2 years ago

Why do you think rates are usually written as unit rates

1 answer:

5 0

Answer: A rate is a ratio of two quantities: miles per hour, calories per cookie, dollars per person, ... a unit rate just specifies the units (miles, hours) of the two quantities.

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Jodie made a New Year's resolution to learn how to play the violin. She bought an

stealth61 [152]

Answer:

$30

Step-by-step explanation:

If x is the cost of a lesson, the total cost of Jodie's purchase is ...

cost of lessons + rental cost = total cost

12x + 25 = 385

12x = 360 . . . . . . . subtract 25

x = 30 . . . . . . . . . . divide by 12

Each violin lesson costs $30.

6 0

2 years ago

For a test! please help asap

Delvig [45]

Answer:

8/9

Step-by-step explanation:

$3 {}^{x} - 3 {}^{x - 2}$

$3 {}^{x} - \frac{3 {}^{x} }{ {3}^{2} }$

$3 {}^{x} (1 - \frac{1}{9} )$

$3 {}^{x} ( \frac{8}{9} )$

A=8/9

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2 years ago

Can someone pls answer them all?

nirvana33 [79]

If you multiply by 24 you should get $864

3 0

2 years ago

Read 2 more answers

Is all the answer correct if not plz write the number and correct answer with work thank you and asap

Cerrena [4.2K]

They are all correct

5 0

3 years ago

Read 2 more answers

Two angles o a triangle each measure 70 degrees what is the measurement of the third angle in degrees

hjlf

The 3 angles of a triangle, when added, = 180 degrees

so if 2 of them are 70.....70 + 70 = 140
then the 3rd will be 180 - 140 = 40 degrees <==

7 0

3 years ago