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Rufina [12.5K]
3 years ago
10

Which expressions are equivalent to

Mathematics
2 answers:
melamori03 [73]3 years ago
8 0

Answer:

30

Step-by-step explanation:

andrew-mc [135]3 years ago
3 0

Answer

30

Step-by-step explanation:

the answer is :

90 - 60 = 30

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Do these form a proportion? please help me!!!
mel-nik [20]

Answer:

yes they do

Step-by-step explanation:

both equal 1/3

8/24 = 1/3

5/15 = 1/3

1/3 = 1/3

5 0
3 years ago
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A case of 3 items costs $4.11 at Costco. what is the price of each item?
viva [34]
The price of each item is $1.37.
5 0
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together Charlotte and vinny have 20 marbles. charlotte has 4 times as many as vinny. how many marbles does Charlotte have.
nadya68 [22]

Answer:

5

Step-by-step explanation:

20 divided by 4 is 5

5 0
3 years ago
Helps me pls what is 283x2492÷8(89)=2838(82x) what is x
Andrei [34K]

Answer:

Hey it’s 283

Step-by-step explanation:

3 0
3 years ago
One long-distance company offers a plan such that each minute costs $0.10 and each call has a $0.25 service
gladu [14]

Answer:

<em>y=0.10(t)+0.25 </em>

<em>27 minutes and 30 seconds </em>

Step-by-step explanation:

We know that you start with 25 cents as a service fee, this is for making the call. For each minute you talk, 10 cents are added. Multiply the number of minutes spent by 10 cents a minute for the cost based on the call. Then add the 25 cents service fee.

If you talked for 5 minutes:

y=0.10(5)+0.25

y=0.50+0.25

y=0.75

75 Cents

For three dollars, you would plug in 3 for y

3.00=0.10(t)+0.25

-0.25            -0.25

2.75=0.10(t)

divide both sides by 0.10 to get

27.5=t

You can talk for 27 minutes and 30 seconds

27 minutes

<u>Hope this helps :-)</u>

3 0
3 years ago
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