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LenaWriter [7]
3 years ago
13

Which properties justify the steps taken to solve the system? {2+7b=0

Mathematics
1 answer:
ser-zykov [4K]3 years ago
6 0

1. x -3 = -34 will be the correct answer for 1

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You want to put 2500 in a simple interest account it has a 4 % annual interest rate how long will it take you to earn $200 in in
Alex787 [66]

Answer:

2 years

Step-by-step explanation:

Let Principal = 2500

Let Rate = 4%

Let time = x

Simple Interest = Principal x time x rate

200 = 2500 x 4/100 x 'x'

200 = 100x

200/100 = x

2 = x

Brainliest?

7 0
3 years ago
Find the value of x that makes m|n.<br> m<br> (6x + 10)<br> (2x + 26)<br> The value of x is ?
olga nikolaevna [1]

Answer:

x is 9

Step-by-step explanation:

6x+10=2x+26

-2x          -2x

4x+10=26

   +10  +10

4x=36

---   ---

4    4

x=9

8 0
3 years ago
A salesperson receives a 3% commission on sales. The salesperson receives $180 in commission. What is the amount of sales?
zvonat [6]
The percent equation is: a/w = p/100 3% 

i am not sure what to substitite for a or w 
Sorry but hopes this gives a hint
<span>
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4 0
4 years ago
Read 2 more answers
A circular running track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour.What is Elena’s runn
aniked [119]

Answer:

Step-by-step explanation:

Answer:

Elena's running speed is 5 miles/hour

Explanation:

The speed is defined as the covered distance per unit time

In the problem, we have:

The distance covered is the length (circumference) of the circular track which is given as  of a mile.

We are also given that she completes each lap (she completes  of a mile) in  of an hour

To get her speed, we will divide the distance covered by the time taken to cover this distance

This is done as follows:

speed =  miles/hour

This means that:

Elena can run 5 miles each hour

Hope this helps :)

3 0
3 years ago
PLEASE HELP ASAP! FINDING SLOPE!
matrenka [14]
The answer is - 3/4

your welcome 

3 0
4 years ago
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