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MrRa [10]
3 years ago
6

What is the first step in simplifying

Mathematics
1 answer:
seraphim [82]3 years ago
7 0
Distribute the negative b and negative one to he terms in the parentheses
In an expression, if there area brackets, you always have to expand THEN solve it
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A kg of aluminum earns a collector $2.50 at the recycling center. If I collect 14 kg. Of aluminum cans, how much money will I ea
saul85 [17]

Answer:

$ 35

Step-by-step explanation:

\frac{1}{14}  =  \frac{2.5}{x}

x = 14 \times 2.5 \\  \\ x = 35

8 0
3 years ago
Read 2 more answers
in 2010, the price of a laser printer was $1599. in 2018, the price of the same type of printer had dropped to $579. find the pe
uysha [10]

Hi there!

nearest percentage=64%

<em><u>1.Subtract starting value and final value:</u></em>

<em><u /></em>1599-579=1020<em><u /></em>

<em><u>2.Divide it by the starting value:</u></em>

<em><u /></em>1020*1599= 0.6378986866791744840525328330206378986<em><u /></em>

<em><u>3.Multiply the term by 100:</u></em>

<em><u /></em>0.6378986866791744840525328330206378986<em><u>·</u></em>100= 63.78986866791744840525328330206378986<em><u /></em>

<em><u>4.Round the term:</u></em>

<em><u /></em>63.78986866791744840525328330206378986=64<em><u /></em>

Therefore, the decrease of the total 8 years was 64%.

<em><u /></em>

5 0
3 years ago
Read 2 more answers
There are 60 people waiting for a river raft ride. Each raft holds
andrey2020 [161]

If there are 60 people waiting for a river raft ride. Each raft holds

15 people. how Silvia's work can be used to find the number

of rafts needed is: total number of people/Number of people holded by  each raft.

<h3>Number of rafts needed</h3>

Using this formula

There are 136 people waiting for a river raft ride each raft holds 8 people.

Number of rafts needed=Number of people/Capacity of raft

Where:

Number of people = 60

Capacity of raft = 15 people

Let plug in the formula

Number of rafts needed=60/15

Number of rafts needed=4 rafts needed

Therefore if  raft holds 15 people. how Silvia's work can be used to find the number of rafts needed is: total number of people/<em>Number </em>of people holded by  each raft.

Learn more about Number of rafts needed here:brainly.com/question/8361379
#SPJ1

8 0
1 year ago
Help - I don’t understand this
Neko [114]

Answer:

z / 7

Step-by-step explanation:

C = O / H

O = z

H = 7

5 0
3 years ago
when the girls gymnastics team goes to a competition each girl drinks an average of 20 ounces of water per hour. there must be a
Ilya [14]
300 ounces your welcome
5 0
3 years ago
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