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mart [117]
3 years ago
12

Does it matter what interval you use when you find the rate of change of a proportional relationship

Mathematics
1 answer:
murzikaleks [220]3 years ago
8 0
Maybe but it doesn't matter
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An assembly line produces 20 items per hour . If the line runs 24 hours per day, 7days week ,how many items are made by this mac
Leya [2.2K]

All you do is do 20 x 24 x 30. You get 600 X 24 which is 14,400, or C.





3 0
3 years ago
Please answer I will make brainlest:)
Georgia [21]

Answer:

(3,-4)

Step-by-step explanation:

7 0
3 years ago
A building is 5 feet tall. the base of the ladder is 8 feet from the building. how tall must a ladder be to reach the top of the
iris [78.8K]

The ladder must be 9.4 ft to reach the top of the building

Here, we want to get the length of the ladder that will reach the top of the building

Firstly, we need a diagrammatic representation

We have this as;

As we can see, we have a right triangle with the hypotenuse being the length of the ladder

We simply will make use of Pythagoras' theorem which states that the square of the hypotenuse is equal to the sum of the squares of the two other sides

Thus, we have;

\begin{gathered} x^2=5^2+8^2 \\ x^2=\text{ 25 + 64} \\ x^2\text{ = 89} \\ x=\text{ }\sqrt[]{89} \\ x\text{ = 9.4 ft} \end{gathered}

5 0
1 year ago
If y=15 when x=3/4, find x when y =25. Show work please!
-BARSIC- [3]

Set up a proportion: x/y = x/y

(.75)/(15) = (x)/(25)

Then cross multiply:

(.75)(25) = (15)(x)

18.75 = 15x

x = 1.25 or (5/4)

There you go :)

6 0
3 years ago
Jerry is saving his money. He started with $15.00. If he adds $10.00 to his savings
posledela

Answer:

$40

Step-by-step explanation:

use y = mx + b  

y = amount saved = ?

m = amount saved per week = $10

x = time (in  months) saving = 2.5

b = money jerry started with = $15

plug in:

y = (10)(2.5)+15

y = $40

6 0
3 years ago
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