × 3 = 3g
__________

24 × 3g 
---     ----
  3       3
                        (Cross out "3g" and "3" on the right )

Then "divide" 24 and 3. It should leave you with 8

Your answer: g= 8
7 0
3 years ago
Question 2 (Essay Worth 10 points)
Soloha48 [4]

Answer:

Account A: Decreasing at 8 % per year

Account B: Decreasing at 10.00 % per year

Account B shows the greater percentage change

Step-by-step explanation:

Part A: Percent change from exponential formula

f(x) = 9628(0.92)ˣ

The general formula for an exponential function is

y = ab^x, where

b = the base of the exponential function.

if b < 1, we have an exponential decay function.

ƒ(x) decreases as x increases.

Account A is decreasing each year.

We can rewrite the formula for an exponential decay function as:

y = a(1 – b)ˣ, where

1 – b = the decay factor

b = the percent change in decimal form

If we compare the two formulas, we find

0.92 = 1 - b

b = 1 - 0.92 = 0.08 = 8 %

The account is decreasing at an annual rate of 8 %.The account is decreasing at an annual rate of 10.00 %.

Account B recorded a greater percentage change in the amount of money over the previous year.

5 0
2 years ago
Help, please. I dont really understand
Ivenika [448]

Answer:

We can eliminate the second and third options because marking something up doesn't result in a number less than the original. Since we are told to select 3 options and there are 3 answer choices left we select the first, fourth, and fifth statements.

5 0
3 years ago
What is the area of each triangle 24 ft 20 ft
arsen [322]

ANSWER

Area of triangle = b*h/2

24*20/2

24*10

The area of this triangle is 240 ft squared

Hope it helps :)

3 0
3 years ago
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